Identified
Stormwater Management Problems |
Entity |
Current
Programs or Regulations |
*Jurisdictional/Staff
Assessment |
Strategy to
Meet Goals |
Goals Addressed |
Responsible
Party |
I. Flooding Related
Issues |
|
|
|
|
|
|
a. Development in or
near FEMA floodplain |
University |
The
Stormwater Master Plan ensures all development complies with floodplain
regulations. |
Adequate |
To
adhere to the requirments of the Stormwater Master Plan. |
Goal
3, 4 and 5 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
RCD
Ordinance - No building within the
floodway and 2 feet higher than the regulatory floodplain elevation unless
meets permitted uses or no-rise conditions. National Flood Insurance Program
participant. Out-dated maps need replacement. |
(Revised Development Ordinance provisions
slated to re-define RCD “buffer zones” and permitted uses. Town to coordinate
with FEMA and partner (CTP) with Town of Carrboro. |
Utilize
Development Ordinance revisions for RCD revisions and utilize new digital
flood maps for development and mitigation activities. |
Goal
2, 3 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-254 No building within the floodway and no building
within the floodplain unless deprived of all uses of the property. |
Adequate |
Continue
with existing regulation |
Goal
3 and 5 |
Town
of Carrboro |
|
Orange
County |
In
State-classified protected watersheds no development is allowed within
floodplains or within a stream buffer which is fifty feet minimum measured
from the FEMA boundary. Outside of
the 12 mile radius line, there are currently no mandated stream buffers;
however a text amendment is before the BOCC to mandate a minimum 50 ft.
stream buffer measured from the bank on each side of perennial and
intermittent streams anywhere within the County. |
Adequate |
Continue
enforcing current regulations |
|
Orange
County |
b. Development near
intermittent streams or tributaries. This is in anticipation of future Cape
Fear Basin Buffer rules established by the
NC Environmental Management Commission. |
University |
Continue
to comply with RCD regulations |
Adequate |
Follow
existing policy |
Goal
1, 2, and 5 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
RCD
Ordinance – Intermittent streams not addressed |
Intermittent streams should be identified
and regulated with minimum buffer widths |
Develop
Policy and Regulation |
Goal
2,3 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-269 Requires a 60 foot buffer from the centerline of the
intermittent stream (w/o a FEMA flood hazard area, and drains less than 640
acres but more than 50 acres) |
Adequate |
Continue
with existing regulation |
Goal
2,3 and 5 |
Town
of Carrboro |
|
Orange
County |
In
State-classified protected watersheds no development is allowed within
floodplains or within a stream buffer which is fifty feet minimum measured
from the FEMA boundary. Outside of
the 12 mile radius line, there are currently no mandated stream buffers;
however a text amendment is before the BOCC to mandate a minimum 50 ft.
stream buffer measured from the bank on each side of perennial and
intermittent streams anywhere within the County. |
Adequate |
Continue
enforcing current regulations |
|
Orange
County |
c. Nuisance flooding |
University |
Development
is being designed to ensure the rate of runoff , the total volume of runoff
and quality not be negatively impacted.
Nuisance flooding issues resulting from prior development will be
addressed in the stormwater master plan. |
In
Implementaion Phase Just beginning but will be adequate when program is
implemented. |
Implement
creative solutions such as porous pavement, green roofs, etc. |
Goal
2, 3, 4, 5, 7 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
Drainage
Assistance Program/CIP- Assists private property owners
with 50/50 cost-share drainage assistance projects and provides for limited
public right-of-way maintenance. |
Very limited program currently.
|
Provide
more comprehensive programs through funding and prioritization. |
Goal
2,3 and 5 |
Town
of Chapel Hill |
|
Chapel
Hill |
Citizen Assistance Services - Provides
technical assistance to citizens and staff covering drainage, maintenance,
etc. |
Citizen
complaint/concern response effeciency is low. Assistance typically limited to
technical assistance. |
Provide more comprehensive programs through
funding and prioritization. |
Goal
2,3 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-269 Requires a 30 foot buffer from the centerline of
minor intermittent streams (drains less than 50 acres) plus a storm water
management plan is required of all developments
Section 15-263 |
Adequate |
Continue
with existing regulation |
Goal
2,3 and 5 |
Town
of Carrboro |
|
Orange
County |
Currently cooperating with FEMA to identify
and "remap" areas of concern |
Adequate |
Continue
with existing practice |
Goal 2,3,and 5 |
Orange
County |
d. Inadequate drainage
infrastructure (old, ill-maintained systems. |
University |
Addressed
on an as needed basis. Specific needs
will be addressed in the stormwater master plan. |
Drainage system inventory needed |
Correct
drainage problems as needed. Map
infrastructure in GIS. |
Goal 1,2 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
The
public drainage system maintenance is primarily limited to existing
rights-of-way. Inadequate systems are
generally addressed on an ad-hoc basis with maintenance or capital
improvements. Funding is primarily through bonding and general revenue. |
The public and private drainage system
inventory is currently being conducted. It is revealing the need for
additional maintenance and improvements throughout Town on both public and
private locations. |
Improve
planning, prioritization, funding and staff resources for the Capital
Improvements and drainage maintenance programs on both public and private
properties. Improvements on private property would remain in private
easement. |
Goal
1,3,4 |
Town
of Chapel Hill |
|
Carrboro |
The
public drainage system is primarily limited to existing rights-of-way. Inadequate systems are generally addressed
on an as need basis. |
Under
Assessment. A drainage system inventory is currently being conducted |
Modify Capital Improvements Program to
address deficiencies |
Goal
1and 2 |
Town
Engineer |
|
Orange
County |
Orange
County does not have a storm drainage system and does not anticipate
installing one. |
Adequate |
Keep
impervious surface to a minimum |
Goals 2,3,4,5,6 (Neuse only) |
Orange
County |
e. Increased discharges off of developed sites not previously
regulated. |
University |
A
stormwater master plan for all watersheds and sub-basins on main campus is
being developed. This plan will
address runoff volume, rate and quality issues from new construction and will
mitigate many of the problems from past construction. |
In
implementation phase. Just beginning but will be adequate when program is
implemented. |
Implement
creative solutions such as porous pavement, green roofs, etc. |
Goals 2,3,4,5,7 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
All
commercial and industrial developments must provide detention for the 25-yr.
storm event. |
Post-development runoff controls not
required for single-family development and overall release rate criteria
needs review. |
Address
in Development Ordinance stormwater management revisions |
Goal
1,2,3,4 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-263 All developments shall be constructed and maintained
so that they do not cause stormwater related damage to upstream or down
stream properties. |
Adequate |
Continue
with existing regulation |
Goal
2,3 and 5 |
Town
of Carrboro |
|
Orange
County |
Impervious
surface is limited to the maximum impervious under the ordinance. That is no expansion of impervious surface
if the current exceeds the maximum |
Adequate |
Continue
with existing regulation |
Goal
2,3, 5 & 6 (Neuse only) |
Orange
County |
II. Water Quality Issues |
|
|
|
|
|
|
a. Lack of stream data |
University |
Benthic
and fish studies conducted in Meeting of the Waters and Battle Branch Summer
2001 and every 6 months thereafter.
Wet weather samples twice a year.
Dry weather samples twice a year.
Hourly chemical monitoring and flow gauging on Meeting of the Waters. |
Adequate |
Exceeds
Federal and State mandates.
Additional sampling may be conducted for specific illicit discharge
detection. |
Goals
1,2 5, and 7 |
UNC-CH
Environment, Health & Safety |
|
Chapel
Hill |
Ambient
sampling since 1993. Ad-hoc benthic studies. One USGS funded gauge on Morgan
Creek & one on Battle Branch. |
Limited ambient data interpretation and
follow-up. Comprehensive benthic program recommended for TMDL’s and intensive
surveys program needed for NPDES Phase 2 mandated illicit discharge
identification and elimination program. Precipitation and stream gauges
recommended. |
Needs
expanding for illicit discharge enforcement and TMDL’s monitoring. |
Goal
1,2,5 and 7 |
Town
of Chapel Hill |
|
Carrboro |
4
benthic studies during FY 00-01 with 1 per year thereafter along Bolin Creek,
2 grab samples per month-Toms Creek and Bolin Creek (Since 8/94) |
Adequate
but remote water quality sampling would be ideal, benthic studies along
Morgan Creek may be beneficial. |
Exceeds
Federal and State mandates but may need expanding for illicit discharge
enforcement |
Goal
1,2,5 and 7 |
Town
of Carrboro |
|
Orange
County |
Orange
County does not have a stream monitoring program now. The Neuse River Basin rules will require
formulation of a monitoring program for TSS and nitrogen. |
Will need new monitoring program to meet
Neuse River Basin rules. |
Formulate
new monitoring program to meet Neuse River Basin rules. |
Goal
1,2 5, and 7 |
Orange
County |
b. Lack of precipitation
data |
University |
A
rain gauge was recently installed on UNC-CH property. |
Adequate |
Meets
requirements |
Goal 3, 4, and 7 |
UNC-CH
Environment, Health & Safety |
|
Chapel
Hill |
The
Town uses rain gauge data provided upon request by OWASA, Horrace Williams
Airport and RDU. |
Each gauge provides limited information.
Additional continuous output gauges throughout area would be beneficial for
flooding analysis'. |
Additional
gauging is necessary for accurate modeling and precipitation, discharge and
pollutant information. Very useful for public education. |
Goal
3, 4, 6 and 7 |
Town
of Chapel Hill |
|
Carrboro |
The
Town uses rain gauge data provided upon request by OWASA. |
Adequate
but additional remote gauges throughout would be desirable |
Meets
Requirements |
Goal
3,4 and 7 |
Town
of Carrboro |
|
Orange
County |
The
Planning Department is not aware of any precipitation data gathered. |
Can
start requiring rain gauges on construction sites |
|
Goal
3, 4, and 7 |
Orange
County |
c. Not considering
development from a regional perspective. |
University |
A
stormwater master plan for all watersheds and sub-basins on main campus is
being developed. This plan will
address runoff from new construction and will mitigate many of the problems
from past construction. |
IN
IMPLEMENTATION PHASE Just beginning but will be adequate when program is
implemented. |
Will
meet NPDES requirements |
Goal
3, 4, and 7 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
Revised
digital flood study underway by NCDEM, with Carrboro/Chapel Hill in the FEMA
Cooperative Technical Partnership. |
ADEQUATE
In meeting minimum NFIP standards, improvements necessary for proposed
programs |
Meets basic federal and
state requirements. |
Goal
1,3,4, 6 and 7 |
Town
of Carrboro, Chapel Hill, NCDEM, FEMA and others |
|
Carrboro |
Build
out Hydros model of upper Bolin Creek completed with assistance from Chapel
Hill in 1992, flood plain study underway, with Chapel Hill in the FEMA
Cooperative Jurisdiction Program. |
Adequate |
Meets
basic NPDES requirements unless joint applications for NPDES Permits are
mandated |
Goal
3,4 and 7 |
Town
of Carrboro, Chapel Hill, FEMA and others |
|
Orange
County |
University
lake Watershed limited to a maximum of 6% impervious surface. Non
watershed,(Rural buffer) no restrictions |
Adequate |
Meets basic federal and
state requirements. |
Goal
3 & 5 |
Orange
County |
d. Sedimentation |
University |
Sedimentation
issues are enforced by the NCDENR. |
Adequate |
Meets
NPDES requirements |
Goal
2 and 5 |
NCDENR |
|
Chapel
Hill |
Town
Erosion Control Ordinance provides for the permitting and enforcement of the
Ordinance by the Orange Co. Soil and Erosion Control Officer. |
Adequate
to the extent that inspection and enforcement activities remain to be
effective. |
Meets
Town Ordinance & NPDES Phase 2 requirements. |
Goal
1, 2, 4, 5 and 6 |
Town
of Chapel Hill & Orange Co. Erosion Control |
|
Carrboro |
Section
15-264 provides for the enforcement of the Orange County
Soil and Erosion Control Ordinance by the Orange Co. Soil and Erosion Control
Officer. |
Adequate |
Meets
NPDES requirements |
Goal
2 and 5 |
Orange
Co. Erosion Control |
|
Orange
County |
All
sites greater than 20,000 sq. ft must apply for permit. Sites greater than 10,000 sq. ft within
the University Lake protected watershed must apply for permit. Any site causing off-site sedimentation,
or that has the potential for causing off-site sedimentation may be covered
under program. |
Adequate.
Does not need enhancement |
Meets NPDES requirements |
Goal
1, 2, 4, 5 and 7 (plus goal 6 in Neuse basin) |
Hillsborough,
Mebane, Carrboro and Chapel Hill are all included in this program at this
time |
e. TMDL listed streams (State list) |
University |
Listed streams are
within UNC-CH jurisdiction. |
No monitoring of sediment loads has been
done. |
Monitor
sediment loads and reduce sedimentation into campus streams by practicing
better erosion control practices. |
Goals
1, 2, and 5 |
UNC-CH
Facility Planning & Construction, UNC-CH Environment, Health &
Safety, NCDENR |
|
Chapel
Hill |
Several
stream reaches in Chapel Hill are on list. |
Watershed/stream
assesments required with the intent to programmatically have the streams
removed from the EPA 303(d) list. |
Monitor
stream health (see Section II. A above). |
Goal
1, 2 and 5 |
NCDWQ,
Town of Chapel Hill and Orange Co. Erosion Control |
|
Carrboro |
No
303(d) list streams are within Carrboro’s jurisdiction (except for about 800
feet of Morgan Creek below Smith Level Road) |
Adequate
with monitoring of sediment loads below Smith Level Road. |
Continue
to monitor sediment loads and sedimentation and erosion control devices |
Goal
1, 2 and 5 |
Town
of Carrboro and Orange Co. Erosion Control |
|
Orange
County |
If
listed stream is in a protected watershed the stream buffer requirements
stated above apply. |
No Position |
|
Goal
1,2,and 5 |
Orange
County |
f. Biological impairment
/ loss of diversity |
University |
Benthic
studies are conducted on Meeting of the Waters and Battle Branch |
Adequate |
Use
data to indentify water quality problems and to guide solutions. |
Goal
1,2 and 5 |
UNC-CH
Environment Health & Safety |
|
Chapel
Hill |
See
Section II. A. above |
Limited
benthic analysis with new initiatives underway. |
Comprehensive
benthic program under planning stage. |
Goal
1,2 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Benthic
studies (3) are conducted along Bolin Creek to monitor the biological
diversity of the creek. |
Consider
expanding benthic studies on Morgan Creek |
Test
results are used to define problems and for the design of possible solutions |
Goal
1,2 and 5 |
Town
of Carrboro |
|
Orange
County |
No Position |
No Position |
No Position |
Goal
1,2 and 5 |
Orange
County |
g. Loss of stream buffers |
University |
Continue
to comply with RCD regulations |
Adequate |
Follow
existing policy |
Goal
1, 2, and 5 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
RCD
Ordinance allows permitted uses in buffer of perinneal streams. |
Permitted
uses should be revised. Intermittent streams program should be developed. |
Address
in Development Ordinance revisions |
Goal
1,2 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-269 (d) requires buffer to be replaced or the establishment of vegetation
if needed. |
Adequate |
Continue
with existing policy |
Goal
1,2 and 5 |
Town
of Carrboro |
|
Orange
County |
Buffers
required within protected watersheds that extend outward from edge of
floodplain based on slope calculations.
Subdividions outside protected watersheds and the Neuse River Basin do
not have buffer requirements at this time. A text amendment is under
consideration by the BOCC that will set minimum stream buffers for areas not
in a protected watershed. |
BOCC
reviewing. Goals are met within protected watersheds and the Neuse River
Basin. |
Changes
to ordinance to include all areas of Orange Count have been proposed, but not
adopted. |
Goal
1,2 and 5 |
Orange
County |
h. Increasing impervious
surfaces resulting in more runoff and pollution |
University |
A
stormwater master plan for all watersheds and sub-basins on main campus is
being developed. This plan will
address runoff volume, rate and quality issues from new construction and will
mitigate many of the problems from past construction. Construction will comply with the
requirements of the OI-4 Zoning and approved Development Plan. |
In
implementation phase. Just beginning but will be adequate when program is
implemented. |
Implement
creative solutions such as porous pavement, green roofs, etc. |
Goal
2, 3, 4, 5, 7 |
UNC-CH
Facilities Planning & Construction |
|
Chapel
Hill |
Jordan
Lake Watershed Protection District is limited to 24% (low density option) or
50% (high density option); other areas are not based on impervious surface
determinations. |
Town-wide
impervious surface restrictions should be considered. Release rate criteria
for all development should be considered. |
Address
in Development Ordinance revisions |
Goal
1,2 and 5 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-266 limits impervious surface in the University Lake Watershed to 4%
residential and 6% commercial (24% w/BMP’s); Jordan Lake Watershed Protection
Area is limited to 24% (36% with swales); all areas subject to a storm water
management plan that limits impervious surfaces in accordance with ability to
manage stormwater. |
Adequate |
Continue
with existing policy |
Goal
1,2 and 5 |
Town
of Carrboro |
|
Orange
County |
Highly
restricted impervious surface limits within protected watersheds, and
critical areas, as well as requirments for infiltration of first inch of
stormwater runoff |
Program
Development needed |
Changes
to ordinance to make program more easily understandable; additional
cooperation needed between staff members to ensure all plans are compliant |
Goal
1,2 and 5 |
Orange
County |
I. NPDES Phase II
permitting requirements |
University |
Public
education, illicit discharge detection, post-construction runoff control, and
pollution prevention / goodhousekeeping programs on-going. |
Work
with other governments on educantion and sharing of information. |
Work
with other units of government on education and sharing of information. |
Goal
1 and 7 |
UNC-CH
Facility Services and UNC-CH Environment, Health & Safety |
|
Chapel
Hill |
Currently
performing portions of permit application standards such as inventory, public
education and illicit discharges. |
Planning
and permit development required. Many aspects of permit currently underway
locally. |
Work
with other governmental units on education and illicit discharge components. |
Goal
1, 6 and 7 |
Town
of Chapel Hill and neighboring units of government. |
|
Carrboro |
Permit
Application in progress with inventory and housekeeping components being
developed |
Need
to complete inventory, illicit discharge, house keeping and education program
components |
Work
with other governmental units on education and illicit discharge components. |
Goal
1 and 7 |
Town
of Carrboro and neighboring units of government. |
|
Orange
County |
Public
education, illicit discharge detection, post-construction runoff control, and
pollution prevention / goodhousekeeping programs on-going in Neuse. Working
with Hillsborough to enforce in their ETJ.
|
Need
additional Staff resources |
Public
education component contracted through triangle j council of governments.
Request Hillsborough address Illegal discharge component |
Goal
1 and 7 |
Orange
County |
j. Lack of equity
between existing and new development |
University |
Stormwater
master plan does address this issue |
In
implementation phase. Just beginning but will be adequate. |
Implement
stormwater master plan |
Goal
1, 2, 3 |
UNC-CH
Facility Services |
|
Chapel
Hill |
Current
Stormwater management plans account for existing conditions. Re-development
plans requires that additional runoff be managed. |
Adequate.
New development must meet higher level of regulation, based on best available
information. |
Continue
with existing policy to revise Ordinance as needed. |
Goal
1,2 and 3 |
Town
of Chapel Hill |
|
Carrboro |
Current
Stormwater management plans account for existing conditions. Redevelopment
accepts existing but not additional runoff. |
Adequate |
Continue
with existing policy |
Goal
1,2 and 3 |
Town
of Carrboro |
|
Orange
County |
In
Neuse River only, retro fit is a Component in the Stormwater ordinance |
.
Need Staff |
In
process of identifying three retro fit sites and apply for funding. |
Goal
1,2 and 5 |
Orange County |
III. Adequacy of Current Programs /Policies |
|
|
|
|
|
|
a. Lack of water quality and stream discharge
data |
University |
An
sampling program implemented in 2001 which includes stream discharge data. |
Adequate |
Continue
with the existing program |
Gal
1, 2, 5, and 7 |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Ambient
sampling since 1993. Ad-hoc benthic studies. One USGS gauge on Morgan Creek.
Intensive survey program recommended. |
Ambient
data sampling since 1993. Limited data interpretation and follow-up. |
Expand
upon existing sampling programs with intensive survey (gauges, field and lab
analysis, pollutant identification and elimination and enforcement) |
Goal
1,2,5,and 7 |
Town
of Chapel Hill |
|
Carrboro |
4
benthic studies during FY 00-01 with 1 per year thereafter along Bolin Creek,
2 grab samples per month-Toms Creek and Bolin Creek (Since 8/94) |
Adequate
but remote water quality sampling would be ideal, benthic studies along
Morgan Creek may be beneficial. |
Continue
with existing program and add additional benthic studies to include Morgan
Creek if possible. |
Goal
1,2,5 and 7 |
Town
of Carrboro |
|
Orange
County |
Collaborate
with professor Seth Reics (UNC Biology Dept.0 on ongoing water quality
studies |
Adequate |
Continue
with the existing program. Share data with all other local government's as it
becomes available |
Goal
1,2,5 and 7 |
Orange
County |
b. Expectations of community for stream water
quality are high |
University |
Sedimentation,
TMDL's, illicit discharges are key issues . |
Requires
additional attention in the future |
See
III.A. above |
Goal
1,2 and6 |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Sedimentation,
TMDL's, illicit discharges are key issues . |
Requires
program development. |
See
III.A. above |
Goal
1,2 and6 |
Town
of Chapel Hill |
|
Carrboro |
Section
15-263 (a)1 regulates water quality (no damage) |
Adequate |
Continue
with existing program |
Goal
2 |
Town
of Carrboro |
|
Orange
County |
Citizen
expectations vary depending on the part of the county the development is
located |
Requires
attention. |
Continue
to work with NC State to improve Sediment basins |
Goal
1,2, & 5 |
Orange
County |
c. Inventory of stormwater infrastructure is
partially complete |
University |
Infrastructure
mapping is included as part of the bond funded stormwater project. |
In
implementation phase. Implementation of the mapping effort will lead to
having and adequate inventory |
Continue
with implementation of mapping project |
Goal
1 and 2 |
Facilities
Planning & Construction |
|
Chapel
Hill |
Inventory
using a GIS data base is underway |
Comprehensive
stormwater GIS data and map management desired |
Underway |
Goal
1 |
Town
of Chapel Hill |
|
Orange
County |
No
Stormwater Infrastructure |
NA |
NA |
NA |
Orange
County |
|
Carrboro |
Inventory
using a GIS data base is underway |
Adequate |
Underway |
Goal
1 |
Town
of Carrboro |
d. Maintenance of infrastructure: |
|
|
|
|
|
|
1. Funding (resources) for maintenance
of stormwater infrastructure |
University |
University
bond program includes monies for extensive infrastructure repair/maintenance |
Requires
additional attention and investment in the future |
The
need to comply with the requirements of the OI-4 zoning, development plan and
NPDES Phase II will lead the University to increase the investment. |
Goal
1 and 4 |
UNC
Facilities Services, UNC Facilities Planning & Construction |
|
Chapel
Hill |
General
revenue, bonds, grants |
Recommend
other source, including impervious surface based rating system |
Not
guaranteed or continuous. Need new
source or allocation. |
Goal
1 and 4 |
Town
of Chapel Hill |
|
Carrboro |
Existing
structure maintained through current public works procedures |
Adequate |
Continue
with existing program |
Goal
1 and 4 |
Town
of Carrboro |
|
Orange
County |
NA |
NA |
NA |
NA |
Orange
County |
2. Deteriorated condition of stormwater
infrastructure |
University |
See
D.1 above |
|
|
|
|
|
Chapel
Hill |
Extensive
current and anticipated problems |
Current
CIP is limited |
Continue
to identify and prioritize projects. |
Goal
1,3 and 4 |
Town
of Chapel Hill |
|
Carrboro |
Evaluation
underway to determine extent of deterioration. (part of stormwater inventory) |
Adequate |
Complete
inventory and address on an as need basis. |
Goal
1 and 4 |
Town
of Carrboro |
|
Orange
County |
Not applicable (N/A) |
N/A |
N/A |
|
Orange
County |
3. Privately owned stormwater-right to
enter |
University |
Not
applicable |
N/A |
N/A |
|
|
|
Chapel
Hill |
Requires
temporary easement from property owner |
Adequate |
Continue
policy and revise Development Ordinance as required. |
Goal
1,4 and 6 |
Town
of Chapel Hill |
|
Carrboro |
State
Legislation requested to authorize “right to enter” |
Legislation
Pending |
Seek
legislation authorizing “right to enter” |
Goal
1 and 4 |
State
Legislature |
|
Orange
County |
Homeowner's
Association normally is required by condition of approval to have ingress,
exgress and regress rights to common property. |
Adequate |
Continue
with current requirements |
|
Orange
County |
e. Inadequate basis for policy making
(mapping, watershed approach) |
University |
Watershed
approach is being used in the development of the University's stormwater
master plan. |
Under
development. |
Implementation
of the stormwater master plan with result in an adequate program. |
Goal
1 , 6 and 7 |
UNC
Facilities Planning & Construction |
|
Chapel
Hill |
NFIP
Flood Hazard Maps are 25 yrs old and being used for new and existing
development decisions. |
Under
development. |
Continue
to work towards digital re-mapping products to manage locally. |
Goal
1, 3 and 6 |
Town
of Chapel Hill |
|
Carrboro |
Basic
GIS is adequate but Topos are needed for accurate stream buffer and basin
mapping and stormwater modeling. |
INADEQUATE
Need TOPOS |
Continue
to work with the county land records office to obtain topo maps |
Goal
6 and 7 |
Town
of Carrboro and Orange County |
|
Orange
County |
Watershed
approach is used for stormwater infiltration and detention. In a joint effort
by County, State and FEMA, new floodplain maps due Nov. 2001. County wide
1998 orthophotos |
Adequate |
Zoning enforced, some free standing
ordinances. Enforcement laborious and eats staff time |
Goal
1,2,3,4 & 5 |
Orange
County |
f. Pre and post development requirements |
University |
Fully
addressed in the OI-4 zoning and development plan. |
Adequate |
Ensure
development complies with all requirements. |
Goal
1,2,and 3 |
UNC
Facilities Planning & Construction |
|
Chapel
Hill |
25-yr.
pre/post release rate criteria in current ordinance for commercial and
industrial only |
Recommend
multiple release rate criteria for all development |
Make
revisions in Development Ordinance |
Goal
1,2,and 3 |
Town
of Chapel Hill |
|
Carrboro |
Appendix
I of the Land Use Ordinance requires that post development should not exceed
pre-development 10 year runoff. |
Adequate |
Continue
with existing policy |
Goal
1, 2, 3, 4, and 5 |
Town
of Carrboro |
|
Orange
County |
Various
. 5% to 25% impervious based on watershed and zoning. For Neuse development ,
no net increase in peak flow from pre-development conditions for 1 year, 24
hr storm |
Adequate |
Continue
with existing policy |
Goal
1, 2, 3, 4, and 5 |
Orange
County |
g. Local development ordinances fragmented: |
University |
OI-4
ordinance requirements meet or exceed NPDES Phase II requirements. |
Adequate |
Ensure
development complies with all requirements. |
Goal
1,2,and 3 |
UNC
Facilities Planning & Construction |
|
Chapel
Hill |
Ordinance
requirements meet or exceed NPDES requirements and local needs |
Adequate |
Current
revisions underway |
Goal
1, 2, 3, 4, and 5 |
Town
of Chapel Hill |
|
Carrboro |
Ordinance
requirements meet or exceed NPDES requirements |
Adequate |
Continue
with existing program |
Goal
1, 2, 3, 4, and 5 |
Town
of Carrboro |
|
Orange
County |
Many
ordinances in conflict; the more strict applies. |
No Position |
Rewrite
ordinances in a comprehensive approach to the problems |
|
Orange
County |
h. Conflict between local ordinance and/or
state requirements |
University |
No
conflicts of significance at this time |
Adequate |
|
|
University |
|
Chapel
Hill |
No
Conflicts |
Adequate |
Amend
Development Ordinance if necessary to resolve conflicts |
Goal1 |
Town
of Chapel Hill |
|
Carrboro |
Conflicts
minimal if any |
Adequate |
Amend
Land Use Ordinance if necessary to resolve conflicts |
Goal1 |
Town
of Carrboro |
|
Orange
County |
Conflicts
are minimal; generally Orange wants to exceed State Statutes |
Adequate |
|
|
Orange
County |
i. More uniformity in
stormwater management (i.e.: ordinance provisions) |
University |
N/A |
N/A |
|
|
University |
|
Chapel
Hill |
Ordinance
language review required |
Adequate |
Continue
to work regionally where specific cases or areas dictate. |
Goal
1,6, and 7 |
Town
of Chapel Hill |
|
Carrboro |
Stormwater
Management required of all projects |
Adequate |
Continue
with existing program |
Goal
1 |
Town
of Carrboro |
|
Orange
County |
Consistency
needed in current regulations |
Not programmed. |
Review
recommended by County |
Goal
1 |
Orange
County |
j. Resource Conservation District
(RCD) standards (stream buffers) |
University |
N/A |
N/A |
|
|
University |
|
Chapel
Hill |
See
RCD above. |
Buffer
restrictions exist and are under revision. |
Need
buffer rules in revised ordinance |
Goal
1,2,3, and 5 |
Town
of Chapel Hill |
|
Carrboro |
Stream
Buffers required throughout the Town’s jurisdiction. |
Adequate |
Continue
with existing program |
Goal
1,2,3, and 5 |
Town
of Carrboro |
|
Orange
County |
Nuese
Basin Rules |
County
program under consideration. |
Program
to meet Neuse Rules required. |
Goal
1,2,3, and 5 |
Orange
County |
k. Need to examine development ordinance
concerning impervious surface per Chapel Hill Comprehensive Plan |
University |
Not
applicable, University does not have its own RCD standards, but in the past
has met the Town's RCD requirements. |
Adequate |
Continue
with existing program |
Goal
1, 2 3, and 5 |
UNC
Facilities Planning & Construction |
|
Chapel
Hill |
Development
Ordinance Intensity Regulations Sec. 13.11 |
Adequate |
Continue
with existing program |
Goal
2 |
Town
of Chapel Hill |
|
Carrboro |
N/A |
|
|
|
Carrboro |
|
Orange
County |
Ordinances
are adequate in places and not so in others |
Developing
program. |
Ordinances
will be consolidated and rewritten where necessary |
|
Orange
County |
l. BMP’s regarding water quality need to
be implemented as requirements with a Design Manual and Standards |
University |
Appropriate
BMP's will be incorporated into all University development projects. |
Adequate |
Ensure
designs meet the requirements of the OI-4 zoning and the development plan. |
Goal
1, 2, 3, 5, and 6 |
UNC
Facilities Planning & Construction |
|
Chapel
Hill |
Currently
under development and verbal requirement by development community |
Ad-hoc
design guidelines. |
Revised
Development Ordinance provisions. Needs detailed attention. |
Goal
1,2,3,5,and 6 |
Town
of Chapel Hill |
|
Carrboro |
BMP’s
that meet the States’ standards may be used to meet the Town’s water quality
standards |
Adequate |
Continue
with existing program |
Goal
1,2,3, and 5 |
Town
of Carrboro |
|
Orange
County |
BMP's
generally do not permit increase in impervious surface. They are allowed to provide greater
stormwater protection. |
Adequate |
Continue
with existing program |
|
Orange
County |
m. Review Public Works department's role and
activities in maintaining stormwater infrastructure |
University |
Street
maintenance done by NC DOT or the Town of Chapel Hill as appropriate. Street sweeping needs to be done more
frequently to reduce stormwater sediment loading. |
Program
Development needed |
Seek
additional resources to reinforce the street sweeping program. |
Goal
1, 2, and 5 |
UNC
Facilities Services, UNC Facilities Planning & Construction |
|
Chapel
Hill |
Street
sweeping, street maintenance, drainage projects on a scheduled or CIP basis |
Programs
developed and operational |
Drainage
projects subject to limited resources |
Goal 1,2,3, and 4 |
Town
of Chapel Hill |
|
Carrboro |
Street
sweeping, street maintenance, drainage projects on a scheduled or CIP basis |
Adequate |
Continue
with existing program |
Goal
1,2,3, and 5 |
Town
of Carrboro |
IV. Strategies
for Improvement |
|
|
|
|
|
|
a. Establish clear goals with measurable
outcomes |
University |
To
be developed as part of the application for a NPDES Phase II permit |
Master
Plan under development |
Develop
comprehensive program for stormwater management. |
All
goals. |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Under
development |
Under
development. |
Develop
comprehensive program for stormwater management. |
All
goals. |
Town
of Chapel Hill |
|
Carrboro |
Established
by current stormwater management policy |
Adequate |
Re-examine
periodically |
Goal
1 and 7 |
Town
of Carrboro |
|
Orange
County |
Established
by current stormwater management policy |
Adequate
but short staffed |
Requesting
Commissioners for additional staff FY 2002 |
Goal
1-6 |
Orange
County |
b. Develop performance measures related to
BMP’s |
University |
To
be developed as part of the application for a NPDES Phase II permit and
implement the development plan.
On-going monitoring will measure performance. |
Adequate |
Meet
the standards set forth in the development plan and continue the monitoring
program. |
Goal
1, 2, 3, 4, 5, and 6 |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Under
development |
Under
development. |
Develop
comprehensive program for stormwater management. |
All
goals. |
Town
of Chapel Hill |
|
Orange
County |
Stormwater
management Program for Lands Within the Neuse River |
Good
Ordinance, need staff |
existing program, Received approval from
EMC Oct.2001 |
All
goals. |
Orange
County |
|
Carrboro |
Post
development shall not exceed predevelopment conditions |
Adequate |
Continue
with existing policy |
Goal
2,3,4, and 5 |
Town
of Carrboro |
c. Review Town’s comprehensive plans: |
|
|
|
|
|
|
1. Conservation development principle |
University |
Not
applicable |
|
|
|
University |
|
Chapel
Hill |
Natural
environment considerations |
Adequate |
Continue
to implement policy |
Goal
2,3,4, and 5 |
Town
of Chapel Hill |
|
Carrboro |
Natural
constraints, 40% open space and net density requirements based on developable
area. |
Adequate |
Continue
with existing policy |
Goal
2,3,4, and 5 |
Carrboro |
2. Low Impact development (minimize
disturbance of natural areas, etc.) |
University |
Not
applicable |
|
|
|
University |
|
Chapel
Hill |
Comprehensive
Plan guidelines for cluster development |
Adequate |
Development
Ordinance revisions to provide further guidance |
Goal
2,3,4, and 5 |
Town
of Chapel Hill |
|
Carrboro |
Primary
and secondary constraints (floodway/floodplain, stream buffers, steep slopes,
hardwood etc) limit development. |
Adequate |
Continue
with existing policy |
Goal
2,3,4, and 5 |
Town
of Carrboro |
3. Water quality performance review
process |
University |
Water
quality information will be shared with local government. |
Adequate |
Cooperate
fully with local officials in evaluating available water quality information. |
Goal
2,3,4, and 5 |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Monitoring
at 14 sites |
Monthly
sampling of ambient and benthos baseline data collection |
Develop
comprehensive program for stormwater management. |
Goal
2,3,4, and 5 |
Town
of Chapel Hill |
|
Carrboro |
Stormwater
management plans required for new developments to show post construction does
not exceed pre construction conditions |
Adequate |
Continue
with existing policy |
Goal
2,3,4, and 5 |
Town
of Carrboro |
d. Formalized comprehensive public education
program is needed |
University |
To be
developed as part of the NPDES Phase II process. |
Needs
to be developed |
Cooperate
fully with local officials to ensure a comprehensive program is implemented. |
Goal
1, 6 and 7 |
Town
of Carrboro Town of Chapel Hill, Orange County, UNC, TJ COG, & State |
|
Chapel
Hill |
Ad-hoc
elementary education program |
Needs
to be developed |
Work
with neighboring jurisdictions for comprehensive education program. |
Goal
1, 6 and 7 |
Town
of Carrboro Town of Chapel Hill, Orange County, UNC, TJ COG, & State |
|
Carrboro |
Work
with neighboring jurisdictions on a joint education program and work on a
local stream watch and catch basin stencil program |
Needs
to be developed |
Continue
to work with neighboring jurisdictions |
Goal
1, 6 and 7 |
Town
of Carrboro Town of Chapel Hill, Orange County, UNC, TJ COG, & State |
|
Orange
County |
Has been
developed with regard to Neuse River Basin.
|
Adequate |
Continue
with existing guidelines |
Goal
1,6, and 7 |
Orange
County |
e. Monitoring targets and indicator i.e.
measurable goals in NPDES Phase 2 permit |
University |
To
be developed as part of the application for a NPDES permit |
Needs
to be developed |
Complete
as part of application |
Goal1 |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Under
development |
Needs
to be developed |
Complete
as part of application |
|
Town
of Chapel Hill |
|
Carrboro |
To
be developed as part of the application for a NPDES permit |
Needs
to be developed |
Complete
as part of application |
Goal1 |
Town
of Carrboro |
f. Develop funding sources and annual
budget required to carry out goals and requirements ( user fees, grants,
bonds, other) |
University |
The
bond funded stormwater project in place, funding for on-going activities to
be identified. |
Future needs remain unfunded |
Seek
funding from all possible sources. |
All
goals. |
UNC
Environment, Health & Safety, UNC Facilities Services, and UNC Facilities
Planning & Construction |
|
Chapel
Hill |
General
revenue, bonds, grants |
Reliable
funding source needed |
User
fee based on impervious surface recommended to consideration. |
All
goals. |
Town
of Chapel Hill |
|
Carrboro |
Programs,
projects and cost need to be determined first |
Assessing |
|
|
Town
of Carrboro |
|
Orange
County |
One
time Stormwater review fee (Neuse only) |
Assessing |
Assessing |
All
goals. |
Orange County |
g. Identify Federal and State funding
opportunities (water resources grants) |
University |
Requires
continuing attention to ensure opportunities are not missed. |
Adequate |
As
grant possibilities are identify, we will pursue them. |
All
goals. |
UNC
Environment, Health & Safety, UNC Facilities Services, and UNC Facilities
Planning & Construction |
|
Chapel
Hill |
Grants
have been awarded to Chapel Hill |
Ad-hoc
grant writing program |
Pursue
grants comprehensively. |
All
goals. |
Town
of Chapel Hill |
|
Carrboro |
Programs,
projects and cost need to be determined first |
Assessing |
|
|
Town
of Carrboro |
|
Orange County |
Identified
retrofit funding, primarily Hillsborough via Neuse Rules |
Assessing |
State
mandate, has to be done |
Goal
4, 5, 6 |
Orange County |
h.
Comprehensive mapping and modeling (manage up-coming NFIP models locally) |
University |
Continue
to work with the State with regard to mapping updates |
Adequate |
|
All
goals. |
UNC
Facilities Planning & Construction |
|
Chapel
Hill |
Continue
to work with the State with regard to mapping updates |
Developing
program. |
Partnership
with Carrboro and FEMA for improved management. |
All
goals. |
Town
of Chapel Hill |
|
Carrboro |
Continue
to work with the State with regard to mapping updates |
Adequate |
Partnership
with Chapel Hill and FEMA for improved management. |
All
goals. |
Town
of Carrboro |
|
Orange
County |
Continue
to work with the State with regard to mapping updates |
No Position |
No Position |
|
|
i. NPDES compliance (6
minimum measures and local needs) |
University |
Six
minimum measures to be developed over a multi-year period, Current programs
meet several measures. |
In
Progress. |
To
be developed. |
All
goals. |
UNC
Environment, Health & Safety |
|
Chapel
Hill |
Six
minimum measures to be developed over a multi-year period, Current programs
meet several measures. |
In
Progress. |
To
be developed. |
All
goals. |
Town
of Chapel Hill |
|
Carrboro |
Measures
and needs have been identified and efforts are underway to complete the
stormwater inventory, devise house keeping programs, an illicit discharge
discovery and response program and a education program |
Development
Ordinance seems adequate. Efforts to
concentrate on inventory, illicit discharge, education, and house keeping |
Work
with neighboring jurisdictions to devise an education and an illicit
discharge program. Complete
housekeeping and inventory programs. |
Goal
1 |
Town
of Carrboro and other units of Govt. |
|
Orange
County |
By
implementing Stormwater ordinance County wide can achieve NPDES compliance |
No
staff for Countywide At this time |
Request
additional staff |
Goal
1 |
|
*Jurisdictional/Staff
Assessment Note: |
|
|
The
following staff members contributed to the assessment comments: |
|
|
The
University of North Carolina at Chapel Hill - Jim Mergner, Sharon Myers |
|
Town of Carrboro - Roy
Williford |
|
Town of Chapel Hill - Fred
Royal, Richard Terrell |
|
Orange County - Ren Ivins |
|
|
|
|
|
|
|
|
|