NCS000465_Morrisville Draft SWMP_20230302

Morrisville
Live connected. Live well.
Draft Stormwater ManOqement Plan
Town of Morrisville
NCS0Q0465
March 2, 2023

Table of Contents
Part1: Introduction ................................................................................................................•----................1
Part2: Certification ...............................................................................•--...................................................2
Part3: MS4 information...............................................................................................................................3
3.1 Permitted MS4 Area.......................................................................................................................3
3.2 Existing M54 Mapping. ..................................................................... . ... ...................................4
3.3 Receiving Waters............................................................................ : ::..........................................5
3.4 MS4 Interconnection..............................................................
. ......................................7
..
. t
3.5 Total Maximum Daily Loads (TMDLs)....................... . .�V,, ............. ...................................7
3.6 Endangered and Threatened Species and Critical:Habitat......................................................8
3.7 Industrial Facility Discharges
........................... .................................... .. ::w:.....................
3.8 Non-Stormwater Discharges.......................... ................,,: ......................................................9
3.9 Target Pollutants and Sources............................::: :...... ..:.;.,;.....................................................11
Part 4: Stormwater Management Program Administration .....:........................................................ 12
4.1 Organizational Structure...............:...:.:. ...:............................:..................................................12
4.2 Program Funding and Budget....................... ................. ..........................................14
4.3 Shared Responsibility......................... ................ : .......,f. . .....................................................14
4.4 Co-Permittees...... . ............... R_,,, ,...........................................................................14
4.5 Measurable Goals for Program Admints tation......................................................................15
Part 5: Public Education;and Outreach Program—............................................................................
17
Part 6: Public Involvement and ParticiJpa 1,q,Program ....................................................................22
Part 7: Illicit:Disj;harge Defectron and Elimination Program...........................................................
Part 8: Co structiorf`S-ite;Runof .Control Program............................................................................2
Part,�P: Oost-Construction=Site Runoff'Control Program..................................................................31
Part 10.`Pollution Prevention.and Good Housekeeping Programs..................................................
42
Tables
Table 1: Summary of Current MS4 Mapping............................................................................................
Table 2: Summary of MS4 Receiving Waters ...........................................................................................6
Table 3: Summary of Approved TMDLs......................................................................................................7
Table 4: Potential Federally Listed Species/Habitat Impacted by Surface Water Quality..............8
Table 5: NPDES Stormwater Permitted Industrial Facilities..................................................................8

Table 6: Non-Stormwater Discharges.....................................................................................................10
Table 7: Summary of Target Pollutants and Sources............................................................................11
Table 8: Summary of Responsible Parties...............................................................................................13
Table9: Shared Responsibilities...............................................................................................................14
Table 10: Co-Permittee Contact Information........................................................................................14
Table 11: Program Administration BMPs.......................................................:i';: :..................................15
Table 12: Summary of Target Pollutants and Audiences................ .::., .:. .....................................17
Table 13: Public Education and Outreach BMPs...................... ......... ;, . .............................18
Table 14: Public Involvement and Participation BMPs....... x ..........................................................22
Table 15: Illicit Discharge Detection and Elimination BM..
Table 16: Qualifying Alternative Program Components,for Construction Site..............................29
Table 17: Construction Site Runoff Control BMPs.......... , . _. .................................................................29
Table 18: Qualifying Alternative Program(q). for Post-Construe on Site Runoff Control Program
.......................................................... .::_ �,_ ................:. at ............................................31
Table 19: Summary of Existing Post-Constriction Progr `rn;Elemer7ts.........................
Table 20: Post Construction Sits Runoff Control B,Mk.....................................................................34
Table 21: Pollution Prever' n a d;Good Hou�okeeping BMPs.......................................................42
41
Figures
Figure 1 Town Li"tsx'ETJ, and%RlV-er Basins............................................................................................3
Figure,2,"Tbwn of Morrisv( e Recer Mg Waters......................................................................................
Figure :Jown of Morrisville..,'Organizational Structure......................................................................12
Figure 4:,Town of Morrisville4,Post-Construction Programs...............................................................32
' l

Part 1: introduction
The purpose of this Stormwater Management Plan and Nutrient Management Strategy (SWMP-
NMS) is to establish and define the means by which the Town of Morrisville will comply with its
National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer
System (MS4) Permit, the requirements of the Neuse Nutrient Stormwater Rule (15A NCAC 02B
.0711), and the applicable provisions of the Clean Water Act to meet the federal standard of
reducing pollutants in stormwater runoff to the maximum extent practfc,4 le.
This SWMP-NMS identifies the specific elements and minimuM measures that the Town of
Morrisville will develop, implement, enforce, evaluate, and ,report to. the North Carolina
Department of Environmental Quality(NCDEQ) Division of_Energy, Minerals and Land Resources
(DEMLR) in order to comply with the MS4 Permit number'NC5000465, as',J. ued by NCDEQ.
This permit covers activities associated with the discharge of stormwater andoutrients from the
MS4 as owned and operated by the Town of Morrisville and located within the corporate limits
of the Town of Morrisville. This SWMP-NMS also i+,fifies. the specific elements and minimum
measures that the Town of Morrisville will develop, impl.ementehforce, evaluate, and report to
the NCDEQ Division of Water Resources (DWR) to comply,r�" the requirements of the Neuse
Rule.
In preparing this SWMP-NMS, the Towh t f�Morrisville has evaluated its MS4 and the permit
requirements to develop a comprehensive,--year 51�IIMPNMS that will meet the community's
needs, address local water quality issues; and pravoe the _m, nimum measures necessary to
comply with the permit. The SWMP-NMS will be evaluated and updated annually to ensure that
the elements and minimum mt!ti..5 it contains,continue to adequately provide for permit and
Neuse Rule compliance and the ccAjpunity's needs.
Once the SWMP-NMSis':a'pprovediy NCDEQ acid the Environmental Management Commission
(EMC), all provisions coritaihed and referenced Jm this SWMP-NMS, along with any approved
modifications..of the SWMP CMS, are incorporated by reference into the permit and become
enforceable` ari ofhe,permt any major changes to the approved SWMP-NMS will require
resubmiff 1, review, and Qaoproval y°;NCDEQ, and may require a new public comment period
depending on the nature ofhe changes.
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 1

Part 2: Certification
By my signature below I hereby certify, under penalty of law, that this document and all
attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information
submitted. Based on my inquiry of the person or persons who manage the system, or those
persons directly responsible for gathering the information, the information submitted is, to the
best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting fall*`information, including the
possibility of fines and imprisonment for knowing violations.
i am also aware that the contents of this document shall:become an `eti;Fr,,.eable part of the
NPDES MS4 Permit, and that both the Division and the-Ebvfronmental Protee✓ ion Agency have
NPDES M54 Permit compliance and enforcement authority.
❑ 1 am a ranking elected official.
M I am a principal executive officer for the permitted M$4
❑ I am a duly authorized representatiye for the permitted, MS4 and have attached the
authorization made in writing by a pr c"ipal ;executive office Qr ranking elected official which
specifies me as (check one):
❑ A specific individual having overall:�responsib! for:-tprmwater matters.
❑ A specific positiQrt haWrtg overall re pions tiility for stormwater matters.
Signature:
Print Name: MM Y t`v Paige
Title: Town ManA$er
Signed this-471 day of 2023_.
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 2

Part 3: MS4 information
3.1 Permitted MS4 Area
This SWMP applies throughout the corporate limits of the Town of Morrisville, including all
regulated activities associated with the discharge of stormwater from the MS4. The map below
shows the corporate limits of the Town of Morrisville and the Extraterritorial Jurisdiction (ETJ),
as of the date of this document. As the Town is located in both the 14Puse and Cape Fear River
basins, the Local Neuse Nutrient Management Strategy (Neuse Lqp Program) applies to the
portions of the town located in the Neuse River Basin.
Legend 1
i�Ysorf
Morrisville UmIIN
Ell
Haw-Cape Fear River .
i Basin
i Upper Neuse-Neuse
River Basin
Ae
,
� n
0 0.25 0.5 1 1.5 4e r,i::,;,
Miles c , i,.15 F csP I
Figure 1: Town Limits, ETJ, and River Basins
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 3

3.2 Existing MS4 Mapping
Runoff from most of the earlier development(prior to 1999) in the Town flows directly to surface
waters without any form of treatment. For developments since implementation of the Town's
1999 stormwater ordinance and first Phase Il permit in 2005, runoff flows to various detention
systems and other structural Stormwater Control Measures(SCMs) prior to entering the receiving
streams.
The current MS4 mapping program includes the location of system cotopnnents (including inlets,
outfalls, pipes, and culverts), SCMs, waterbodies, major basins, and subbasins. Pipe Condition,
flow direction, and pipe size are also included. This Publicly ava°llable information can be found
online on the Town of Morrisville Stormwater Map.
Mapping of the Town's storm system was updated,< 'In` 2021. The T6.w estimates that
approximately 99% of the MS4 area is mapped.
Table 1: Summary of Cutrent.MS4 Mapping
4,
Percent of MS4 Area Mapped 99
No. of Major Outfalls* Mapped 74 total**
*An outfall is a point where the MS4 discharges`frorr a-'JpIp; Qr other conve arise (e.g., a ditch) directly into surface
waters. Major outfalls are required to be mapped t6`.meet pi�rmtt:requirements .4nmajor outfall is a 36-inch diameter
pipe or discharge from a drainage area > 50-acrest :and for ihdusfi'tN,,zoned a eas a 12-inch diameter pipe or a
drainage area > 2-acres.
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 4

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Table 2: Summary of MS4 Receiving Waters
Receiving Water Name Stream Index/AU Water Quality 303(d) Listed Parameter(s)
Number Classification of Interest
Haw - Cape Fear River Basin (Jordan Lake)
Kit Creek 16-41-1-17-2-(0.3) C; NSW N/A
Kit Creek 16-41-1-17-2-(0.7) WS-IV; NSW N/A
Upper Neuse - Neuse River Basin
Brier Creek 27-33-4 C; NSW ? .B (Advisory, FC, NC)
Stirrup Iron Creek 27-33-4-2 C; NSW: N/A
Coles Branch 27-33-3 C;,;ISW lV/A
Crabtree Creek 27-33-(1) C;'NSW I Benthos' llr� AL, FW)
(:
C: Class C(Fishable/Swimmable Waters)
NSW: Nutrient Sensitive Water _
WS-IV:Water Supply Watershed, Class IV
PCB: Polychlorinated Biphenyl (PCB) Fish Tissue Advisory
FC, NC: Fish Consumption, North Carolina Standard
Benthos: Impaired Benthic Microorganism �orii�u [ty
Nar: Narrative Standard .
AL: Aquatic Life '_ >.
FW: Fresh Waters
The above Data is from 2022 'C+ ccategory 5::A"ssessments "2022 Final 303(d) List" and NC
Surface Water Classifications Map. From the 2022.303(d) Listing and Delisting Methodology for:
• Benthos: "NaffiAj criterion "Narrative criterion: Waters shall be suitable for aquatic life
propagation and Mdi- tenarft' f hiplogical htegrity. NC uses benthic and fish community
data to assess biological integrity. Biological integrity means the ability of an aquatic
ecosytiem iopport and maintain a balanced and indigenous community of organisms
having species bornposition, diversity, population densities and functional organization
similar to that of reference conditions."
• ftsh Consumption:; ,Tlsh consumption was assessed based on site-specific fish
oflnspmption advisoes developed using fish tissue data. Advisories and advice are
developed by DHHS using fish tissue data collected by DWR and others. See
http:t/,epi.publiche"[fh.nc.gov/fish/current.htmi for all advice and advisories."
The Town of Morrisville utilizes Public Education and Outreach BMPs 5-8 to provide information
on water quality impairments in the Neuse River Basin and PCBs and nitrogen are target
pollutants. The Neuse River Subbasin Plan for Crabtree and Brier Creeks and Protecting Water
uali supplement are used to guide BMPs.
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 6

3.4 MS4 Interconnection
The Town of Morrisville MS4 is interconnected with another regulated MS4 and
receives/discharges stormwater into the Town of Cary. The number of interconnections leaving
the Town of Morrisville M54 have not been estimated; however, locations of outfalls within the
Town of Morrisville ETJ are on the MS4 map and are part of the IDDE and MS4 inspections.
The MS4 also interconnects with the statewide NCDOT MS4 and includes:
a. The interconnection is receiving stormwater from the NCD50T MS4. The number of
interconnections is unknown.
b. The interconnection is discharging stormwater into the: Ncb0r:MS4. The number of
interconnections is unknown.
c. The Town of Morrisville MS4 mapping does include NCDOT MS4 oa fa Is.
3.5 Total Maximum Daily Loads (TMDLs)
The TMDL(s) listed in Table 3 below have been approved withinthe M54 area, as determined by
the map and list provided on the NCDEQ Modeling_&Assessment [knit web page. The table also
indicates whether the approved TMDL ha.5 a specific storrrtvypter Waste Load Allocation (WLA)
for any watershed directly receiving discharge,s.,f rom the permitted MS4, and whether a Water
Quality Recovery Program has been implemented, o dress the VILLA.
The Statewide TMDL for mercury does rapt require,any etio;ns by the NPDES Stormwater
Permittee because most mercury in stormw�ter dames froi atmospheric deposition, but the
Town utilizes BMPs 5-8 toprov d nformatioq toAhe public.
While the Neuse River has a TMDLti- nitrogeriie Town of Morrisville discharges to tributaries
of the Neuse that do -not-have TMDLs. The TOu r of Morrisville utilizes Public Education and
Outreach BMPs 5-7 to prpyide lnforrmatin on nitrogen in the Neuse River Basin. This SWMP-
NMS also includes ,BMPs to ;implement th`e Neuse Local Program for the updated Neuse River
Rules, which werel-,P' ted in April 2021.
Table 3 =Summary o€Approved TMDLs
TMDL4Pollutant(s)of Stormwater Water Quality
Water Body Name Concern Waste Load Recovery
Allocation (Y/N) Program (Y/N)
State' itle Mercury N N
Neuse River' Nitrogen N N
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 7

3.6 Endangered and Threatened Species and Critical Habitat
Significant populations of threatened or endangered species and/or critical habitat may be
identified within the regulated MS4 urbanized area. Based upon a review of the Endangered and
Threatened Species and Species of Concern by County for North Carolina Map (no longer
available online)and Listed species believe to or known to occur in North Carolina list as provided
by the U.S. Fish and Wildlife Service, the species listed in Table 4 have:the potential to occur
within the regulated MS4 urbanized area. Of those species listed,Table-A,".' ummarizes the species
that may be significantly impacted by the quality of surface waters.W "gin their habitat.
Table 4: Potential Federally Listed Species/Habitat lmpacted'by Surface Water Quality
Scientific Name Common name Species Group Federal Listing
Status
Holioeetus leucocepholus Bald eagle `Vertebrate _PA
S•:a,c't-G
Noturus furiosus Carolina madtom Vertebr#O, S
Neuse River
Necturus lewisi
waterdog l�ertebrate ARS
Fusconaia masoni Atlanticpigtoe Invrtobrate ARS
DWarf
Alasmidonto heterodon Invertebrate E
wedgemdssel
tasmigona subviridis Green floater .. ,F inyertebrate ARS
Lindera subcoriacea Bog spicebush Vascular Plant ARS
BGPA: Bald And Golden Eagle Protectidn Act
ARS:At Risk Species
E: Endangered
f
3.7 Industrial.-FiRgility discharges
The Town,,of Morrisville,14 jurisdictional area includes the following industrial facilities which
hold NPDES Industrial Storwater Permits, as determined from the NCDEQ Maps& Permit Data
web aa
Table 5: NPDES Stormwater Permitted Industrial Facilities
Permit Number Facility Name
NCG06eQ4.m Amazon.com Services LLC - DRT9
NCG070104 Adams Products Co- Morrisville
NCG080147 Waste Management of Raleigh Durham
NCG080391 Averitt Express Inc - Morrisville
NCG080476 XPO Logistics Freight, Inc. - NRD
NCG080601 Triangle Transit Authority - Bus Maintenance Facility
f+RAF`i NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 8

Permit Number Facility Name
NCG080659 UPS Ground Freight, Inc.- Morrisville
NCG080974 Old Dominion Freight Line Inc - DRM
NCG140266 Thomas Concrete Of Carolina Inc - Morrisville
NCG140307 Concrete Supply Co-Morrisville Plant
NCG140469 McCarthy RDU ConcreteSatch Plant
NCG150067 NCNG Morrisvi[[e, SF #1
NCGNE0059 Airborne.
Ep(ess-RDU
NCGNE0110 AAA Cooper Trab �rt
NCGNE0247
. .:DH L Express __. .....
NCGNE0298Southern Staircase
NCGN1=0356 ,Estes Express.-Upes-Morrisville
N CG N E0447 ,,.,,Telel ec
NCGNE0628 YRC;inc.-Morrisville
NCGNE0704 American Greenz
NCGN E0737 Eaton­.5atellite
NCGNE0931 `Eaton Corp - Raleigh CMSC
NCGNE0949 Tekelec - Morrisville
NCGNE1123:.,, :. Classic Graphics
NCGNE1 -V American Greenz, Inc.
NCGNE13W HZO Inc.
NCGNE1405 :Integrated DNA Technologies - RTP
N=C NE1446 Circle Graphics - Innovation Ave
The Town of Morrisville utilizes Public Education and Outreach BMPs 5-8 to provide information
to corriMercial/industrial audiences. Industrial outfalls are also inspected as part of the Illicit
Discharge Detection and Elimination program BMP Error! Reference source not found..
3.8 Non-Stormwater bischarges
The water qualitV46 acts of non-stormwater discharges have been evaluated by the Town of
Morrisville as summarized in Table 6 below. The unpermitted non-stormwater flows listed as
incidental do not significantly impact water quality. The Town of Morrisville has evaluated
residential and charity car washing and street washing for possible significant water quality
impacts.
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 9

Wash water associated with car washing that does nut contain detergents or does not discharge
directly into the M54 is considered incidental. However, these types of non-stormwater
discharges that do contain detergents have been evaluated by the Town of Morrisville to
determine whether they may significantly impact water quality. They were determined to be a
possible cause of water quality impacts and will be addressed through Public Education and
Outreach BMPs 5-8.
Street sweeping in Morrisville utilizes a dry street sweeper and therefgf street wash water is
not considered a possible water quality impact.
The Division has not required that other non-stormwater flows bepecifically controlled by the
Town of Morrisville.
Table 6: Non-Stormwater Discharges
Non-Stormwater Discharge Water Quality Impacts
Water Line And Fire Hydrant Flushing Incidental
Landscape Irrigation Incidental
Diverted Stream Flows Incidental
Rising Groundwater Incidental
Uncontaminated Groundwater Idt atior Incidental
x .....
Uncontaminated Pumped Groundwater Incidental
Uncontaminated Potable.Water Sources Incidental
Foundaf ion D'ratns„ Incidental
Air Cond,i ing Condensate Incidental
Irrigation„Waters; Incidental
Springs V:Y r^ Incidental
,W,ater From.Crawl Space Pumps Incidental
Fo6fft,Drains Incidental
Lawn Watering Incidental
Residential And Charity Car Washing Possible
Flows tqT Riparian, abitats And Wetlands Incidental
Dechlorfn Sw ming Pool Discharges Incidental
Steeet`Wash Water Incidental
Flows From Firefighting Activities Incidental
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 10

3.9 Target Pollutants and Sources
In addition to possible non-stormwater discharges identified above, the Town of Morrisville is
not aware of other significant water quality issues within the permitted MS4 area.
Table 7 below summarizes the water quality pollutants identified throughout Part 3 of this
SWMP-NMS, the likely activities/sources/targeted audiences attributed to each pollutant and
identifies the associated SWMP-NMS program(s) that address each. Imoddition, the Town of
Morrisville has evaluated schools, homeowners and businesses as targ(audiences that are likely
to have significant stormwater impacts.
Table 7: Summary of Target Pollutants.anO Sources:
Target Pollutant(s) Likely Sources)/Target SWMP-NMS Program Addressing
Audience(s) Target Pollutants)/Audience(s)
Residential, Commercial' Public Education & Outreach, Public
Litter/Yard Waste Industrial, Schools, Involvement & Participation,
�.�.[.
Municipal Operations Poll,r ion Prevention and Goad
Housekeeping
PCBs Residential, Commercial/ ^'P 'bl,ic Education &Outreach, Illicit
Industrial Discharge Detection and Elimination
Residential, Commercial% Public Education & Outreach, Public
Nitrogen Industrial, Mpr icipal lnvolv' ement & Participation,
Operations= �Parlution Prevention and Good
Housekeeping
Public Education & Outreach,
Constructor, Commercial/ Construction Site Runoff Control,
Sediment Industrial, Municipa( Post-Construction Site Runoff
Qper bons. Control, Pollution Prevention and
Good Housekeeping
Residential, Commercial/ Public Education & Outreach, Illicit
Discharge Detection and Elimination,
Cai Washing Industrial, Schools, pollution Prevention and Good
Municipal Operations Housekeeping
Fecal;Ceiiform Sewer Leaks, Failing Septic Public Education & Outreach, Illicit
. Systems, Pet Waste Discharge Detection and Elimination
Fertilizer/Pesticides/ RResidential, Commercial/ Public Education & Outreach,
Herbicides Industrial, Municipal Pollution Prevention and Good
Operations Housekeeping
Illicit Discharge/Illegal Residential, Commercial/ Public Education & Outreach, Illicit
Discharge Detection and Elimination,
Dumping/Improper Industrial, Municipal
D Pollution Prevention and Good
Disposal of Waste Operations
Housekeeping
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 11

Part 4: Stormwater Management Program Administration
4.1 Organizational Structure
The Town of Morrisville Stormwater Program is implemented through the Engineering
Department overseen by the Town Engineer. The Stormwater Engineering Manager is
responsible for day-to-day implementation of the Program. Figure 3 shows the organizational
structure of the City and Table 8 provides a summary of the responsilfe positions for specific
SWMP-NMS components.
Tare M�teryfatille
NUMS r5ae El Sh Aterra u
UrWnlntlett CLart
Mayer&Comm
Twe Att*n*y Twn Manager TOWII Clerk
Itsst.Rtyn Man r a
frWr^<rntf C VXV61oyks
€EI UePrmpat Department
I: lTcwr:Ergnterl
IEEE � 4�
storrrwaeer �
Enpneer'tr-Manager
L'SW hdm s9ra I
stun tpr Enghi tmplael¢n
llsses tWmn} Speri iii[
_
f
Pu4ac Eduratinn&
Oid—b
�Ckan water Eduotien�
Aaftership[CWEP)
I
PubSr&nm•ympst&
PaNdjmtmn
L__ MESC
Cawriko.
_ql
UsUtar"
UCFe;tipn&
Et mh tfan -..........
Cmi0-6-Ste
---.-- Runa'r Cnrrtrals
Wake Cnunty Fnsian
&Sedonant.C-%-1
Pest-faalrrr�ianSM
RunD"Cantrok '
Voputk.Tr_uenrlen&
Geed Marse�pirq
t®MVM[ipal
Uperaba Pe o>Cmt•
Figure 3: Town of Morrisville Organizational Structure
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 12

Table 8: Summary of Responsible Parties
SWMP-NMS Responsible Position Staff Name Department
Component
Stormwater Program Stormwater Engineering
Ben Mills, P.E. Engineering
Administration Manager
SWMP-NMS Stormwater Engineering Ben Mills, P.E. Engineering
Management Manager
Public Education and Environmental Specialist Tony Victor Engineering
Outreach
Public Involvement Environmental Specialist Tong Victor Engineering
and Participation
Illicit Discharge
Detection and Environmental Specialist Tony Victor Engineering
Elimination
Construction Site Wake County
Runoff Control Sedimentation and Sean Springer Wake County
Erosion Control
Post-Construction
Stormwater Stormwater'Ertgineer Brad Gagnon Engineering
Management
Pollution
Prevention/Good
Housekeeping for Environmental Specialist Tony'Victor Engineering
Municipal Operations_,._: __
Municipal Facilities_
Operation and Environmental SpecialA Tony Victor Engineering
Maintenance Program
Spill Response Program Env eonmental Specialist Tony Victor Engineering
MS4�O 6ration and �SJtormwGt r,Engineering Ben Mills, P.E. Engineering
Maintenance Program Manager
1460icipal SCM : ...
t mwater Engineering
Open ion and Manager Ben Mills, P.E. Engineering
Maintenance Program
Pesticide, Herbicide,
and Fertilizer Environmental Specialist Tony Victor Engineering
Mana ement Program
Vehicle and Equipment Stormwater Engineering Ben Mills, P.E. Engineering
Cleaning Program Manager
Pavement Stormwater Engineering Ben Mills, P.E. Engineering
Management Program Manager
Total Maximum Daily Environmental Specialist Tony Victor Engineering
Load (TMDL)
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 13

4.2 Program Funding and Budget
In accordance with the issued permit, the Town of Morrisville shall maintain adequate funding
and staffing to implement and manage the provisions of the SWMP-NMS and comply with the
requirements of the NPDES MS4 Permit. The budget includes the permit administration and
compliance fee, which is billed by the Division annually.
The stormwater program is funded by a stormwater utility fee. The annual budget is
approximately $830,000.
4.3 Shared Responsibility
The Town of Morrisville will share the responsibility to imple fit the follo ing minimum control
measures, which are at least as stringent as the correspondrg NPDES MS4 Permit requirement.
The Town of Morrisville remains responsible for compli hce if the other entity',f 5 to perform
the permit obligation and may be subject to enforce action if neither the Tow Morrisville
F
nor the other entityfull performs the permit obli and Table 9below summarizes who will be
Y p p g� , � �. ._,
implementing the component, what the component OVq..gram is-called, the specific SWMP-NMS
BMP or permit requirement that is being met by the shared. responsibility, and whether or not a
legal agreement to share responsibility '§jn�
Table 9: 5,hared kesponsibilities
SWMP-NMS BMP or Permit Implementing Entity and Legal Agreement
Requirement Program Name (Y/N)
3.2.2 and 3.2.4 Outreach to )a get
Clean Water Education
Audiences, 3 3 2Volunteer Y
Opportunities
-Partnership (CWEP)
3.5.1 - 3.5.4 Wake'County Wake County Sedimentation Y
Delegated SPCA Program;: and Erosion Control
4.4 Co-Permittee
The'are ho other entities apying for co-permittee status under the NPDES MS4 permit number
NCS0064b5 for the Town of, Morrisville. Table 10 summarizes contact information for each co-
permittee.
Table 10: Co-Permittee Contact Information
Co-Permittee MS4 Contact Person Phone and E-Mail Interlocal Agreement
Name (Y/N)
N/A
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 14

4.5 Measurable Goals for Program Administration
The Town of Morrisville will manage and report the following Best Management Practices(BMPs)
for the administration of the Stormwater Management Program.
Table 11: Program Administration BMPs
2.1.2 Program Implementation
Permit Measures to evaluate the performance and effectiveness of the SWMP-NMS program components at
Ref. least annually. Results shall be used by the permittee to modify the program components as necessary
to accomplish the intent of the Stormwater Program.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Annual Self-Assessment
Evaluate the performance and
effectiveness of the program 1. prepare, conduct,
components at least annually. and document an 1.Annually - Permit
1• Results shall be used to modify
annual evaluation of Years 1 - 5 1. Yes/No
the program components as
necessary to accomplish the the program
intent of the Stormwater components
Program
Permit 1.6: Permit Renewal Application
Ref. Measures to submit a permit renewal application no later than 180 days prior to the expiration date of
the NPDES MS4 permit.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Permit Renewal Application
1. Draft SWMP-
NMS applicable to
the proceeding 5 1. Permit Year 5 1.Yes/No
years following
permit re-issuance
2. Certify the
Submit a permit renewal stormwater permit
2• application package and Draft renewal application
SWMP-NMS no later than 180 (permit renewal
days prior to permit expiration application form and 2. Date of permit
Draft SWMP-NMS 2. Permit Year 5 renewal application
for the next 5-year submittal
permit cycle) and
submit to NCDEQ at
least 180 days prior
to permit expiration
IJRAF i' NCS0004b5 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 15

Table 11: Program Administration BMPs
Permit Neuse Local Program:Adequate Funding and Staffing
Ref. Local Program activities to determine and maintain adequate funding and staffing to implement and
manage the provisions of the Local Program and meet all requirements of the Neuse Stormwater Rules.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Funding and Staffing Evaluation
Review of Annual Self- 1. Determine
Assessment to determine if whether additional
3 funding or staff time
more funding or staffing is 1gAnnually -- Permit'
needed to implement the are required to meet . `ears 1 _ 5 1. Yes/No
SWMP-NMS or the Neuse BMPs and if Neuse
Local Program Local Program
changes are needed.
2.2.2 Minimum Control Measures
Permit The Permittee shall maintain, and make available to the Division upon request, written procedures for
Ref. implementing the six minimum control measures.Written procedures shall identify specific action steps,
schedules, resources, and responsibilities for implementing the MCMs.Written procedures can be free
standingor,where appropriate, integrated into the Stormwater Management Plan
A B C D
BMP
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Minimum Control Measures
Create written procedures for " Create all required 1 Permit Year 1 1. Yes/No
implementing the six m' inimum ;written procedures
control measures.The thall
4. identify specific action steps,
2. Reviewl lf-written
schedules,,'resd.urces,and programs and 2.Annually - Permit
2. Yes/No
respopsIl ities`for -'update as needed Years 2-5
implementing the PICMs.
nRAR NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 16

Part 5: Public Education and Outreach Program
The Town of Morrisville will implement a Public Education and Outreach Program to distribute
educational materials to the community or conduct equivalent outreach activities about the
impacts of storm water discharges on water bodies and steps the public can take to reduce
pollutants in storm water runoff.
The target audiences and identified pollutants listed in Part 3.9 of this SWMP-NMS, which will
be addressed by the Public Education and Outreach Program, are summarized in Table 12 below.
In addition, the Town of Morrisville is required to inform businesses And the general public of the
hazards associated with illicit discharges, illegal dumping, and impi'apxdisposal of waste.
Table 12: Summary of Target Pollutants..and Audiences
Target Pollutants/Sources Target Audience(s)
Litter/Yard Waste Residential, Commercial/ Industrial, Schools, Municipal
Ope.r tions
PCBs Residential, Commercial/ Industrial
Nitrogen Residential, Commercialfindustrial, Municipal Operations
Sediment :Construction, Commercial/ Industrial, Municipal
Operations
Car Washing ResW(d ntial, Commercial/ Industrial, Schools, Municipal
perations
Fecal Coliform Sanitary Sewer Owners, Septic System Owners, Pet
Owners
Fertilizer/Pesticides/ Herbicides Residential,;;Commercial/ Industrial, Municipal Operations
Illicit Discharge711legal
Dumping/Improper Disposal of Resrdentiaj,. Commercial/ Industrial, Municipal Operations
Waste
The Tov n', f Morrisville will man49e :implement, and report the following Public Education and
Outroa`ch�BMPs.
NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 17

Table 13: Public Education and Outreach BMPs
3.2.2 and 3.2.4:Outreach to Targeted Audiences
Measures to identify the specific elements and implementation of a Public Education and Outreach
Program to share educational materials to the community or conduct equivalent outreach activities
Permit about the impacts of stormwater discharges on water bodies and how the public can reduce pollutants
Ref. in stormwater runoff.The permittee shall provide educational information to identified target audiences
on pollutants/sources identified in Table 12 above and shall document the extent of exposure of each
media, event, or activity, including those elements implemented locally or through a cooperative
agreement.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Partnership with Clean Water Education Partnership, EP)
1. Maintain legal
agreement with
CWEP and review
compliance with `�Y''`N
permit;requirements 1 annually - Permit 1. Yes/No/Status
and report if revision
as vVe1l'4s..reviewing Year5-1- 5 is required
to determine if
target":pollutants or
audiendes should.;bq:
revised
Continue to engage wfh
CWEP for educat on;and 2". Monitor CWEP
outreach initiatives that will be -activities to ensure
5. administered by CWEP.,, partnersh p; 2.Annually - Permit
Initiatives will focus on commitments are Years 1 - 5 2. Yes/No
resideritial, commercial, and met during annual
school'audiences.Target :pelf-assessment
o lutants will include se
listed in Tables 7 and 12
3. Provide public
education about yard 3. Annually - Permit 3.Yes/No
waste/leaf litter as a Years 1 - 5
target pollutant
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 18

Table 13: Public Education and Outreach BMPs
Town-Sponsored Event or Festival
1. Develop or
Conduct outreach activities identify educational
addressing impacts of materials for
stormwater discharges on residential, 1. Annually- Permit 1 Yes/No
water bodies, actions the commercial, or Years 1 - 5
public can take to reduce those school target
impacts, and overall audiences to
understanding of stormwater distribute or present
6. management issues. Outreach 2. Staff a booth at
activities include presentations, the one 2. Number of events,
booth set-ups, etc. through event/festival 2. Annually- Permit
educational programs or local chosen and `Years 1 -- 5 contact hours, and
events (e.g.,Spring lest or present/distribute.
aterials distributed
Morrisville's Green Day). the information
Outreach materials include 3. Distribute
stormwater hotline and information 3. Number of events,
website information on regarding Neuse i"Permit Year 2 contact hours, and
educational materials River Nitrogn to materials distributed
tar et;audren` es:.
Local Neuse Program Education and Outreach
Develop educational materials
1. Establsh;a
to target residents, developers, developer
ttormwat&'
7. and property owners ,resources section on
associations regarding-.the the website so 1. Permit Year 2 1. Yes/No
Local Neuse NitrogenPrggram,
including information about relevntmaterals
are easil y"aice essible
built-upon area (BUA) limits;` for developers
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 19

Table 13: Public Education and Outreach BMPs
2. Prepare
educational materials
for developers
specific to the
requirements of
Nutrient
Management 4
Strategy
implementation. f ;
Include information . Permit Year 2 2. Yes/No
on nutrient
calculation guidree,
minimum onsite
stormwater
requirements,
nutri.e. t.;targets, and
nutrient offset -
proce.dures
3: Post educatipp
and,information
resourees<;f�r
Property Owners
Associations and the
.'..general public 3' Permit Year 2 3. Yes/No
regarding BUA limits
and the need for
adequate SCM
maintenance on the
stormwater web
page
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 20

Table 13: Public Education and Outreach BMPs
2.1.7,3.2.3 and 3.6.5(c):Web Site
Measures to provide a web site designed to convey the program's message(s) and provide online
Permit materials including ordinances, or other regulatory mechanisms, or a list identifying the ordinances or
Ref. other regulatory mechanisms, providing the legal authority necessary to implement and enforce the
requirements of the permit and SWMP-NMS. The web page shall also provide developers with all
relevant post-construction requirements, design standards, checklists and/or other materials.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Stormwater Pages on Town Website
Continue to maintain the 1 Post the updated 1. Permit year 1 1. Report the date
stormwater web pages with SWMP and permit posted
information regarding relevant
ordinances, post-construction
requirements, design
8 standards,and resident- 2. Maintain the web
specific resources/programs. pages - update any 2 Annually - Permit
Provide a link to the MS4 broken links, upload Years 1 - 5 2. Yes/No
permit and SWMP and hotline new educational
number. Update ordinances material
and post-construction
requirements with local Neuse
Program Rules
Permit 3.2.5:Stormwater Hotline
Ref. Measures for a stormwater hotline/helpline for the purpose of public education and outreach.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Stormwater Hotline
1. Continue to
Continue to maintain the publicize hotline in
Stormwater hotline that allows materials developed 1.Annually- Permit
citizens to report illegal Years 1 - 5
for the stormwater 1. Yes/No
dumping into storm drainage program and posting
systems, streams, or other on stormwater web
9. stormwater related concerns. page
The hotline is advertised on the 2. Use Access
stormwater webpage. Develop Stormwater
and implement a method for Database to track 2.Annually - Permit 2. Number and type
documenting resolution of the number and type Years 1 - 5 of calls
complaints/illicit discharges of calls received and
document
resolutions of calls
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 21

Part 6: Public Involvement and Participation Program
This SWMP-NMS identifies the minimum elements and implementation of a Public Involvement
and Participation Program that complies with applicable State, Tribal and local public notice
requirements. The Town of Morrisville will manage, implement, and report the following public
involvement and participation BMPs.
Table 14: Public Involvement and Participation BMPs
Permit 3.3.1: Public Input
Ref. Mechanisms for public involvement that provide for input on stormwater issues and the stormwater
program.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Stormwater Pages on Town Website
Continue to maintain the
stormwater web pages with
information regarding relevant
ordinances, post-construction
requirements, design 1. Maintain the web
10. standards, and resident- pages - update any 1.Annually - Permit
specific resources/programs. broken links, upload 1. Yes/No
Provide a link to the MS4 new educational Years 5
permit and SWMP and hotline material
number. Update ordinances
and post-construction
requirements with Local Neuse
Program Rules (see BMP 8)
Stormwater Hotline
Maintain the stormwater
hotline for citizens to ask
stormwater questions and 1. Continue to
report stormwater issues. Train publicize hotline in
11, the hotline operator and materials developed 1. Annually - Permit
identify and train after-hours for the stormwater Years 1 - 5 1. Yes/No
personnel to direct stormwater program and posting
calls.The hotline number will on stormwater web
be advertised on the page
stormwater webpage(see BMP
9)
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 22

Table 14: Public Involvement and Participation BMPs
Permit 3.3.2:Volunteer Opportunities
Ref. Measures to provide volunteer opportunities designed to promote ongoing citizen participation.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Town-Sponsored Volunteer Opportunities
Plan and implement one Town- 1. Develop or
sponsored volunteer identify one
opportunity(in person or volunteer activity 1. Annually - Permit 1 Yes/No
virtually) such as stream that addresses a Years 1 - 5
cleanups and monitoring, NC target pollutant or
12 Big Sweep, or Earth Day pollutants
activities at least once a year.
Residential, commercial,and 2. Number of events,
school audiences will be 2. Coordinate and 2.Annually - Permit Participants, and
targeted with special emphasis host the activity Years 1 - 5 how many bags of
on civic groups, large waste collected (if
employers,and large trade applicable)
associations
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 23

Part 7: Illicit Discharge Detection and Elimination Program
The Town of Morrisville will develop, manage, implement, document, report and enforce an Illicit
Discharge Detection and Elimination Program which shall, at a minimum, include the following
illicit discharge detection and elimination BMPs.
Table 15: Illicit Discharge Detection and Elimination BMPs
3.4.1:MS4 Map
Permit Measures to develop, update and maintain a municipal storm sewer system map including stormwater
Ref. conveyances, flow direction, major outfalls and waters of the United States receiving stormwater
discharges.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Update MS4 Map
Continue to maintain the MS4
map with information including
stormwater conveyances, 1. Maintain a current
13. outfalls, and receiving waters. map showing major 1. Annually - Permit
Update the map annually with outfalls and receiving Years 1 - 5 1. Yes/No
newly identified or constructed streams
sto,•mwater infrastructure.
Update the map with Local
Neuse Program requirements
3.4.2: Regulatory Mechanism
Permit Measures to provide an IDDE ordinance or other regulatory mechanism that provides legal authority to
Ref. prohibit,detect,and eliminate illicit connections and discharges,illegal dumping,and spills into the MS4,
including enforcement procedures and actions.
BMP A B c D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Maintain Legal Authority
The Town's stormwater
ordinance(UDO Sec. 7.6.2 &
7.6.4) provides legal authority
14. to prohibit, detect,and 1. Maintain and 1. Annually - Permit
eliminate illicit connections and review IDDE 1. Yes/No
discharges, illegal dumping, and ordinance Years 1 - 5
spills into the MS4, including
enforcement procedures and
actions
L NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 24

Table 15: Illicit Discharge Detection and Elimination BMPs
3.4.3: IDDE Plan
Measures to maintain and implement a written IDDE Plan to detect and address illicit discharges, illegal
dumping and any non-stormwater discharges identified as significant contributors of pollutants to the
Permit MS4.The plan shall provide standard procedures and documentation to:
Ref. a) Locate priority areas likely to have illicit discharges,
b) Conduct routine dry weather outfall inspections,
c) Identify illicit discharges and trace sources,
d) Eliminate the source(s) of an illicit discharge,and
e) Evaluate and assess the IDDE Program.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
IDDE Plan Document
1. Develop a method
for identifying/
reporting illicit
discharges from 1. Permit Year 1 1. Yes/No
sanitary sewer
overflows or failing
septic systems
2. Develop criteria
for identifying
chronic violators and 2 permit Year 1 2. Yes/No
Develop comprehensive "hot spots" by
written IDDE SOP document owner/operator and
that reports inspection location
requirements, priority areas
15. and inspection frequencies,
illicit discharge identification 3. Identify priority 3. Permit Year 1 3.Yes/No
and tracking, methods to areas for inspections
resolve discharges and follow-
up, and evaluation and
a 4. Document outfall
assessment criteria
inspection 4. Number and
frequencies that 4. Annually -- Permit percent of outfalls
allows for 100% of Years 1 - 5 inspected
outfalls to be
inspected through (%/# completed)
permit cycle
5. Train staff to 5.Annually - Permit 5. Number of staff
perform inspections Years 1 - 5 trained
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 25

Table 15: Illicit Discharge Detection and Elimination BMPs
Annual IDDE Plan Evaluation
1. Evaluate the plan
with Town
Stormwater
Engineering
Perform an annual evaluation Manager. Review
16 of IDDE Plan implementation IDDE reports and 1.Annually - Permit
and effectiveness. Review inspections to 1. Yes/No
documentation to identify identify chronic Years 1 - 5
chronic violators violators, issues,
and/or"hot-spot"
areas according to
the criteria identified
in the IDDE Plan
3.4.4: IDDE Tracking
Permit Measures for tracking and documenting the date(s) an illicit discharge, illicit connection or illegal
Ref. dumping was observed,the results of the investigation,any follow-up of the investigation,the date the
investigation was closed, the issuance of enforcement actions, and the ability to identify chronic
violators.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Track and Document IDDE Investigations
17. Maintain the existing IDDE 1. Continue to track 1. Number of illicit
violations in the 1. Continuously
tracking database database discharges identified
DRAFT NC5000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 26

Table 15: Illicit Discharge Detection and Elimination BMPs
3.4.5:Staff IDDE Training
Measures to provide training for municipal staff and contractors who, as part of their normal job
Permit responsibilities, may observe an illicit discharge, illicit connection, illegal dumping, or spills.Training
Ref, shall include how to identify and report illicit discharges, illicit connections, illegal dumping,and spills.
Each staff training event shall be documented, including the agenda/materials, date, and number of
staff participatin .
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Staff Training
1. Continue to train
staff with Illicit
Continue to provide training to Discharge&petection
appropriate municipal staff of responsibilities or 1.Annually - Permit 1. Training date, and
indicators of potential illicit 18. discharges/ connections and the potential to Years 1 - 5 number of attendees illegal dumping and the discover an illicit
discharge during
appropriate avenues through routine work
which to report suspected illicit activities annually
discharge 2. Train new staff
that will a part of 2. During new staff 2. Number of
the IDDE program on-boarding attendees
3.4.6:1DDE Reporting
Permit Measures for the public and staff to report illicit discharges, illegal dumping, and spills. The mechanism
Ref. shall be publicized to facilitate reporting and shall be managed to provide rapid response by
a propriately trained personnel.
BMP A B C D
No, Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Stormwater Pages on Town Website
Continue to maintain the
stormwater web pages with
information regarding relevant
ordinances, post-construction
requirements, design 1. Maintain the web
19. standards, and resident- pages - update any 1 Annually - Permit
specific resources/programs. broken links, upload 1. Yes/No
Provide a link to the MS4 new educational Years 1 - 5
permit and SWMP and hotline material
number. Update ordinances
and post-construction
requirements with Local Neuse
Program Rules(see BMP 8)
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 27

Table 15: Illicit Discharge Detection and Elimination BMPs
Stormwater Hotline
Maintain the stormwater
hotline for citizens to ask
stormwater questions and 1. Continue to
report stormwater issues. Train publicize hotline in
20. the hotline operator and materials developed 1. Annually- Permit
identify and train after-hours for the stormwater Years 1 - 5 1.Yes/No
personnel to direct stormwater program and posting
calls.The hotline number will on stormwater web
be advertised on the page
stormwater webpage (see B M P
9)
:y
-4
g
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 28

Part 8: Construction Site Runoff Control Program
In accordance with 15A NCAC 02H .0153,the Town of Morrisville relies upon the North Carolina
Sedimentation Pollution Control Act (SPCA) of 1973 as a qualifying alternative program to meet
a portion of the NPDES M54 Permit requirements for construction site runoff control measures.
The SPCA requirements include reducing pollutants in stormwater runoff from construction
activities that result in land disturbance of greater than or equal to one:,acre and includes any
construction activity that is part of a larger common plan of development that would disturb one
acre or more. The state SPCA Program is either delegated to a city/..td n, delegated to a county,
or implemented by NCDEQ in non-delegated areas.
Table 16: Qualifying Alternative Program Componehig`for Construction Site
Runoff Control Program
Permit State or Local Legal Authority Implementing Entity
Reference Program Name
Wake County 15A NCAC Chapter 04,
3.5.1 - NCDEQ Approved`De le of on,
Delegated SPCA Wake County
3.5.4 program* Intedlocal Agreemenf&bit
Resolution, Local Ordinance
* The local delegated SPCA Program ordinances/regulatory nechanism(s) can be found at:
Wake Count - Sedimentation and Erosrfth,.Contedl.
The Town of Morrisville also implements the following BMN to meet NPDES MS4 Permit
requirements.
Table 17: Construction Site Runoff Control BMPs
Permit 3.5.6: Public Input
Ref. Measures to provide and promote a means for the public to notify the appropriate authorities of
observed erosion and sedimentation problems.
BMP A B C
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Municipal Staff Training
Train municipal staff who 1.Train stormwater
receive calls from the public on staff on proper
21 handling of
the protocols for referral and 1. Annually - Permit 1. Number of staff
tracking of construction site construction site Yeai s 1 - 5 trained
runoff control complaints vs. runoff control
illicit discharge reporting complaints vs. illicit
discharge reporting
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 29

Table 1.7: Construction Site Runoff Control BMPs
Stormwater Hotline and Alternative Reporting Methods
1. Continue to
publicize hotline in
Continue to provide and materials developed
promote the Stormwater for the stormwater 1. Annually - Permit 1 Yes/No
Hotline and link to the Wake program and posting Years 1 - 5
22. County sedimentation and on stormwater web
erosion control hotline to page
provide a method to notify the
appropriate authorities of 2. Publicize Wake
observed erosion and County's sediment
sedimentation problems hotline on 2. Permit Year 1 2. Yes/No
stormwater web
page
3.5.5:Waste Management
Permit Measures to require construction site operators to control waste such as discarded building materials,
Ref. concrete truck washout, chemicals, litter, and sanitary waste at the construction site that may cause
adverse impact to water quality.
BMP A B C D
No. Schedule for Anneal Reporting
Description of BMP Measurable Goal(s) Implementation Metric
The requirements are fully met by the Wake County Sedimentation and Erosion Control Program.
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 30

Part 9: Post-Construction Site Runoff Control Program
This SWMP-NMS identifies the minimum elements to develop, implement and enforce a program
to address stormwater runoff from new development and redevelopment projects that disturb
greater than or equal to one acre, including commercial or industrial projects less than one acre
or projects that are part of a larger common plan of development or sale, that are located within
the Town of Morrisville and discharge into the MS4. These elements are designed to minimize
water quality impacts utilizing a combination of structural SCMs and/or non-structural BMPs
appropriate for the community and ensure adequate long-term operation and maintenance of
SCMs.
This part of the Neuse Local Program identifies the elementskeing usedzto•.develop, implement,
and enforce a program to reduce nutrients in stormwater ru ':off from new development projects
and development expansions. These elements meet the requirements set forth in the Neuse
Stormwater Rule (15A NCAC 02B .0711).These elements are designed to minirAi e water quality
impacts through a combination of structural SCMs-and„nutrient offset buy-downs,land to ensure
adequate long-term operation and maintenance of SCNi.s.
In accordance with 15A NCAC 02H .0153 and .1017, the,-Torivn of Morrisville implements the
following State post-construction prograrnequirements, wh'c satisfy the NPDES Phase li MS4
post-construction site runoff control re&�fteoeos as Qualify! Alternative Programs (QAPs) in
the MS4 area(s) where they are implemented.
Table 18: Qualifying Alternative Program(s)for Post Construct[on Site Runoff Control Program
State QAP Name State Requirements Local Ordinance/ Regulatory
Mechanism Reference
Water Supply Watershed 15A NCAC 2B UDO Article 7
(WS-IV) 0620 - .0624;
Neuse River Basin 15A NCAC 2B 0235/
Nutrient Sens VVe.(NSW) UDO Update in Process
Managoment Sfrate y.
1.5A.NCAC 02B .0711
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 31

y

The post-construction program applies throughout the Town limits, but not the ETJ. The Neuse
Local Program applies to the portions of the town located in the Neuse River Basin. Built-upon
area (BUA) for new projects and BUA additions will be tracked by recording through EnerGov.
The Town of Morrisville has existing requirements other than Qualifying Alternative Programs)
for implementation of the NPDES Phase it MS4 post-construction program requirements. These
existing requirements are codified in local ordinance(s), and implementation is further defined in
guidance, manuals and/or standard operating procedure(s) as summarize,[„j.n Table 19 below.
Table :.9: Summary of Existing Post-Construction Prog� Elements
Permit Requirements for Municipal Ordinance/Code Reference(s) Date Adopted
Plan Review and Approval and/or Document Title(s)
3.6.2(a)Authority Sec. 7.2.2 (U,DO) 9/1/2020
3.6.3(a) & 15A NCAC
02H.0153(c) Federal, State & Sec. 7.1.4 (UDQ)JI Ord. No. 2016-004 :41; /2016
Local Projects
3.6.3(b) Plan Review Sec. 7.1.4 (UDO) / d. Nq 263 6-004 4/1/2016
3.6.3(c) Operations and Sec. 7.4.2.A (UDO) / Oed rFo. 2016-054 11/22/2016
Maintenance (O&M)Agreement
3.6.3(d) O&M Plan Sec 7442A:(UDO) / Ord `No 2016-054 11/22/2016
3.6.3(e) Deed ..�. . . ._:: _ . .
Restrictions/Covenants Sec_73.: (UDO) 9/1/2020
3.6.3(f)Access Easements Sec 748 (UQO} 9/1/2020
Permit Requirements for Municipal Ordinance/Code Reference(s) Date Adopted
Inspections and Enforcement and/or Document Title(s)
3.6.2(b) Documentan` Sec. 743.;& Sec. 7.4.6 (UDO) 9/1/2020
3.6.2(c) Right of Entry Sec:`74.3.A/B (UDO) 9/1/2020
3.6.4(a) Pre-CO Inspections Sec 7.2.3.D/E,.(U DO)004 Ord. No. 2016- 4/1/2016
3.6.4(b) Cornpl�ance With Plans Sec. 7.2.3.D (UDO) / Ord. No. 2016-004 4/1/2016
3.6.4(c)Anrfbal SCM IrisOections Sec. 7.4.1.B (UDO) 9/1/2020
3.6.4,( Low Density Inspections See BMP 35 See BMP 35
3 64(e),Qualified Professiog Sec. 7.4.1.B (UDO) 9/1/2020
Permit Requirements for Municipal Ordinance/Code Reference(s) Date Adopted
Fecal Coliform Reduction and/or Document Title(s)
3.6.6(a)'R.et Waste 77
See BMP 39 See BMP 39
3.6.6(b) On Situ;:©ofoest c NCGS 130A-335(e) 7/1/1982
Wastewater Treatment
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 33

The annual reporting metrics for the post construction program are provided in Table 20: Post
Construction Site Runoff Control BMPs below.
Table 20: Post Construction Site Runoff Control BMPs
Permit 3.6.5(a),3.6.5(b),and 4.1.3: Minimum Post-Construction Reporting Requirements
Ref. Measures to document activities over the course of the fiscal year (July 1 - June 30) including
appropriate information to accurately describe progress, status,and results.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goals) Implementation Metric
Standard Reporting
1. Track number of 1. Number of plan
low-density plan 1• Continuously - reviews performed
reviews performed Permit Years 1 - 5 for low density
2. Track number of 2. Continuously - 2. Number of plan
low-density plans permit Years 1 - 5 approvals issued for
approved low density
Implement standardized 3. Maintain a current
tracking, documentation, inventory of projects 3. Number and type
inspections, and reporting and constructed 3. Continuously - of SCMs added to
mechanisms to compile SCMs including SCM Permit Years 1 - 5 the inventory
23 appropriate data for the annual type, location, and
self-assessment process. Data last inspection date
shall be provided for each
Post-Construction/Qualifying
Alternative Program being 4. Track number of 4. Continuously - 4. Number of SCM
implemented as listed in Tables SCM inspections Permit Years 1 - 5 inspections
18 and 19 performed
5. Track number of
low-density 5. Continuously - 5. Number of low-
inspections Permit Years 1 - 5 density projects
performed
inspected
6. Track number of 6. Number of
low-density 6. Continuously -
enforcement actions Permit Years 1 - 5 enforcement actions
issued
taken
24. Standard Nutrient Management Strategy Reporting
DRAFT NC5000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 34

Table 20: Post Construction Site Runoff Control BMPs
1.Track number of 1.Number of plan
Implement standardized approvals issued for
NMS-subject plans 1. Continuously - NMS-subject
tracking, documentation, approved in past Permit Years 1 - 5
inspections and reporting developments in the
mechanisms to compile Year past year
appropriate data for the annual 2 Maintain a current 2. Number of
self-assessment process for the inventory of 2. Continuously - developments with
Neuse Nutrient Management developments and Permit Years 1 - BUA limits added to
Strategy(NMS) lots with BUA limits inventory in the past
year
Data Used in Nutrient Calculations
1. Nutrient
calculation input
data for all
1. Export SNAP developments and
input data from each 1. Continuously - expansions subject
Input data used for the development upon Permit Years 1 - 5 to the Neuse
calculation of nutrient export approval Stormwater Rule
and reduction by SCMs for all submitted to
25. development sites subject to NCDEQ by October
.0711 will be collected for the 30 of each year
year and submitted as an 2. Provide adjusted
appendix for the Local SNAP input data 2. Nutrient
Program's Annual Report from each 2.Annually - Permit calculation data for
development where Years 1 - 5 these developments
completed and a notice for
landcovers are which data are to be
different from what replaced
was permitted
Permit 2.3 and 3,6: Qualifying Alternative Program(s)
Ref. Measures to develop, implement and enforce additional BMPs in order to comply with the QAP state
program requirements.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goals) Implementation Metric
The QAP requirements are fully met by the existing QAP for post-construction,see references provided in
Table 18 and additional Neuse Local Program BMPs described herein.
riPAI,f NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 35

Table 20: Post Construction Site Runoff Control BMPs
3.6.2: Legal Authority
Measures to maintain adequate legal authorities through ordinance or Other regulatory mechanism to:
(a) review designs and proposals for new development and redevelopment to determine whether
Permit adequate stormwater control measures will be installed, implemented,and maintained, (b) request
Ref, information such as stormwater plans, inspection reports, monitoring results,and other information
deemed necessary to evaluate compliance with the Post-Construction Stormwater Management
Program,and (c) enter private property for the purpose of inspecting at reasonable times any facilities,
equipment, practices, or operations related to stormwater discharges to determine whether there is
compliance with the Post-Construction Stormwater Management Program.
BMP A B C D
No, Schedule for Annual Reporting
Description of BMP Measurable Goal(s) implementation Metric
Nutrient Management Strategy Requirements Specified in Ordinance
Adopt a Neuse Nutrient 1. Establish nutrient
26. Management Strategy through targets through
the Town's Unified ordinance 1. Permit Year 1 1.Yes/No
Development Ordinance revision
Authority to Review Federal,State,and Local Government Plans
1. Revise code to
require Federal,
Ensure local ordinance State, and local
specifically requires government projects
27. compliance with Nutrient to comply with post
Management Strategy by construction 1. Permit Year 1 1. Yes/No
Federal, State, and Localrequirements unless
government projects subject to its own
NPDES MS4 permit
or qualifying
alternative program
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 36

Table 20: Post Construction Site Runoff Control BMPs
Legal Authorities for Development Plans and Plan Review
Provide adequate legal
authorities designed to meet
the objectives of the Post-
Construction Site Runoff
Controls Stormwater
Management program,
including the ability to request
Stormwater plans, conduct 1. Establish legal
2B• development design reviews authority through 1. Permit Year 1 1. Yes/No
and approvals, review and code revision
approve O&M Plans and
Agreements for all SCMs,
requiring deed restrictions and
protective covenants for
SCMs, and requiring
recordation of BUA limits for
projects and individual lots
within
SCM Minimum Design Criteria Specified
Ensure the local ordinance or 1. Revise code to
29. local SCM design manual specify State
specifically refers to the State's Minimum Design 1. Permit Year 1 1. Yes/No
Minimum Design Criteria Criteria for SCM
design if required
3.6.3:Plan Review and Approval
Measures to maintain plan review and approval authority,standards and procedures to: (a) Require
Federal, State, and local government projects to comply with Post-Construction Program
requirements throughout the entire MS4 permitted area, unless the entity is subject to its own
NPDES MS4 permit or a qualifying alternative program,(b) Conduct site plan reviews of all new
development and redeveloped sites that disturb greater than or equal to one acre, and sites that
Permit disturb less than one acre that are part of a larger common plan of development or sale for
Ref. compliance.with 15A NCAC 02H .1017 and the qualifying alternative programs that apply within your
jurisdiction, (c) Ensure that each project has an Operation and Maintenance Agreement that complies
with 15A NCAC 02H .1050(12), (d) Ensure that each project has an Operation and Maintenance Plan
that complies with 15A NCAC 02H .1050(13), (e) Ensure that each project has recorded deed
restrictions and protective covenants, that require the project to be maintained consistent with
approved plans, and (f) Ensure that each SCM and associated maintenance accesses be protected in a
permanent recorded easement per 15A NCAC 02H 1050 (9)and (10).
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 37

Table 20: Post Construction Site Runoff Control BMPs
Review Federal, State,and Local Government Development Plans
Ensure development plans are
reviewed for any Federal, 1. Ensure review
30. State,and Local government process includes
projects within the jurisdiction, Federal, State, and 1. Permit Year 1 1.Yes/No
unless entity has its own MS4 Local Government
permit
Review Plans for Compliance with Nutrient Management Strategy
Conduct site plan reviews of all
new development and
development expansions for
compliance with the 1. Establish
31. stormwater treatment and application intake
nutrient reduction and review 1. Permit Year 1 1.Yes/No
requirements in 15A NCAC procedures
02B .0711 or.0731, including
reviews of nutrient calculations
using a DWR-approved
calculation tool
Require Recordation of BUA Limits on Deeds or Plats
Ensure that for lots in
developments with a Common
32 Plan of Development that a 1. Establish legal
BUA limit, based on the authority through 1. Permit Year 1 1.Yes/No
approved stormwater plan, is code revision
recorded with either the deed
or plat
Plan Review Staff Training on Nutrient Calculator Tool
1. All current plan
review staff 1. Number of review
participate in live 1. Permit Year 1 staff that attended
Ensure all plan review staff online training for live online training
33.
have gone through DWR- calculator tool
provided plan reviewer training
for the approved nutrient
calculator 2. Plan review staff 2. Number of review
who were unable to staff that viewed
attend live online 2.As Needed recording of training
workshop view that year
recording of training
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 38

Table 20: Post Construction Site Runoff Control BMPs
SCM Transfer Process
Ensure that each SCM 1. Continue to 1. Number of SCMs
reviewed has an Operation and review site plans for 1. Continuously permitted annually
Maintenance Agreement, an SCM compliance
34. Operation and Maintenance
Plan, appropriate recorded
deed restrictions and 2. Ensure annual
protective covenants, and a SCM inspections are 2 Annually - Permit
maintenance and accesses performed by the Years 1 - 5 2. Yes/No
easement appropriate
responsible party
3.6.4: Inspections and Enforcement
Measures to maintain inspection and enforcement authority, standards, and procedures to: (a)
Conduct post-construction inspections prior to issuing a Certificate of Occupancy or a Temporary
Permit Certificate of Occupancy. Alternatively,the project owner may provide a surety bond to guarantee
Ref compliance with the approved plan(s), (b) Ensure that the project has been constructed in accordance
with the approved plan(s), (c) Ensure annual inspection of each permitted SCM to ensure compliance
with the approved Operation and Maintenance Agreement, (d) Ensure inspection of low-density
projects at least once during the permit term, and (e) Require that inspections be conducted by a
qualified professional.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Low-Density Inspections
1. Revise code to
require inspection of
low-density projects 1. Code reference
at least once during 1. Permit Year 4 and date adopted
Revise existing ordinance to the permit term by a
35 specifically require inspection qualified
of low-density projects and professional
continue to require annual 2. Conduct
SCM inspections inspection of low- 2. Number of low-
density projects 2. permit Year 5 density inspections
once per a permit term and document performed
any follow-up
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 39

Table 20: Post Construction Site Runoff Control BMPs
3.6.5: Documentation
Measures to maintain adequate documentation and standardized inspection and tracking mechanisms
Permit to: (a) Maintain an inventory of post-construction SCMs and low-density projects,(b) Document,track
Ref. and maintain records of inspections and enforcement actions. Tracking shall include the ability to
identify chronic violators, and (c) Make available to developers all relevant ordinances, post-
construction requirements,design standards, checklists,and/or other materials.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Inventory of Low-Density Projects
36 Develop an inventory of low- 1. Establish list of 1. Number of low-
density projects to be utilized existing low-density 1. Permit Year 4 density projects
for inspections and tracking projects inventoried
Inventory of Developments and Lots with BUA Limits
Develop and maintain a 1. Establish a list of
comprehensive inventory of developments with 1. Permit Year 4 1. Yes/No
projects that have BUA limits BUA limits
tied to their stormwater
management or nutrient
loading requirements to be
used when reviewing new 2. Establish a list of
37• development plans. Develop
and maintain a database BUA parcels or lots with 2. Permit Year 4 2.Yes/No
BUA limits
limits on developments and
individual lots within, with BUA
limits based on their approved 3. Add developments
stormwater plans. Actual BUA and lots within to 3.Total number of
amounts are updated as new
development is approved for the list when project 3. Permit Years 4-5 developments and
and occurs on individual lots a is are lots
apppropro ved
Inspection Tracking
1. Establish
38. inspection tracking
mechanism for low- 1. Permit Year 4 1.Yes/No
density/BUA
tracking
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
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Table 20: Post Construction Site Runoff Control BMPs
Track the results of regular
post-construction SCM and 2. Continue to track
low-density/BUA inspections SCM inspections and 2 permit Years 4-5 2. Yes/No
to provide documentation and start tracking low-
the ability to identify chronic density inspections
violators
3.6.6: Fecal Coliform Reduction
Measures to control,to the maximum extent practicable,sources of fecal coliform per 15A NCAC
Permit 02H .1017(7). At a minimum, the program shall include: (a)A pet waste management component,
Ref. which may be achieved by revising an existing litter ordinance, and (b)An on-site domestic
wastewater treatment system component, if applicable, which may be coordinated with local county
health department,to ensure proper operation and maintenance of such systems.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Ordinance for Fecal Coliform Reduction
39 Adopt an appropriate 1. Establish legal
ordinance with a pet waste authority through 1. Permit Year 4 1. Yes/No
management component code revision
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 41

Part 10: Pollution Prevention and Good Housekeeping Programs
This SWMP-NMS provides a comprehensive pollution prevention and good housekeeping
strategy for the Town of Morrisville municipal facilities and operations. Pollution prevention and
good housekeeping is accomplished through the implementation of seven required programs,
which collectively address the ultimate goal of preventing or reducing pollutant runoff from
municipal operations such as parks and open space maintenance,fleet and,building maintenance,
new construction and land disturbances, and municipal storm sewer system maintenance.
Pollution prevention and good housekeeping for municipal open,his includes the following
programs:
1. Municipal Facilities O&M Program
2. Spill Response Program
3. M54 O&M Program
4. Municipal SCM O&M Program
S. Pesticide, Herbicide and Fertilizer Management;Program
6. Vehicle and Equipment Maintenance Program
7. Pavement Management Program
The Town of Morrisville will manage, imple"rri'ent, and report fh-6 pollution prevention and good
housekeeping BMPs as specified in Table 21 belovfor each required program.
Table 21: Pollution Prevention and Good Housekeeping BMPs
3.7.1: Municipal Facilities Operation and Maintenance Program
Measures to manage facilities that are owned and operated by the permittee and have the potential for
Permit generating polluted stormwater runoff. The permittee shall maintain a current inventory of municipal
Ref. facilities; perform facility inspections and routine maintenance; establish specific frequencies,
schedules, and standard documentation; provide staff training on general stormwater awareness and
implementing pollution prevention and good housekeeping practices
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Inventory of Municipal Facilities
Maintain an up-to-date 1. Maintain and
40. update inventory as
inventory of municipal facilities needed when 1• Annually - Permit 1. Yes/No
with potential to generate facilities are added Years 1 - 5
polluted runoff or closed
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
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Table 21: Pollution Prevention and Good Housekeeping BMPs
Facility Inspections
1. Establish an
SOP/plan for facility
Establish inspection inspections,
frequencies and continue to including an 1. permit Year 2 1. Yes/No
inspect Town-owned facilities inspection schedule,
41. with the potential to pollute inspection report
stormwater.Track corrective documentation, and
actions and document tracking system
resolutions when problems are 2. Perform
identified inspections 2.Annually - Permit Number of
in
according to the Years 1 - 5 inspections
performed
SOP/plan
Staff Training
Develop or identify a staff 1. Continue to
training program and provide
to public works department document a training
employees. Ensure training program for relevant
42• Town staff on 1.Annually - Permit 1. ?raining date and
targets litter/yard waste, pollution prevention Years 1 - 5 number of attendees
nitrogen, sediment, car and good
washing, housekeeping
fertilizer/pesticides/herbicides, practices
and illicit discharges
3.7.2:Spill Response Program
Permit Measures for facilities and operations that store and/or use materials that have the potential to
Ref. contaminate stormwater runoff if spilled.The permittee shall maintain written spill response procedures
and train staff on spill response procedures.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Inventory of Facilities with Spill Potential
Maintain a list of Town 1. Update list of
facilities and operations storing Town facilities and 1 When
43 materials that would be a operations with spill
necessitated by
pollutant if spilled and potential when 1.Yes/No
introduced to the stormwater facilities or changes in facilities
or operations
system and classify by hazard operations are
and quantity changed
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
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Table 21: Pollution Prevention and Good Housekeeping BMPs
Spill Response SOP
1. Train staff at
facilities with
Maintain spill response potential for high 1. Annually- Permit 1. Training date,and
procedures as part of the hazard spills in first Years 1 - 5 number of attendees
PPGH Plan and train staff on response actions and
44.
procedures as well as have an reporting procedures
organized vehicle spill cleanup
response to prevent pollutants 2.Annually review
from vehicular accidents from and update spill
entering the storm drain response SOP to 2. Annually- Permit
system identify new Years 1 - 5 2. Yes/No
polluting materials or
processes
3.7.3: MS4 Operation and Maintenance Program
Permit Measures to minimize pollutants in the stormwater collection system. The permittee shall provide
Ref. operation and maintenance staff training on stormwater awareness and pollution prevention, perform
MS4 inspections, maintain the collection system including catch basins and conveyances; and establish
specific frequencies, schedules, and standard documentation.
BMP A B C D
No. Description of BMP Measurable Goal(s) schedule for Annual Reporting
Implementation Metric
MS4 System Operation and Maintenance Plan
1. Develop an SOP
that includes
proactive inspection
Develop and maintain a schedules, standard 1 permit Year 1 1. Yes/No
proactive plan for MS4 system documentation, staff
maintenance, requiring regular responsibilities, and
45. inspections and maintenance. proper maintenance
Verify, document,and training
prioritize maintenance 2. Following
activities identified by 2. Perform regular schedule established 2. Number of
inspections or citizen reports inspections in in SOP, once SOP inspections
accordance with the and tracking system documented
SOP are established
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
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Table 21: Pollution Prevention and Good Housekeeping BMPs
3.7.4: Municipal SCM Operation and Maintenance Program
Permit Measures to manage municipally owned, operated, and/or maintained structural stormwater control
Ref. measures(SCMs)that are installed for compliance with the permittee's post-construction program.The
permittee shall maintain a current inventory of SCMs, perform SCM inspections and maintenance, and
shall establish specific frequencies,schedules,and documentation.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
SCM Inspections and Maintenance
1. Update the map N Y 1. Number of Town-
when new Town- I-Annually- Perm[i owned SCMs added
owned SCMs are `Years 1 -- 5
Maintain an inventory of constructed t he map
municipally owned structural 2. Maintain NCI`SCM
SCMs. Continue to perform Inspections and 2. Number of staff
46 and document regular Maintenance 2«C66tinuously members with active
inspection and maintenance of Certification for certification
municipally owned structural appfapriate
SCMs according to the O&M pers nnef
plans developed for all 3. Perform
municipally owned SCMs inspections and 3. Number of Town-
maintenance 3 Annually - Permit owned SCMs
Yearn 1 - 5
accordinjI6, } M inspected
plan for each�"CM
3.7.5: Pesticide, Herbicide and Fertilizer Management Program
Permit Measures to minimize water quality impacts from the use of landscape chemicals. The permittee shall
Ref. provide routine pollution prevention and chemical use, storage, and handling training, and shall ensure
compliance with permits and applicator certifications.
BMP A B C D
No, Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Applicator Licensing
1. Continue to
require staff training
in pollution 1.Annually - Permit 1. Number of staff
47 Continue to require City staff prevention and Years 1 - 5 trained
who apply landscape chemicals chemical use,
to maintain applicator licenses storage and handling
2. Maintain a list of
certified employees 2.Annually- Permit 2. Number of
and update annually Years 1 - 5 certified employees
to track certifications
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 45

Table 21: Pollution Prevention and Good Housekeeping BMPs
3. Maintain a list of
certified contractors 3.Annually - Permit 3. Number of
and update annually Years 1 - 5 certified contractors
to track certifications
3.7.6:Vehicle and Equipment Maintenance Program
Measures to prevent and minimize contamination of stormwater runoff from areas used for municipal
Permit vehicle and equipment maintenance and/or cleaning. The permittee shall ensure that municipal
Ref. industrial facilities subject to NPDES industrial permitting comply with those permit requirements,
provide routine pollution prevention training to staff, perform routine inspections,and establish specific
frequencies, schedules, and documentation.
BMP A B C D
No. Schedule for Annual Reporting
Description of BMP Measurable Goal(s) Implementation Metric
Vehicle and Equipment Maintenance Facility Inspection
1. Review industrial
Ensure NPDES industrial NPDES facilities
facilities comply with annually for
48. permitting requirements. industrial permit 1. Annually - Permit 1. Yes/No and any
Determine if Spill Prevention, compliance and note Years 1 - 5 changes required
Control,and Countermeasure if any changes to the
(SPCC) Plans are required for industrial plans or
any facility processes are
required
3.7.7: Pavement Management Program
Permit Measures to reduce pollutants in stormwater runoff from municipally owned streets,roads,and parking
Ref. lots within the permittee's corporate limits. The permittee shall implement measures to control litter,
leaves, debris, particulate and fluid pollutants associated with vehicles, and establish specific
fre uencies, schedules,and documentation.
BMP A B C D
No. Description of BMP Measurable Goal(s) Schedule for Annual Reporting
Implementation Metric
Street Sweeping
Maintain an agreement that 1. Develop an SOP,
includes street sweeping including a schedule 1. Permit Year 1 1.Yes/No
49• following a regular schedule in and plan to
order to reduce pollutants from document
Town maintained streets and 2. Implement SOP 2. Annually- Permit 2. Total tonnage or
parking lots and documentation Years 2 - 5 miles swept
Leaf Collection
Monitor leaf collection 1. Monitor leaf 1. Total number of
SB• activities by a public works 1.Annually -- Permit
collection contractor collections by
contractor and provide public activities Years 1 - 5 contractor
education about yard waste
DRAFT NCS000465 SWMP-NMS
Town of Morrisville
March 2, 2023
Page 46

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