NC0043532_ATC App_20180906

Ph W I <
WDICKSON
community infrastructure consultants
September 6, 2018
Ms. Julie Grzyb
Supervisor
NC NPDES Permitting
NC Department of Environmental Quality
1617 Mail Service Center
Raleigh, NC 27669-1617
RE: West Stanly Wastewater Treatment Plant Sanitary Sewer Improvements SRF#CS370834-04
Application for Authorization to Construct Permit
WK Dickson Project No. 20170316.00.CL
Dear Ms. Grzyb:
I am pleased to submit the Final Design Package for the West Stanly WWTP Sanitary Sewer
Improvements SRF # CS370834-04, for the Division's review and comment. Currently the West Stanly
WWTP operates under NPDES permit number NC0043532. This project includes improvements of
the McCoy Creek Pump Station, new headworks facility, the replacement of aerating and mixing
equipment in aeration basin, the removal of two 25' diameter secondary clarifiers and replacement
with one 75' diameter secondary clarifier, the removal and replacement of RAS pump station,
modifications to the chlorine contact chamber, and modifications to create sludge thickener. The
construction phase of the project is expected to take 9 months to complete.
This package is being submitted in accordance with the Bid and Design Document Submittal
Checklist and the Application for Authorization to Construct. Included in this submittal package is:
♦ one (1) complete set (as hard copies) of the sealed plans, specifications, and engineering
calculations
♦ one (1) complete set (as a digital copy) of the sealed plans, specifications, and engineering
calculations
♦ Signed Authorization to Construct Permit Application
616 Colonnade Drive
Charlotte, NC 28205
Tel. [phone]
www.wkdickson.com Aviation • Water Resources • Urban Development • Geomatics

Mebane Bridge WWTP Residuals Management System Rehabilitation
Page 2
Please do not hesitate to contact me with any questions or conunents at [phone] or
[e-mail].
Sincerely,
W.K. Dickson & Co., Inc.
j es "Jimmy" Holland
roject Manager
Enclosures
Cc: Brad Corcoran — City of Eden
Anita Reed — SRF Wastewater Unit Supervisor, NC DWI

State of North Carolina
Department of Environmental Quality
Division of Water Resources
Water Resources
ENVIRONMENTAL QUALITY APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
SECTION 1: INSTRUCTIONS AND INFORMATION
A. The Division of Water Resources will accept this application package for review only if all of the items are provided and the
application is complete. Failure to submit all of the required items will result in the application package being returned as incomplete
per 15A NCAC 02T .0105(b).
B. Plans and specifications must be prepared in accordance with 15 NCAC 02H. 0100, 15A NCAC 02T, North Carolina General Statute
133-3, North Carolina General Statute 143-215.1, and Division of Water Resources Minimum Design Criteria for NPDES
Wastewater Treatment Facilities.
C. The plans and specifications submitted must represent a completed final design that is ready to advertise for bid.
D. Any content changes made to this Form ATC -12-14 shall result in the application package being returned.
E. The Applicant shall submit ONE ORIGINAL and ONE DIGITAL COPY (CD) of the application, all supporting documentation and
attachments. All information must be submitted bound or in a 3 -ring binder, with a Section tab for each Section, except the
Engineering Plans.
F. Check the boxes below to indicate that the information is provided and the requirements are met.
G. If attachments are necessary for clarity or due to space limitations, such attachments are considered part of the application
package and must be numbered to correspond to the item referenced.
H. For any project that requires review under the State Environmental Policy Act (SEPA), an Authorization to Construct cannot be
issued prior to the completion of a State Clearinghouse advertisement period for a FONSI, EIS, etc. unless the project qualifies for
a Determination of Minor Construction Activity.
I. For more information, visit the Division of Water Resources web site at: https://deg.nc.gov/about/divisions/water-resources/water-
resources-permits/wastewater-branch/npdes-wastewater/authorization-to-construct.
J. In addition to this Authorization to Construct, the Applicant should be aware that other permits maybe required from other Sections
of the Division of Water Resources (for example: reclaimed water facilities permits; Class A or B biosolids residuals permit).
SECTION 2: APPLICANT INFORMATION AND PROJECT DESCRIPTION
A. APPLICANT
Applicant's name
Stanly County
Signature authority's name per 15A NCAC 02T .0106(b)
Donna Davis
Signature authority's title
Utilities Director
Complete mailing address
1000 N. First Street, Suite 12, Albemarle, North Carolina 28001
Telephone number
[phone]
Email address
[e-mail]
B. PROFESSIONAL ENGINEER
Professional Engineer's name
William B Keaton
Professional Engineer's title
Program Manager
North Carolina Professional Engineer's License No.
045626
Firm name
WK Dickson & Co., Inc.
Firm License number
F-0374
Complete mailing address
616 Colonnade Dr., Charlotte, NC 28205
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 1

Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
Telephone number [phone]
Email address [e-mail]
C. NPDES PERMIT
NPDES Permit number
NCO043532
Current Permitted flow (MGD) — include permit
0'9
flow phases if applicable
D. PROJECT DESCRIPTION
Provide a brief description of the project: This project includes a new headworks structure containing new automatic
combination coarse bar screen, grit removal, and chemical feed, replacement of aeration equipment in aeration basin to
independently aerate and mix, the removal of two 25' diameter clarifiers and replacement with one 75' diameter clarifier to
allow for secondary clarifier redundancy, and removal and replacement of RAS pump station allowing for independent
drawdown of sludge blankets.
SECTION 3: APPLICATION ITEMS REQUIRED FOR SUBMITTAL FOR ALL PROJECTS
A. Cover Letter
® The letter must include a request for the Authorization to Construct; the facility NPDES Number; a brief project description
that indicates whether the project is a new facility, facility modification, treatment process modification, or facility expansion;
the construction timeline; and a list of all items and attachments included in the application package.
❑ If any of the requirements of 15 NCAC 02H. 0100, 15A NCAC 02L North Carolina General Statute 133-3. North Carolina
General Statute 143-215.1, and Division of Water Resources Minimum Design Criteria for NPDES Wastewater Treatment
Facilities are not met by the proposed design, the letter must include an itemized list of the requirements that are not met.
B. NPDES Permit
® Submit Part I of the Final NPDES permit for this facility that includes Part (Effluent Limitations and Monitoring Requirements)
for the monthly average flow limit that corresponds to the work that is requested for this project.
C. Special Order by Consent
❑ If the facility is subject to any Special Orders by Consent (SOC), submit the applicable SOC.
® Not Applicable.
D. Finding of No Significant Impact or Record of Decision
❑ Submit a copy of the Finding of No Significant Impact or Record of Decision for this project.
❑ Provide a brief description of any of the mitigating factors or activities included in the approved Environmental Document
that impact any aspect of design of this project, if not specified in the Finding of No Significant Impact or Record of Decision.
® Not Applicable.
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 2

State of North Carolina
Department of Environmental Quality
Division of Water Resources
Water Resources
ENVIRONMENTAL QUALITY APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
E. Engineering Plans
® Per 15A NCAC 02T .0504(c)(1), submit one set of detailed plans that have been signed, sealed and dated by a North Carolina
Licensed Professional Engineer.
® Per 21 NCAC 56 .1103(a)(6), the name, address and License number of the Licensee's firm shall be included on each sheet of
the engineering drawings.
® Plans must be labeled as follows: FINAL DRAWING — FOR REVIEW PURPOSES ONLY— NOT RELEASED FOR CONSTRUCTION.
® 15A NCAC 02H .0124 requires multiple (dual at a minimum) components such as pumps, chemical feed systems, aeration
equipment and disinfection equipment. Is this requirement met by the design? ® Yes or ❑ No. If no, provide an
explanation:
Plans shall include:
® Plans for all applicable disciplines needed for bidding and construction of the proposed project (check as appropriate):
® Civil ❑ Not Applicable
® Process Mechanical ❑ Not Applicable
® Structural ❑ Not Applicable
® Electrical ❑ Not Applicable
❑ Instrumentation/Controls ® Not Applicable
❑ Architectural ® Not Applicable
❑ Building Mechanical ® Not Applicable
❑ Building Plumbing ® Not Applicable
® Plan and profile views and associated details of all modified treatment units including piping, valves, and equipment (pumps,
blowers, mixers, diffusers, etc.)
® Are any modifications proposed that impact the hydraulic profile of the treatment facility? ® Yes or ❑ No. If yes, provide
a hydraulic profile drawing on one sheet that includes all impacted upstream and downstream units. The profile shall include
the top of wall elevations of each impacted treatment unit and the water surface elevations within each impacted treatment
unit for two flow conditions: (1) the NPDES permitted flow with all trains in service and (2) the peak hourly flow with one
treatment train removed from service.
® Are any modifications proposed that impact the process flow diagram or process flow schematic of the treatment facility?
® Yes or ❑ No. If yes, provide the process flow diagram or process flow schematic showing all modified flow paths including
aeration, recycle/return, wasting, and chemical feed, with the location of all monitoring and control instruments noted.
F. ® Engineering Specifications
® Per 15A NCAC 02T .0504(c)(2), submit one set of specifications that have been signed, sealed and dated by a North Carolina
Licensed Professional Engineer.
® Specifications must be labeled as follows: FINAL SPECIFICATIONS — FOR REVIEW PURPOSES ONLY — NOT RELEASED FOR
CONSTRUCTION.
Specifications shall include:
® Specifications for all applicable disciplines needed for bidding and construction of the proposed project (check as
appropriate):
® Civil ❑ Not Applicable
® Process Mechanical ❑ Not Applicable
® Structural ❑ Not Applicable
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 3

Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
® Electrical ❑ Not Applicable
❑ Instrumentation/Controls ® Not Applicable
❑ Architectural ® Not Applicable
❑ Building Mechanical ® Not Applicable
❑ Building Plumbing ® Not Applicable
® Detailed specifications for all treatment units and processes including piping, valves, equipment (pumps, blowers, mixers,
diffusers, etc.), and instrumentation.
® Means of ensuring quality and integrity of the finished product including leakage testing requirements for structures and
pipelines, and performance testing requirements for equipment.
® Bid Form for publicly bid projects.
G. Construction Sequence Plan
® Construction Sequence Plan such that construction activities will not result in overflows or bypasses to waters of the State.
The Plan must not imply that the Contractor is responsible for operation of treatment facilities. List the location of the
Construction Sequence Plan as in the Engineering Plans or in the Engineering Specifications or in both: Page C.1 of drawings
H. Engineering Calculations
® Per 15A NCAC 02T .0504(c)(3), submit one set of engineering calculations that have been signed, sealed and dated by a North
Carolina Licensed Professional Engineer; the seal, signature and date shall be placed on the cover sheet of the calculations.
For new or expanding facilities and for treatment process modifications that are included in Section 4.C, the calculations shall
include at a minimum:
® Demonstration of how peak hour design flow was determined with a justification of the selected peaking factor.
® Influent pollutant loading demonstrating how the design influent characteristics in Section 4.13.2 of this form were
determined.
❑ Pollutant loading for each treatment unit demonstrating how the design effluent concentrations in Section 4.13.2 of this form
were determined.
❑ Hydraulic loading for each treatment unit.
❑ Sizing criteria for each treatment unit and associated equipment (blowers, mixers, pumps, etc.)
❑ Total dynamic head (TDH) calculations and system curve analysis for each pump specified that is included in Section 4.C.6.
❑ Buoyancy calculations for all below grade structures.
❑ Supporting documentation that the specified auxiliary power source is capable of powering all essential treatment units.
I. Permits
❑ Provide the following information for each permit and/or certification required for this project:
Permit/Certification
Not
Applicable
Date
Submitted
Date
Approved
Permit/
Certification
Number
If Not Issued Provide
Status and Expected
Issuance Date
Dam Safety
X
Soil Erosion and Sediment Control
X
USCOE / Section 404 Permit
X
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 4

Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
Water Quality Certification (401)
X
USCOE / Section 10
X
Stormwater Management Plan
X
CAMA
X
NCDOT Encroachment Agreement
X
Railroad Encroachment Agreement
X
Other:
X
J. Residuals Management Plan
❑ For all new facilities, expanding facilities, or modifications that result in a change to sludge production and/or sludge
processes, provide a Residuals Management Plan meeting the requirements of 15A NCAC 02T .0504(1) and 15A NCAC 02T
.0508; the Plan must include:
❑ A detailed explanation as to how the generated residuals (including trash, sediment and grit) will be collected, handled,
processed, stored, treated, and disposed.
❑ An evaluation of the treatment facility's residuals storage requirements based upon the maximum anticipated residuals
production rate and ability to remove residuals.
❑ A permit for residuals utilization or a written commitment to the Applicant from a Permittee of a Department approved
residuals disposal/utilization program that has adequate permitted capacity to accept the residuals or has submitted a
residuals/utilization program application.
❑ If oil, grease, grit or screenings removal and collection is a designated unit process, a detailed explanation as to how the
oil/grease will be collected, handled, processed, stored and disposed.
® Not Applicable.
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 5

State of North Carolina
Department of Environmental Quality
Division of Water Resources
Water Resources
ENVIRONMENTAL QUALITY APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
SECTION 4: PROJECT INFORMATION
A. WASTEWATER TREATMENT PLANT FLOW INFORMATION —COMPLETE FOR NEW OR EXPANDING FACILITIES
1. Provide the following flow information:
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 6
Plant Flows
Existing Plant Design
0.9 MGD
Current NPDES Permit Limit
0.9 MGD
Current Annual Average
(past 12 months)
0.445 MGD
For Past 12 Months:
Start Date: month/yr
End Date: month/yr
For Past 24 Months:
Start Date: month/yr
End Date: month/yr
Maximum Month
0.666 MGD
0.666 MGD
Maximum Day
2.037 MGD
2.409 MGD
Peak Hour
4.94 MGD
5.82 MGD
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 6

State of North Carolina
Department of Environmental Quality
Division of Water Resources
Water Resources
ENVIRONMENTAL QUALITY APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
B. WASTEWATER TREATMENT FACILITY DESIGN INFORMATION —COMPLETE FOR NEW OR EXPANDING FACILITIES AND
FOR TREATMENT PROCESS MODIFICATIONS
1. Have all of the requirements of 15 NCAC 02H. 0100, 15A NCAC 02T, North Carolina General Statute 133-31 North Carolina
General Statute 143-215.1, and Division of Water Resources Minimum Design Criteria for NPDES Wastewater Treatment
Facilities been met by the proposed design and specifications? ® Yes or ❑ No. If no, provide justification as to why the
requirements are not met, consistent with 15A NCAC 02T .0105(n):
2. Provide the design influent and effluent characteristics that are used as the basis for the project design, and the NPDES
permit limits for the following parameters:
3. Based on the "Project Basis of Design" parameters listed above, will the proposed design allow the treatment facility to
meet the NPDES Permit Limits listed above? ® Yes or ❑ No. If no, describe how and why the Permit Limits will not be
met:
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 7
Project Basis of Design
Design Influent
Design Influent
Influent
Concentration
Load
Concentration -
(Must be
(Must be
Current Annual
supported by
supported by
Design Effluent
Average (past
Engineering
Engineering
Concentration and/or
NPDES Permit Limits
12 months) if
Calculations
Calculations
Load
(monthly average)
Parameter
Available
[Section 3.H])
[Section 3.H])
Ammonia Nitrogen
3.0 mg/L Summer
3.0 mg/L Summer
(NH3-N)
35.6 mg/L
40 mg/L
300 Ib/day
6.0 mg/L Winter
6.0 mg/L Winter
Biochemical
9.0 mg/L Summer
9.0 mg/L Summer
Oxygen Demand
192.8 mg/L
250 mg/L
1877 Ib/day
(BODS)
18.0 mg/L Winter
18.0 mg/L Winter
Fecal Coliform
200 per 100 mL
200 per 100 mL
Nitrate + Nitrite
Nitrogen (NO3-N +
- mg/L
- mg/L
NO2-N)
Total Kjeldahl
N/A mg/L
Nitrogen
- mg/L
- mg/L
Total Nitrogen
-Ib/year
-Ib/year
- mg/L
- mg/L
Total Phosphorus
N/A mg/L
12 mg/L
90 Ib/day
-Ib/year
-Ib/year
Total Suspended
209.8 mg/L
250 mg/L
1877 Ib/day
30.0 mg/L
30.0 mg/L
Solids (TSS)
3. Based on the "Project Basis of Design" parameters listed above, will the proposed design allow the treatment facility to
meet the NPDES Permit Limits listed above? ® Yes or ❑ No. If no, describe how and why the Permit Limits will not be
met:
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 7

State of North Carolina
Department of Environmental Quality
Division of Water Resources
Water Resources
ENVIRONMENTAL QUALITY APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
4. Per 15A NCAC 02T .0505(1), by-pass and overflow lines are prohibited. Is this condition met by the design? ® Yes or ❑ No
If no, describe the treatment units bypassed, why this is necessary, and where the bypass discharges:
5. Per 15A NCAC 02T .0505(k), multiple pumps shall be provided wherever pumps are used. Is this condition met by the
design? ® Yes or ❑ No. If no, provide an explanation:
6. Per 15A NCAC 02T .0505(1), power reliability shall be provided consisting of automatically activated standby power supply
onsite capable of powering all essential treatment units under design conditions, or dual power supply shall be provided
per 15A NCAC 02H. 0124(2)(a). Is this condition met by the design? ® Yes or ❑ No. If no, provide (as an attachment
to this Application) written approval from the Director that the facility:
➢ Has a private water supply that automatically shuts off during power failures and does not contain elevated water
storage tanks, and
➢ Has sufficient storage capacity that no potential for overflow exists, and
➢ Can tolerate septic wastewater due to prolonged detention.
Per 15A NCAC 02T .0505(o), a minimum of 30 days of residual storage shall be provided. Is this condition met by the
design? ® Yes or ❑ No. If no, explain the alternative design criteria proposed for this project in accordance 15A NCAC
02T .105(n): The technology used to process wasted activated sludge is not changing and the existing residual storage will
be maintained throughout and after this project.
8. Per 15A NCAC 02T .0505(8 , the public shall be prohibited from access to the wastewater treatment facilities. Explain how
the design complies with this requirement: Facility enclosed within a security fence.
9. Is the treatment facility located within the 100 -year flood plain? ❑ Yes or ® No. If yes, describe how the facility is
protected from the 100 -year flood:
C. WASTEWATER TREATMENT UNIT AND MECHANICAL EQUIPMENT INFORMATION —COMPLETE FOR NEW OR
EXPANDING FACILITIES AND FOR MODIFIED TREATMENT UNITS
1. PRELIMINARY AND PRIMARY TREATMENT (i.e., physical removal operations and flow equalization):
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 8
No. ofPl
an Sheet
SReferencepecification
Calculations
Treatment Unit
Units
Type
Size per Unit
f
Reerence
Provided?
(Yes or No)
Manual Bar Screen
N/A
MGD at peak hourly flow
Mechanical Bar
1
Cylindrical
0.9 MGD at peak hourly flow
C.6/C.7
46 21 33
Screen
Rotating Rake
Grit Removal
1
Shafted Screw
0.9 MGD at peak hourly flow
C.6/C.7
46 21 33
Flow Equalization
N/A
--
gallons
Primary Clarifier
N/A
Circular
ft diameter; ft side
water depth
Primary Clarifier
N/A
Rectangular
square feet; ft side
water depth
Other
1
Chemical feed
Hopper: 1.6 ft3 and 75 -gallon
C.6/C.7
46 33 40
solution tank
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 8

Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
SECONDARY TREATMENT (BIOLOGICAL REACTORS AND CLARIFIERS) (i.e., biological and chemical processes to remove
organics and nutrients)
3. TERTIARY TREATMENT
No. of
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided?
(Yes or No)
Aerobic Zones/
N/A
Circular
gallons
Tanks
N/A
(Parallel; in
side water depth
Anoxic Zones/
N/A
Rectangular
gallons
Tanks
side water depth
Anaerobic
N/A
(Gas;
gallons
Zones/Tanks
N/A
tablet; liquid)
square feet
Sequencing Batch
N/A
--
gallons
Reactor (SBR)
N/A
-
gallons
Membrane
N/A
-
gallons
Bioreactor (MBR)
N/A
gallons
Secondary Clarifier
1
Circular
75 ft diameter; 14 ft sideC.15/C.16
46 43 21
water depth
Secondary Clarifier
N/A
Rectangular
square feet; ft
side water depth
Other
N/A
3. TERTIARY TREATMENT
4. DISINFECTION
No. of
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided?
(Yes or No)
Tertiary Clarifier
N/A
Circular
ft diameter; ft
Ultraviolet Light
N/A
(Parallel; in
side water depth
Tertiary Clarifier
N/A
Rectangular
square feet; ft
side water depth
Tertiary Filter
N/A
(Gas;
square feet
Tertiary Membrane
N/A
tablet; liquid)
square feet
Filtration
Post -Treatment
N/A
-
gallons
Flow Equalization
Post -Aeration
N/A
gallons
Other
N/A
4. DISINFECTION
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 9
No. of
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided?
(Yes or No)
gal/day per bank at
Ultraviolet Light
N/A
(Parallel; in
peak hourly flow;
series)
number of banks;
number of lamps/bank
Chlorination
N/A
(Gas;
gallons of contact
tablet; liquid)
tank/unit
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 9

Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
Dechlorination
N/A
(Gas;
gallons of contact
Plan Sheet
Specification
Calculations
Treatment Unit
Units
tablet; liquid)
tank/unit
Reference
Reference
Provided?
5. RESIDUALS TREATMENT
6. PUMP SYSTEMS (include influent, intermediate, effluent, major recycles, waste sludge, thickened waste sludge and plant
drain pumps)
Location
No. of
Purpose
Type
Plan Sheet
Specification
Calculations
Treatment Unit
Units
Type
Size per Unit
Reference
Reference
Provided?
23
C.17
44 42 59
(Yes or No)
Gravity Thickening
N/A
square feet; ft side
Tank
water depth
Mechanical
Thickening/
N/A
dry Ib/hour
Dewatering
Aerobic Digestion
N/A
gallons
Anaerobic
N/A
gallons
Digestion
Composting
N/A
dry Ib/hour
Drying
N/A
dry Ib/hour
Other
N/A
6. PUMP SYSTEMS (include influent, intermediate, effluent, major recycles, waste sludge, thickened waste sludge and plant
drain pumps)
Location
No. of
Pumps
Purpose
Type
Capacity of
each pump
plan Sheet
Reference
Specification
Reference
GPM
I TDH
RAS Pump Station
3
RAS
Suction Lift
650
23
C.17
44 42 59
7. MIXERS
Location
No. of
Mixers
Purpose
Type
Power of
each Mixer
(HP)
plan Sheet
Reference
Specification
Reference
Aeration Basin
8
Mixing/Aeration
Floating
Aerator/Mixer
10
C.12/C.13
46 41 26
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 10

Water Resources
ENVIRONMENTAL QUALITY
8. BLOWERS
State of North Carolina
Department of Environmental Quality
Division of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
Location
No. of
Blowers
purpose
Type
Capacity of
each Blower
(CFM)
plan Sheet
Reference
Specification
Reference
Aeration Basin
8
Mixing/Aeration
Floating
7
C.12/C.13
46 41 26
Below
Any habitable residence or place of assembly under separate
100 ft
® Yes
❑ No
ownership or not to be maintained as part of the project site
Any private or public water supply source
100 ft
® Yes
❑ No
Surface waters (streams — intermittent and perennial, perennial
50 ft
® Yes
❑ No
waterbodies, and wetlands)
Any well with exception of monitoring wells
100 ft
® Yes
❑ No
Any property line
50 ft
❑ Yes
9. ODOR CONTROL
Location
No. of
Units
Purpose
Type
Plan Sheet
Reference
Specification
Reference
N/A
Treatment/Storage
Design? If "No", identify
Unit
Setback Waivers in Item D.2
Below
Any habitable residence or place of assembly under separate
100 ft
® Yes
❑ No
ownership or not to be maintained as part of the project site
Any private or public water supply source
D. SETBACKS —COMPLETE FOR NEW WASTEWATER TREATMENT STRUCTURES
The minimum distance for each setback parameter to the wastewater treatment/storage units per 15A NCAC 02T .0506(b
are as follows:
2. Have any setback waivers been obtained per 15A NCAC 02T .0506(d)? ® Yes or ❑ No. If yes, have these waivers been
written, notarized and signed by all parties involved and recorded with the County Register of Deeds? ❑ Yes or ❑ No. If
no, provide an explanation: In the process of obtaining setback waivers that will modify setback from required 50 feet to 37
feet from the proposed headworks to the property line.
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 11
Minimum Distance
Is Minimum Distance
Required from Nearest
Requirement met by the
Setback Parameter
Treatment/Storage
Design? If "No", identify
Unit
Setback Waivers in Item D.2
Below
Any habitable residence or place of assembly under separate
100 ft
® Yes
❑ No
ownership or not to be maintained as part of the project site
Any private or public water supply source
100 ft
® Yes
❑ No
Surface waters (streams — intermittent and perennial, perennial
50 ft
® Yes
❑ No
waterbodies, and wetlands)
Any well with exception of monitoring wells
100 ft
® Yes
❑ No
Any property line
50 ft
❑ Yes
®No
2. Have any setback waivers been obtained per 15A NCAC 02T .0506(d)? ® Yes or ❑ No. If yes, have these waivers been
written, notarized and signed by all parties involved and recorded with the County Register of Deeds? ❑ Yes or ❑ No. If
no, provide an explanation: In the process of obtaining setback waivers that will modify setback from required 50 feet to 37
feet from the proposed headworks to the property line.
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 11

State of North Carolina
Department of Environmental Quality
sion of Water Resources
Water Resources
ENVIRONMENTAL QUALITY APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC42-14)
SECTION 5: APPLICATION CERTIFICATION BY PROFESSIONAL ENGINEER
Professional Engineer's Certification per 15A NCAC 02T .0105:
I, William B Keaton, P.E., attest that this application package for an Authorization to Construct
(Typed Name of Professional Engineer)
for the West Stanly Wastewater Treatment Plant Sanitary Sewer Improvements SRF # CS370834-04
(Facility and Project Name)
was prepared under my direct supervisory control and to the best of my knowledge is accurate, complete and consistent
with the information supplied in the engineering plans, specifications, calculations, and all other supporting
documentation for this project. I further attest that to the best of my knowledge the proposed design has been
prepared in accordance with all applicable regulations and statutes, 15 NCAC 02H. 01001 15A NCAC 02T, North Carolina
General Statute 133-3, North Carolina General Statute 143-215.1, and Division of Water Resources Minimum Design
Criteria for NPDES Wastewater Treatment Facilities, and this Authorization to Construct Permit Application, except as
provided for and explained in Section 4.13.1 of this Application. I understand that the Division of Water Resources'
issuance of the Authorization to Construct Permit may be based solely upon this Certification and that the Division may
waive the technical review of the plans, specifications, calculations and other supporting documentation provided in this
application package. I further understand that the application package may be subject to a future audit by the Division.
Although certain portions of this submittal package may have been prepared, signed and sealed by other professionals
licensed in North Carolina, inclusion of these materials under my signature and seal signifies that I have reviewed the
materials and have determined that the materials are consistent with the project design.
I understand that in accordance with General Statutes 143-215.6A and 143-215.66, any person who Knowingly makes
any false statement, representation, or cercation in any application package shall be guilty of a Class 2 misdemeanor,
which may include a fine not to exceed $10,000, as well as civil penalties up to $25,000 per violation.
North Carolina Professional Engineer's seal with written signature placed over or adjacent to the seal and dated:
oe of es /0 �0�0
_
2:•a SEAL y
04562
!1111►��\\`
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 12

Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina
Department of Environmental Quality
sion of Water Resources
APPLICATION FOR AUTHORIZATION TO CONSTRUCT PERMIT (FORM ATC -12-14)
SECTION 6: APPLICATION CERTIFICATION BY APPLICANT
Applicant's Certification per 15A NCAC 02T .0106(b1a
I, Donna Davis, attest that this application package for an Authorization to Construct
(Typed Name of Signature Authority and Title)
for the West Stanly Wastewater Treatment Plant Sanitary Sewer Improvements SRF # CS370834-04
(Facility and Project Name)
has been reviewed by me and is accurate and complete to the best of my knowledge. I also understand that if all
required parts of this application package are not completed and that if all required supporting information and
attachments are not included, this application package will be returned to me as incomplete. I further certify that in
accordance with 15A NCAC 02T .0120(b), the Applicant or any affiliate has not been convicted of environmental crimes,
has not abandoned a wastewater facility without proper closure, does not have an outstanding civil penalty where all
appeals have been abandoned or exhausted, are compliant with any active compliance schedule, and does not have any
overdue annual fees.
I understand that the Division of Water Resources' issuance of the Authorization to Construct Permit may be based
solely upon acceptance of the Licensed Professional Engineer's Certification contained in Section 5, and that the Division
may waive the technical review of the plans, specifications, calculations and other support
ing documentation provided
in this application package. I further understand that the application package may be subject to a future audit.
I understand that in accordance with General Statutes 143-215.6A and 143-215.66 any person who knowingly makes
any false statement, representation, or certification in any application package shall be guilty of a Class 2 misdemeanor,
which may includes fine not to exceed $10,000, as well as civil penalties up to $25,000 per violation.
Signature:
Date: %—;:?/- /8
THE COMPLETED APPLICATION AND SUPPORTING INFORMATION SHALL BE SUBMITTED TO:
NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES/NPDES
By U.S. Postal Service By Courier/Special Delivery:
1617 MAIL SERVICE CENTER 512 N. SALISBURY STREET, 9TH FLOOR
RALEIGH, NORTH CAROLINA 276994617 RALEIGH, NORTH CAROLINA 27604
TELEPHONE NUMBER: [phone]
Application for Authorization to Construct Permit (FORM ATC -12-14) Page 13

North Carolina Department of Environmental Quality
Division of Water Infrastructure
BID AND DESIGN DOCUMENT SUBMITTAL CHECKLIST
(Form PS -SUBMITTAL -05/18)
SECTION 1: INSTRUCTIONS AND INFORMATION
A. The Division of Water Infrastructure will accept a submittal package for review only if all of the items are provided and the
submittal is complete. Failure to submit all of the required items may result in an inability to meet funding deadlines and
subsequent loss of funding assurance.
B. The submittal shall include a completed copy of this submittal checklist, one copy of plans and specifications, and all supporting
documentation and attachments. All supporting information should be submitted bound or placed in a 3 -ring binder.
C. Check the boxes below to indicate the information is provided and the requirements are met.
D. Plans and specifications must be prepared in accordance with North Carolina General Statute 133-3 and North Carolina General
Statute 143-215.1.
E. The plans and specifications submitted must represent a completed final design that is ready to advertise for bid.
SECTION 2: CONTACT INFORMATION
A. Owner Information
Owner
Stanly County
Name of Owner's Authorized Representative
Donna Davis
Title
Utilities Director
Complete mailing address
1000 N. First Street, Suite 12, Albemarle, North Carolina 28001
Telephone number
[phone]
Email address
[e-mail]
B. Professional Engineer Information
Professional Engineer's name
William B Keaton
North Carolina Professional Engineer's License No.
045626
Firm name
WK Dickson & Co., Inc.
Firm License number
F-0374
Complete mailing address
616 Colonnade Dr., Charlotte, NC 28205
Telephone number
[phone]
Email address
[e-mail]
Form PS -SUBMITTAL -05/18 Page 1

SECTION 3: PROJECT INFORMATION
A. Project Title
West Stanly WWTP Improvements
B. Project Description
Please provide a full description of the project. This description should be similar or identical to what is imbedded in the
Summary of Work section of the specifications. Include all changes to the existing system (demolition, rehabilitation, additions,
etc.):
This project includes a new headworks structure that includes new automatic combination coarse bar screen, grit removal, and
chemical feed. This project also includes the replacement of aeration equipment in aeration basin to independently aerate and
mix, the removal of two 25' diameter clarifiers and replacement with one 75' diameter clarifier to allow for second clarifier
redundancy, and finally removal and replacement of RAS pump station allowing for independent drawdown of sludge blankets.
® Does the Project design match the Engineering Report/Environmental Information Document (ER/EID) Approval Letter,
Categorical Exclusion (CE), Finding of No Significant Impact (FONSI), or issued Record of Decision (ROD)? ® Yes ❑ No.
If no, clearly describe any portions of the design that vary from the approved documents and the reasons for the
differences. Several modifications were made to the design specified in the ER/EID. THE ER/EID specified that the grit
removal system at the McCoy Creek Pump Station would be removed and replace with a hydraulic scour to prevent solids
from settling. The design presented with this application calls for leaving the grit removal in place. The ER/EID also
recommends the implementation of an MILE process in the aeration basin. The MILE Process requires anoxic and aerobic
zones within the aeration basin. The new aerating and mixing equipment that is being installed will allow for the
independent aeration and mixing which could be used to establish anoxic and aerobic zones. This flexibility will allow the
operator to implement which conditions will be best for the biological treatment of the wastewater.
The ER/EID also specified that the new headworks equipment would allow for a direct connection to the screening
equipment for small tankers to discharge septage to the WWTP. While a direct connections is no longer specified it will be
possible for small tankers to discharge into the headworks influent combination box.
The ER/EID also specified that the sludge dewatering process was adequate. Since that time operators have had difficulties
in wasting enough sludge to fill the large aerobic sludge digester. Dewatering from a partially filled aerobic sludge digester
is difficult and inefficient; therefore the existing sludge pump station wetwell (which is no longer in service) will be modified
to serve as sludge dewatering. Waste activated sludge will enter the sludge pump station wet well first where it will be
decanted prior to being discharged into aerobic sludge digester. This will allow for greater sludge decentering efficiency
and allow more solids to be wasted as necessary.
The ER/EID state that in-house modification would be made to the chlorine contact basin, however the needed
modifications will require skilled labor outside the skill set of the operators. These modifications include concrete work to
change the internal configuration of the basin creating two parallel trains, moving chlorine and dechlorination feed points
thus increasine chlorine contant time while still maintainine the reauired dechlorination contact time.
Note: based upon the scope of differences, an Amendment to the ER/EID or CE, FONSI, or ROD may be required.
SECTION 4: INFORMATION REQUIRED FOR ALL PROJECT TYPES
Form PS -SUBMITTAL -05/18 Page 2

A. For Wastewater Treatment Plant projects:
® Complete Attachment A, filling out specific information regarding this project
B. For Sewer Infrastructure projects:
❑ Complete Attachment B, filling out specific information regarding this project
C. For Drinking Water projects:
❑ Complete Attachment C, filling out specific information regarding this project
D. Permits
❑ Provide copies of all permits and/or certifications that are required for this project as identified below.
*Provide application if not issued as of date of submittal of this package.
❑ If no, clearly describe any portions of the design that vary from the Permit and the reasons for the differences.
Note: Based upon the scope of differences, a permit revisions may be required.
Form PS -SUBMITTAL -05/18 Page 3
vDoes
this Permit match the
o
i
If Not Issued Provide
Design Documents for this
0 °-
o CL
" 3
co
m a
Status and Expected
Project as Submitted for
Permit/Certification
Z a
in H
C a
Issuance Date
Review?
September 7,
® Yes ❑ No
Authorization to Construct*
2018
CAMA
X
❑ Yes ❑ No
Dam Safety
X
❑ Yes ❑ No
NCDOT Encroachment
❑ Yes ❑ No
Agreement
X
NPDES
X
❑ Yes ❑ No
Railroad Encroachment
❑ Yes ❑ No
Agreement
X
Sewer Extension*
X
❑ Yes ❑ No
Soil Erosion and Sediment
X
❑ Yes ❑ No
Control
Stormwater Management
X
❑ Yes ❑ No
Plan
USCOE/Section 10
X
❑ Yes ❑ No
USCOE/Section 404 Permit
X
❑ Yes ❑ No
Water Quality Certification
X
❑ Yes ❑ No
401
Other:
X
❑ Yes ❑ No
*Provide application if not issued as of date of submittal of this package.
❑ If no, clearly describe any portions of the design that vary from the Permit and the reasons for the differences.
Note: Based upon the scope of differences, a permit revisions may be required.
Form PS -SUBMITTAL -05/18 Page 3

E. Easements
❑ Provide status of all easements required for completion of this project. ® Not Applicable.
F. Cost Estimate
® For all project components provide a project line -item cost estimate that has been prepared or updated not more than 60
days prior to submittal of this package. This estimate should be at least as detailed as the bid form in the specifications.
® Does the project design include any bid alternates? ® Yes ❑ No.
® If yes, provide a separate project line -item cost estimate for each bid alternate.
G. Engineering Plans
® Submit one set of detailed plans that have been signed, sealed and dated by a North Carolina Licensed Professional Engineer
on each sheet of the engineering drawings.
® Per 21 NCAC 56 .1103(a)(6), the name, address and License number of the Licensee's firm shall be included on each sheet of
the engineering drawings.
® Plans must be labeled as follows: FINAL DRAWING — FOR REVIEW PURPOSES ONLY— NOT RELEASED FOR CONSTRUCTION.
® The cover sheet of the plans must contain the CDBG, SRF, SRL, SEL, and/or State Grant Project Number.
® Plans shall include all applicable disciplines needed for bidding and construction of the proposed project.
H. ® Engineering Specifications
® Submit one set of specifications that have been signed, sealed and dated by a North Carolina Licensed Professional Engineer.
® Specifications must be labeled as follows: FINAL SPECIFICATIONS — FOR REVIEW PURPOSES ONLY — NOT RELEASED FOR
CONSTRUCTION.
® The cover sheet of the specifications must contain the SRF, SRL, SEL, and/or State Grant Project Number.
® A reasonable subsurface investigation must be made available to the contractor. If it is not included in the specifications,
the specifications must advise where a copy of the report can be observed.
® Specifications shall include all applicable disciplines needed for bidding and construction of the proposed project.
® Contract duration
❑ Applicable encroachment agreements (NCDOT, railroad, utilities, etc.)
® Advertisement for Bids
® Information for Bidders
® Bid Form
➢ Are portions of the project ineligible for CDBG, SRF, SRL, SEL, and/or State Grant funds? ❑ Yes or ❑ No. If yes, the bid
form must clearly identify and break out separately the eligible and ineligible items.
® Bid Bond
® Agreement
® Payment Bond
® Performance Bond
® Notice of Award with lines for signatures of the Owner and the Contractor (cannot substitute signature by Engineer)
® Notice to Proceed with lines for signature of the Owner and the Contractor (cannot substitute signature by Engineer)
® Change Order Form
® General Conditions
® Special Conditions
For SRF and State funded projects only:
® MBE/WBE (DBE) Compliance Supplement
Additional for SRF funded projects only:
® Davis -Bacon Specifications
® Wage Determination Schedule
® American Iron and Steel Provisions
Form PS -SUBMITTAL -05/18 Page 4

For CDBG funded projects only:
❑ MBE/WBE Compliance Instruction and Forms
❑ Contractor Table CDBG-I MBE/WBE
❑ Advertisement for Bids
❑ Statement encouraging Historically Underutilized Businesses (HUB) to submit bids/proposals
❑ Statement encouraging Minority/Women Owner Businesses to submit bids/proposals
❑ Section 3 Clause
❑ Contractor's Section 3 Plan Template
❑ Labor Standard provisions
❑ Davis -Bacon Wage Determination
❑ Contract Provisions
❑ Certificate of Eligibility
❑ Employment and Contracting Opportunities Commitment
❑ Copy of all applicable State and Federal permits included in the specifications
Form PS -SUBMITTAL -05/18 Page 5

SECTION 5: SUBMITTAL SIGNATURE
I, Donna Davis, attest that this submittal package for the
(Typed Name)
West U" Y. Wastewater Treatment Plant Sanitary Sewer Improvements SRF # CS370834 04
(Facility and Project Name)
is to the best of my knowledge accurate, complete and consistent with the information supplied in the engineering plans,
specifications, calculations, and all other supporting documentation for this project including the Engineering Report/Environmental
Information Document (ER/EID) Approval Letter, Categorical Exclusion (CE), Finding of No Significant Impact (FONSI), or issued
Record of
Signature:
Title:
Y
SECTION 5: SUBMITTAL MAILING ADDRESSES
THE COMPLETED SUBMITTAL CHECKLIST, PLANS AND SPECIFICATIONS, AND SUPPORTING INFORMATION SHALL BE SUBMITTED TO:
DIVISION OF WATER INFRASTRUCTURE
By U.S. Postal Service BV Courier/Special Delivery:
1633 MAIL SERVICE CENTER S12 N. SALISBURY STREET, STH FLOOR
RALEIGH, NORTH CAROLINA 276994633 RALEIGH, NORTH CAROLINA 27604
TELEPHONE NUMBER: [phone]
Form PS -SUBMITTAL -05/18 Page 5

ATTACHMENT A
INFORMATION REQUIRED FOR WASTEWATER TREATMENT PLANT INFRASTRUCTURE PROJECTS
(New, Expanding, Replacement, and Rehabilitation)
Submit a copy of the Authorization -to -Construct or application, if required for the project.
A. Engineering Plans
® Plan and profile views and associated details of all modified treatment units including piping, valves, and equipment
(pumps, blowers, mixers, diffusers, electrical, etc.)
❑ Are any modifications proposed that impact the hydraulic profile of the treatment facility? ® Yes ❑ No. If yes, provide a
hydraulic profile drawing on one sheet that includes all impacted upstream and downstream units. The profile shall include
the top of wall elevations of each impacted treatment unit and the water surface elevations within each impacted
treatment unit for two flow conditions: (1) the NPDES permitted flow with all trains in service and (2) the peak hourly flow
with one treatment train removed from service.
❑ Are any modifications proposed that impact the process flow diagram or process flow schematic of the treatment facility?
® Yes ❑ No. If yes, provide the process flow diagram or process flow schematic showing all modified flow paths including
aeration, recycle/return, wasting, and chemical feed, with the location of all monitoring and control instruments noted.
B. Engineering Specifications
® Detailed specifications for all treatment units and processes including piping, valves, equipment (pumps, blowers, mixers,
diffusers, electrical, etc.), and instrumentation.
® Means of ensuring quality and integrity of the finished product including leakage testing requirements for structures and
pipelines, and performance testing requirements for equipment.
C. Construction Sequence Plan
® Construction Sequence Plan such that construction activities will not result in overflows or bypasses to waters of the State.
The Plan must not imply that the Contractor is responsible for operation of treatment facilities. List the location of the
Construction Sequence Plan as in the Engineering Plans or in the Engineering Specifications or in both: Construction
sequence plan as in the Engineering Plans.
D. Engineering Calculations
® Submit one set of engineering calculations that have been signed, sealed and dated by a North Carolina Licensed
Professional Eneineer.
The calculations shall include at a minimum:
❑ Demonstration of how peak hour design flow was determined with a justification of the selected peaking factor.
❑ Influent pollutant loading demonstrating how the design influent characteristics were determined.
❑ Pollutant loading for each treatment unit demonstrating how the design effluent concentrations were determined.
❑ Hydraulic loading for each treatment unit.
❑ Sizing criteria for each treatment unit and associated equipment (blowers, mixers, pumps, etc.)
❑ Total dynamic head (TDH) calculations and system curve analysis for each pump specified.
❑ Buoyancy calculations for all below grade structures.
❑ Supporting documentation that the specified auxiliary power source is capable of powering all essential treatment units.
Form PS -SUBMITTAL -05/18 Page 7

STAtRY I =ffly
I. Influent and Effluent Parameters
Design Calculations
Pollutant
Influent Concentrations
Effluent
Average
Max
Monthly Average
Permitted Flow (MGD)
BODS - Summer (mg/L)
358
488
9.0
BODS -Winter (mg/L)
18.0
Total Suspended Solids (mg/L,
486
883
30.0
NH3-N Summer (mg/L)
45
51
3.0
NH3-N Winter (mg/L)
6.0
Fecal Coliform
-
-
200/100 mL
Influent Values listed below are from DMRs from 2015 to 2018
Effluent Values listed below are based on NPDES Permit Requirements
II. Design Flow Rates
A. Influent Flow
Current Flow Conditions at West Stanly WWTP
ADF 0.4965 MGD 4 Year Average from PER
ADF 0.4701 MGD 3 Year Average from 2015-2017 DMRs
Daily Max 2.4114 MGD 3 Year Daily Max from 2015-2017 DMRs
Peaking Factor 4.9894
Design Influent Flow
0.9 MGD x 2.5 PF = 1 2.25 MGD
Because there is no storage capacity prior to the aeration basin, everything before the
aeration basin must be designed to accommodate max influent flow conditions and max
RAS flow. Including headworks, piping between headworks and influent combination box,
and aeration basin splitter box.
West Stanly WWTP Sanitary Sewer Improvements SRF #CS370834-04
201703 9/6/2018
/DICKSON
community inlrostruclure consultonls 1

twk)couMnr
B. RAS Flow
Design Calculations
General range of RAS flow is 50-150% of influent flow rate.
Daily Flow Conditions Maximum Flow Conditions
RAS Rate 0.5 RAS Rate 1.5
RAS Flow Rate 0.45 MGD RAS Flow Rate 1.35 MGD
Combined Flow into Headworks
Daily Flow Conditions Maximum Flow Conditions
Influent Flow Rate 0.9 MGD Influent Flow Rate 2.25 MGD
RAS Flow Rate 0.45 MGD RAS Flow Rate 1.35 MGD
1.35 MGD 3.60 MGD
Peak Daily Flow 3.60 MGD
Peak Hourly Flow 2,500 gpm
The peak hourly flow rate is based on the permitted capacity of 0.9 MGD with a daily
peaking factor of 2.5, plus the maximum return flow rate.
West Stanly WWTP Sanitary Sewer Improvements SRF #CS370834-04
201703 9/6/2018
/DICKSON
community inlrostruclure consultonls 2

twk)couMnr
III. Hydraulic Profile
A. Aeration Basin Splitter Box
Influent Invert
Influent Pipe Diameter
Effluent Invert (both pipes)
Effluent Pipe Diameter (both pipes)
B. Aeration Basins
Water level elevation in aeration basins
Influent Invert Elevation
Top of Basin Sidewall
Aeration Basin Freeboard
C. Aeration Basin Effluent to Clarifier Splitter Box
Use existing, no calculations necessary
D. Clarifier Splitter Box
Influent Pipe Diameter
Influent Pipe Invert
Effluent Pipe to 75' Clarifier Diameter
Effluent Pipe to 50' Clarifier Diameter
Effluent Pipe to 75' Clarifier Invert Elevation
Effluent Pipe to 50' Clarifier Influent Invert
E. 75' Clarifier Effluent to Manhole
Clarifier Effluent Pipe Diameter
Clarifier Effluent Invert Elevation
Manhole Invert Elevation
F. Manhole to Chlorine Contact Chamber
Use existing, no calculations necessary
%D
IICKSON
community infrostruclure consultonls
Design Calculations
372.5 ft
24 in 2.0 ft
371.5 ft
18 in 1.5 ft
364.98 ft
365.00 ft
367.00 ft
2.0 ft
18 in
361.38 ft
16 in
12 in
364.46 ft
364.46 ft
16 in
351.67 ft
351.04 ft
West Stanly WWTP Sanitary Sewer Improvements SRF #CS370834-04
20170316.00.CL
9/6/2018
3

twk)couMnr
G. 50' Clarifier Effluent to Manhole
Use existing, no calculations necessary
IV. Disinfection - Chlorine Contact Time
A. Chlorine Contact Time
Flow Length
Width
Depth
Permitted Flow (in two channels)
Detention Time
Peak Hourly Flow Rate (in two channels)
Detention Time
Design Calculations
114.00 ft
3.83 ft
5.00 ft
0.450 MGD
0.036 days
52.258 minutes
1.800 MGD
0.009 days
13.065 minutes
10 State Standards (2008) recommends a minimum of 15 minutes contact time at design
peak hourly flow after thorough mixing.
Dechlorination Contact Time
Flow Length
Width
Depth
Permitted Flow (in two channels)
Detention Time
Peak Hourly Flow Rate (in two channels)
Detention Time
including pipe length to effluent pump station
17.00 ft
3.83 ft
5.00 ft
0.450 MGD
0.005 days 7.793 minutes
1.800 MGD
0.001 days 1 1.929 minutes
10 State Standards (2008) Recommends a minimum of 30 seconds contact time at the design
peak hourly flow
�► V1(
WDICKSON
community infrostruclure consultonls
West Stanly WWTP Sanitary Sewer Improvements SRF #CS370834-04
20170316.00.CL
9/6/2018
4

Preliminary Clarifier Sizing
LEGEND
data that is input into spreadsheet 0.00 = values calculated by spreadsheet
NARRATIVE
Plant layout shall include the addition of a new onsite headworks, replacement of aeration
and mixing equipment, and replacement of two 25 ft secondary clarifiers with one 75 ft
secondary clarifier.
WASTEWATER FLOWS and EXISTING CONDITIONS
Peak Flow
Design Flow
Start-up Flow
BOD(5)
TSS
TKN
NH3-N
Max. Temp.
Site Elevation
Temperature Correction q
Saturation D.O. @ Temp., Elev. Cst
GIVEN & ASSUMPTIONS
Design Sludge Return Rate
Design Flow MLSS
# of Units
Sidewater Depth
Design Surface Loading Rate
Design Solids Loading Rate
Design Weir Overflow Rate
Design Detention Time
Influent
6.00 mgd
1.5 mgd
0.45 mgd
300 mg/1
350 mg/l
50 mg/l
27 deg. C
360
1.024
7.99 mg/l
CLARIFIER EVALUATION
Design Flow Peak
1.5 MGD
3,750 mg/1
1 11
1
@
75
ft. diameter
ft. diameter
Effluent
10 mg/l
5 mg/l
14 ft.
500 gpd/sf 1600 gpd/sf
30 lb/day/sf 38 lb/day/sf
10,000 gpd/lf 30,000 gpd/lf
4 hrs. 4 hrs.
Mg/1
West Stanly WWTP
201703 9/6/2018
WDICKSQN
Community infrasfruclure consultants 1

CALCULATED PARAMETERS
1. Area Required
Preliminary Clarifier Sizing
a. Surface Loading Basis: Area = Design Flow / Surface Loading Rate
= 3,000 ft2
b. Solids Loading Basis: Area = (Design Flow x MLSS x( 8.34 lb./gal.)) / (30 lb./day/sf)
1,564 ft2
c.Weir Overflow Basis Weir Length = Design Flow / Weir Overflow Rate
150 ft.
(Calculated Parameters, cont.)
AVAILABLE CLARIFIER AREA -
AVAILABLE WEIR LENGTH -
WD
IGKSQN
Community infrastruclure consultants
4,418 ft'
235.6 ft.
OK
OK
West Stanly WWTP
20170316.00.CL
9/6/2018
2

CORY
Preliminary
Clarifier Sizing
2. Surface Loading Rates
Surface Loading Rate = Flow / Area
@ Peak Flow
= 1,358 gpd/sf
OK
@ Design Flow
= 340 gpd/sf
OK
@ Start-up Flow
= 102 gpd/sf
OK
3. Solids Loading Rates
Solids Loading Rate = (Flow x MLSS x (8.341b./gal.))
/ Area
@ Peak Flow
= 42.48 lb/day/sf
Problem
@ Design Flow + RAS
= 21.24 lb/day/sf
OK
@ Start-up Flow + RAS = 13.80 lb/day/sf
OK
4. Weir Overflow Rate
= Flow / Weir Length
@ Peak Flow
= 25,465 gpd/lf
OK
@ Design Flow
= 6,366 gpd/lf
OK
@ Start-up Flow
= 1,910 gpd/lf
OK
* Solids loading rate during peak conditions is typically more dilute as inflow and infiltration dilute the
concentration of the wastewater, thereby also diluting the concentration of the solids loading rate.
West Stanly WWTP
201703 9/6/2018
WDICKSQN
Community infrastruclure consultants 3

..
RAS Pump Station
STf�ILYT' COUNTY
I. Calculating Design Return Flow
Design flow should be based on existing pump station conditions
500 gpm @ 15 ft TDH
and existing plant flow permitted capacity of
0.900 MGD = 625 gpm
Design for 50%-100% RAS flow
@ 50% 313 gpm
@ 100% 625 gpm
II. Calculating the Proposed System Curve
A. PS Total Suction Head
Pressure (psi) 0
Initial Elv. / Clarifier Weir Elv. 363.46
C, value
140
Equivalent Length (ft)
756
Length
80
Diameter (in)
8
Material
DIP
Per
Total
90° Bend
4
6
23
45° Bend
0.5
6
3
Tee -Straight
0
4
0
Tee -Branch
1
20
20
Swing Valve (full open)
0
7
0
Globe Valve (full valve)
3
210
630
676
West Stanly WWTP
WK 201703 �
DICKSON 9/6/2018
community Inrrooruclure consunants Page 1

swu�couNrr
B. PS Total Discharge Head
Pressure (psi)
0
Hf (ft)
Suction (ft)
Final Elevation (ft)
378
Discharge (ft)
TDH (ft)
C, value
140
0.26
0.26
Equivalent Length (ft)
776
0.26
14.81
Length
293
0.54
0.54
Diameter (in)
8
0.56
15.39
Material
DIP
Per
Total
90° Bend
7
6
40
45° Bend
0
6
0
Tee -Straight
4
4
16
Tee -Branch
0
20
0
Swing Valve (full open)
1
7
7
Globe Valve (full valve)
2
210
420
Gate Valve
0
3
0
500.00
3.20
3.33
483
C. PS Total Dynamic Head (ft)
TDH=hd - hs
RAS Pump Station
Flow (gpm)
Velocity (fus)
Hf (ft)
Suction (ft)
Velocity (ft/,)
Hf (ft)
Discharge (ft)
TDH (ft)
125.00
0.80
0.26
0.26
0.80
0.26
0.26
14.81
187.50
1.20
0.54
0.54
1.20
0.56
0.56
15.39
250.00
1.60
0.92
0.92
1.60
0.95
0.95
16.16
312.50
2.00
1.39
1.39
2.00
1.43
1.43
17.11
375.00
2.40
1.95
1.95
2.40
2.00
2.00
18.25
437.50
2.80
2.60
2.60
2.80
2.67
2.67
19.55
500.00
3.20
3.33
3.33
3.20
3.41
3.41
21.03
562.50
3.59
4.14
4.14
3.59
4.24
4.24
22.67
625.00
3.99
5.03
5.03
3.99
5.16
5.16
24.47
718.75
4.59
5.19
6.51
8.17
6.51
4.59
6.68
6.68
27.48
812.50
8.17
5.19
8.38
8.38
30.84
West Stanly WWTP
WK 201703 �
DICKSON 9/6/2018
community Infrooruclure consunants Page 2

swu�couNrr
D. Calculating NPSHA
NPSHA = hatm — he — hf — h,p — FS
Elevations (ft)
522
hatm (ft)
33.3
he (ft)
14.29
hf (ft)
5.03
Temperature WW (oF)
60
hvp (ft)
0.60
FS (ft)
2
NPSHA (ft)
11.38
III. Pump Selection and Pump Curve
A. Pump Selection
Interpolated Pump Curve
Gorman Rupp
T413-13-6
Qpump (gpm)
325
TDH A
15
Speed (rpm)
743
Diameter (in)
9.75
NPSHR (ft)
4.53
Efficiency
60
Power (hp)
1.99
Pump Curve
T413-13-6
Pump Impeller
38618-002
RAS Pump Station
h,tm equation is valid for elvs. between 1,000-0 ft MSL, based on PS
Design Book, p A.5, Table A-7
h, equation is valid for temps. between 60-90F, based on PS Design
Book, p A.6, Table A-9
@ 743 rpm
0
Interpolated Pump Curve
TDH (ft)
Flow (gpm)
18
0
18
100
17.8
150
17.5
200
17
250
15.3
300
13.75
350
@ 903 rpm
Two in Parallel
TDH (ft) Flow (gpm)
26.5
0
26.5
100
26.5
150
26.4
200
26.2
250
26
300
25.75
350
25.3
400
25.1
450
24.7
500
24
550
23.5
600
23
650
22
700
West Stanly WWTP
WK 201703 �
DICKSON 9/6/2018
community Introomoure consunants Page 3

STAN ''COUNTY
RAS Pump Station
B. Pump Evaluation
NPSHRme,
NPSHA
Design Flow Rate
Flow Rate of One Pump at Design Head
Flow Rate of Two Pumps at Design Head
35
30
25
20
x 15
Q
H
10
5
0
4.53 ft
11.38 ft
625 gpm
285 gpm
600 gpm
RAS Pump Station
Proposed System Curve vs Pump Curves
�DICKSON
community Iniroorucluro cOnsunant5
West Stanly WWTP
20170316.00.CL
9/6/2018
Page 4

Beverly Eave00Perdue
Governor -
5
NCO NR
No - h.Carolina Depalment of Environment. and. Natural. Reso irces
1. F6,1 on of Water Quali y �.
Coleen H. Sullins
Qi1motor
=December 29, 2009
The Honorable Joyce H. Little;lVlayor
Town of Oakboro
109-A N. Main Street
P.O. Box 610
Oakboro, North wCar6lind 28129
Subject:. ; : SES' Permit;�ssuatice
Perriit N"CO.b4�5�2..0 -
0 wb6ro.1VW7.7P
8tarilw `�Coithty
Dear.Mayor Little: - •
Qee Freeman
Secretary
In accordance with the application for discharge permit received;`the Division is' forwarding herewith the
subject NPDES .p.ermit. This permit. is issued pursuant to.the requirements of North Carolina General Statute
143-215.1 and the Memorandum -of .Agreement between North Carolina and the U.S. Environmental
Protection Agency dated October 15, 2007 (or as subsequently amended),
Tho #��tai.percnlit, a�thoizes..the:Town :off 0.2�lib.orgto.t�s_ch;�rge
i stewatthe Oakboro
lie Rocky 12iuer (outfall° 002j and %rigtCree4 has emergericY l ac&a
the Yadkin -Pee Dee River.Basin. The perp .t.includes discharge lir
ammonia nitrogen, total suspended solids (TSS), dissolved oxygen,
copper and zinc. - , .
waer frozi WWTP to
� or lytwovtua1100^t), class C waters in
At
atfons/or monitoring for flow, B005,total residual chlorine, fecal coliform,
- The Rocky River is not listed on•ttie current North Carolina 303(4) list for impaired streams. However, it
maybe listed as an impaired stream on the draft 2008 303 (d) list. 'That listing will indicate that the stream
does not meet all water quality standards. If the limitations in the current permits for facilities discharging tett,
Rocky River do not result in improved water quality, riO© al-of�discharges to the Rocky River-=Aysbe
necessary for the health -of the..atream. .
Although the Division believes land. cleanng and stopnwater runoff are .the main causes of degradation
to
the Rocky River; we will continue to monitor -compliance at your facility. If noncompliance with your perritit"s
effluent limits1s.:shown to be a direct cause of stream degradation, the Division will recommend removatof
your facility's discharge.
Part III of your permit requires you to "continually evaluate �a-Il•6wasteWater �disposal"s:Iternativ`es an
d
pursue the most environmentally sound alternative of the reasonably cost effective alternatives" to surface
water discharge. Such an evaluation may help you find an alternative to surface water -discharge that is more
appropriate for your facility.
1817 Mail Service Center, Raleigh, North Carolina 2769946
17 -
'��,r.•.�.. vocation: 512 N: Salisbury St. Raleigh, North Carolina 27804
Phone; 919.807-63001 FAX: [phone] Customer Service;l-877.623.6748 011e
Internet: vim.ncwaterquality.org NofthCilttY'ally
An Equal Opporluntty6lrtnnalveft(onEmployer
NatiaL y

a
Lettere to Mayor Little
Page 2
The following procedure has beexi pleirrie ted:by.—. .Tot residixat`ehli rine (TRCfi corupLlarice
,level
changed to 50 u /1. f'fect ive;March'.1, I OK the Division received EPA approval to allow a 50 ug -w
TRC.compliance level. This`change'is clize'to analytical difficulties with TRC measurements. Facilities will
still be required to report actual results on their nriontlily discharge monitoring report (AMR) submittal8, .
but for compliance purposes, all TfZCvaluesl?;elovv 5Q ugJl:viiill ia�:tI.Waeated:.as.zeto. Additional information
has been added to a footnote regarding this change on the effluent limitations page.
The following modifications are included in the final permit.
• TY e efflixent limit for total 14 4#+ o itfall'001' - i:orig Creek) has been removed from the permit.
The results of an .analysis on submitted data indicated that there .Vvould be no: reasonable .
potential to exceed the stream's water quality standard. There will be no monitoring
regglr.ement for. leadY in.the permit.
Qizarterl�r inoiutgring for total tiinc.asbeen: ad decto.te:permit. An analysis on submitted
data indicated a reasonable potential that the water quality action level standard for zinc could
be violated in. the receiving stream. Quarterly monitoririg allows minimal saixipling but will
provide ergugh. data for. evaluation at the next permit renewal.
+ There has `been some,modificatiori of the treatment plant components on the supplement to
permit cover Is eei.._ Please review this descriptio. for correctnesso
please note that: there .Piave beeiri xnirior language, ck�anges and the addition ;of a new:paYagraph
rega't.�clingtriatatsv
=stbu�tital in. spe'rial coriditioris:A�:.:and.�'E}.;4._<tah�onie:Toxlei�y;perri�: ` uni
If rts, measurement frequencies or sampling requireznents,contained�in this pe�roit are
any pa
unacceptable to you, you haus the right to an adjudicatory hearing upon vuritteri request wlthitii `thirty (3b)
days following receipt of this letter, This request must be in the;fo M. of a=writt�en=.petition,. ccinfoi frig to
Chapter 150B of the North Carolina General Statutes, and filed with the office of Administrative Hearings,
6714 Mail Service Center, Raleigh, North Carolina 276996714. Unless such a demand is made, this permit
shall be final and binding. :.. .
t this eiznit is not transferabl.e:.;,;.;6�
P;?�Y;?���:�e.a?odification.revocatton
Please take notice tha , p
and reisstzance, of the perrriit. This=periiiit. does not affect1'4411 MT
s legal"rquirerxaezats .to obtain other permits
which may be .Ww
required by the Division of Water Quality., or_. Wpet tts i'equized <,b) the Division of Land
Resources; Coastal Area Management Act, or any othcir"Fede tl oz goverriinental permits may be
required.. 1
If you have- any questions or need :additionak;lnfok at -14 9:i; please contact Jacquelyn Nowell at telephone
number (919) 80'76386. ,.
Attachments
ec: NPDES File/NC0043532.
• Mooresville Regional Off`iceJSurface Water Protection Section (ecopy)'
Aquatic Toxicity Unit (ecopy)
Technical Assistance and Certification Unit/Atte: Steve Reid (ecopy).
Central Files
ESS/Caine Ruhlman (ecopy).

Nco043532
STATE OP NORTH CAROLINA
DEPARTMENT OP ENVIRONMENT AND .NATURAL
1-�. • 1Ci
DIVISION Or VVATER (LUAU I X
}
PEI2MZT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION. SYSTEM
Tn compliance with the provision of North Carolina General Statute 7.�9-21.5.1.,
other lawful standards and regulations promulgated and adopted by the North Carolina
invironmental Management Commission, and the Fedgral Water Pollution Control Act, as
amended,
The Town of Oakboro
is hereby authorized to discharge wastewater from a facility located at the
Oakboro Wastewater Treatment Plant
Off of NCSR 1953
East of Oakboro
Stanly County
to receiving wafers designated as the Rocky River (autfa11002) and Long Creek (outfall
001} in the Yadkin —Pee Dee River Basin in accordance with effluent limitations,
monitoring requirements, and other conditions set forth in Parts I, II, III and IV hereof.
This permit shall become effective February 1, 20
10.
This permit and authorizati
on to discharge shall expire at midnight January 39., X014
Signed this day December 29, 20
09.
' leen H. Sullins, Director
`� I Division of Water Quality
By Authority of the Environmental Management Commission

NC004JDJZ
SUPPLEMENT TO PERMIT COVER SHEET
A11 previous NPDES Permits issued to ibis facility, whether for operation or discharge are hereby revoked. As of this
permit issuance, any previously issued permit bearing this number is no longer condieffections,
requirements,
the exclusive
authority to operate and discharge from this facility arises under the permit conditions, requirements, terms, and
provisions included herein.
The Town of Oakboro is. hereby authorized to;
1. Continue to operate a 0.9b NIGD wastewater treatment plant consisting of the
following components.
Manual bar screen
• Step screen. system
Aerated grit chamber
Instrumented flow measurement
Aeration basin with mechanical aerators
Three secondary clarifiers
• Clarifier splitter box with adjustable weirs
Chlorine contact basin with& deci lorination unit
Aerobic sludge digester NiWfi + 0 floating aerators, one floating mixer, a floating j
decant mechanism, and add tipartal.pumps j
Two aerated sludge holdngl?`asits
Dual sludge drying beds'. tri, u$e)
Dual standby electric generators 3
The facility is located at the Tovi.'�of;Ualcboro
WWTP, off of -NCR 19.53, east of
Oakboro, Stanly County,
2. Continue to discharge frorn said treat neat works at the locations specified on the
attached map into Rocky River (002) and Long Creek (emergency outfall 001). Both
locations are classified C waters in the Yadkin -Pee Dee River Basin.

Y
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Fall

NC0043532
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS •FINAL
During the period beginning on the effective date of the permit axld lastinguntil expiration, the'I'ermittee
is authorized to discharge from outfall serial numberi002 (Rocky River). Such discharges shall be limited
and monitored by the Permittee as specified below:
EFFLUENT .
CHARACTERISTICS
LIMITS
'
MONITORING REQUIREMENTS
Monthly
Avera a
Weekly
Avei4 a
Daily
Maximum' i
Measurement
Fre uen
Sample
a
Sample
Location'
Flow
0.9 MGD
Continuous
Recording
I or E
BOD, 5 day, 20°C2
(Summer)
9.0 mg/l
13.5 mg/l
3/week
Composite
E, I
BOD, 5 day, 20°C2
(Winter)
18.0 mg/L
27.0 rng/L
3/week
Composite
E, I
Total Suspended SoHds2
30,0 mg/l
45.0 rng/l
3/week
Composite
E, I
NH3 as N (Summer)
3.0 mg/1
9.0 mg/L
3/week
Composite-
ompositeNH3
NH3as N (Winter)
6.0 mg/1
18.0 mg/L
3/week
Composite
E
Dissolved Oxygen
3/week
Grab
E, U, D
pH4
3/week
Grab
E
Fecal Coliform
(geometric mean)
200 / 100'x11
400 / 100 ml
3/week
Grab
E, U, D
Total Residual Chlorines
28µg/L
3/week
Grab
E
Total Nitrogen
(NO2 + NO + TKN)
Quarterly
Composite
E
Total Phosphorus
Quarterly
Composite
E
Temperature °C
Daily
Grab
E
.Temperature °C
3/week
Grab
U, D
Conductivity
3/week
Grab
U, D
Chronic ToxicityG
Quarterly
Composite
E
Total Copper
2/Month
Composite
E
Total Zinc
Quarterly
Composite
E
Notes:
1. Sample locations: E - Effluent, I - Influent, U - Upstream at.least 100 feet above the discharge point, D
Doiynstream below the discharge point at NCSR 1917. Instream monitoring requirements are waived
as long as the facility retains membership In the YPDRBA. If membership is cancelled, facility will
monitor 3/week during the months of June through September and once per week during,the
remaining months of the year.
2. The monthly average effluent BOD5 and TSS concentrations shall not -exceed 15% of the respective
V
nfluent value (85% removal).
3. The daily average dissolved oxygen effluent concentration shall not be less, than 5.0 mg/1,
4. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5. The Division shall consider all effluent total residual chlorine values reported below 50 µg/1 to be in
compliance with the permit. However, the Permittee shall continue to record and submit all values
reported by a North Carolina certified laboratory (including field .certified), even if these values fall
below 50µg/l. .
6. Chronic Toxicity (Ceriodaphnia) P/P at 4.6%; January, April, July, and October, See Special Condition
A (3) of the Supplement to Effluent Limitations,
Summer: April 1- October 31
� 'Winter: November 1� March 31
There shall be no discharge of floating solids or foam visible in other than trace amounts.

NC0043532
A.(2) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS -FINAL
During the period beginning on the effective date.of the permit and lasting until expiration, the Permittee
is authorized to discharge from emergency:baekupoutfall serialniznaber 001 (Long Creek) in case of a
pump station failure. Such dis barges shall be limited and monitored by the Permittee as specified below;
EFFLUENT
CHARACTERISTICS
' Notes: -
1. Sample locations: E - Effluent, I - influent, U -Upstream at least 100 feet
LIMITS
MONITORING REQUIREMENTS
Monthly
Avera a
Weekly
Average
Dally
Maximum
Measurement
Frequency
Sample
Tvve
Sample .
Locations
Flow
0.9 MGD
Continuous
Recording
I or E
BOD, 5 day, 20°C2
(Summer
9.0 mg/1
13.5 mg/1
3/week
Composite
E, I
BOD, 5 day, 20°C2
('Winter
18.0 mg/1
27.0 mg/1
3/week
Composite
E, I
Total Suspended So1ids2
30.0 mg/1
45.0 mg/1
3/week
Composite
E, I
.NH3 as N (Summer)
2.8 mg/1
8.4 mg/L
3/week
Composite
E
NH3 as N (Winter)
6.0 mg/1
18.0 mg/L
3/week
Composite
E
Dissolved Oxygen3
3 /week
Grab
E, U, D
pH4
3/week
Grab
E
Fecal Coliform
(geometric mean)
200 / 100 ml
400 / 100 ml
3/week
Grab
E, U, D
Total Residual Chlorines
28 jzg/1
3/week
Grab
E
Total Nitrogen
(NO2 + NO3 + TKN)
Quarterly
Composite
E
Total Phosphorus
Quarterly
Composite
E
Temperature °C
Daily .
Grab
E
Temperature °C
3/week
Grab
UID
Conductivity
3/week
Grab
U, D
Chronic Toxicity5
,
Quarterly
Composite
E
Total Copper
2/Month
Composite
E
Total Zm' c
Quarterly
Composite
E
above the" discharge point, D -
Downstream 1.7 miles below the discharge point (at the end of or close to NCSR 1659). Instream
monitoring requirements are waived as long as the facility retails membership in the YPDRBA. If
membership is cancelled, facility will monitor 3/week during the months of June through September
and once per week during the remaining months of the year. .
2. The monthly average effluent BODS and TSS concentrations shall not exceed 15% of thexespective
influent value (85% removal).
3. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/1.
4. The pU shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5. The Division shall consider all effluent total residual chlorine values reported below 501cg/1 to be in
compliance with the permit. However, the Permittee shall continue to record and submit all values
reported by a North Carolina certified laboratory (including field certified), even if these values fall
below 50.pg/i.
6. Chronic Toxicity (Ceriodaphnia) P/F att30%; January, April, July, and October; See Special Condition•A
�. (4) of the Supplement to Effluent Limitations.
Summer: April 1- October 31
Winter: November I —March 31
There 4 hailbe no iliscbarge afflbafing solids orfoiim visible In other than trace amounts.

NC0043532
SUPPLEMENT TO EFFLUENT LIMITATIONS
AND MONITORING REQUIREMENTS
SPECIAL CONDITIONS .
A (3). CfiRQNIC TOXICITY PERIVIIT LJMIT (QRTIR)UY) Rocky River
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to
Ceriodaphnia dubia at an effluent concentration of 4.6%.
The permit holder shall 'perform �t a minimum, carte X monitoring using test procedures outlined in the "North
Carolina Ceriodaphnia Chronic Effluent Bloassay Procedure," Revised February 1998, or subsequent versions or
"North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent
versions. The tests will be performed during the months of January;'April, July, and October. Effluent sampling for
this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the permit
limit, then multiple -concentration testing shall be performed ata minimum, in each of the two following months as
described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -February. 1998) or
subsequentversions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the highest
concentration having no detectable impairment of reproduction or survival and the lowest concentration that does
have a detectable impairment ofreproduction or survival. The definition of "detectable impairment," collection
methods, exposure regimes, and further statistical methods are specified in the "North Carolina Phase H Chronic
Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent versions.
Ail toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR4) for the months in which tests were performed. If reporting pass/fail results using the
parameter code TGP3B, DWQ Form AT 1 (original) is sent to the below address. If reporting Chronic Value results
using the parameter code THP3B, DWQ Form AT -3 (original) is to be sent to the following address:
Attention: Environmental Sciences Section _.
North Carolina Division of Water Quality
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Tesk Forms shall be filed with the Environmental Sciences Section no later than 30 days
after the end of the reporting period for which the report is made,
Test data shall be complete, accurate, include 7 all supporting chemical/physical measurements and all
concentration/response data, and -be certified by laboratory supervisor and ORC or approved designate signature.
Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should there be no discharge of flow fr
om the facility during a month in which toxicity monitoring is required, the
permittee will.complete the information located at the top of the aquatic toxicity (AT) test form indicating the facility
name, permit number, pipe number, county, and the month/year of the report with the notation of "No Flow" in the
comment area of the form. The report shall be submitted to the Environmental Sciences Section at the address cited
above.
Should the permittee fail to monitor during a month in which toxicity
monitoring is required, monitoring will be
required during the following month. Should any test data from this monitoring requirement ox tests performed by
the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit may be
re -opened and modified to include alternate monitoring requirements or limits.
if the Permittee monitors any pollutant more frequently then required by this permit, the results of such monitoring .
shall be included in the calculation & reporting of the data submitted on the DMR &all
AT Forms submitted.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an
invalid test and will require immediate follow-up testing to be completed no later than the last day of the month
following the month of the initial monitoring.

NC0043532
' SUPPLEMENT TO EFFLUENT LIMITATIONS
AND MONITORING REQUIREMENTS
�✓ SPECIAL CONDITIONS
CHRONIC TOXICITY PERIYIIT-.LIMIT: (QR'TItI:Y) ® Lung Creek
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to
Ceriodaphnia dubiu at an, rent ro centxation of 30%.
The permit holder shall perform at a minimum, qwterly monitoring using test procedures outlined in the "North
Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or subsequent versions or
"North Carolina Phase 11 Chronic Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent
versions. The tests will be performed during the months of January, Aprili.July, and October. Effluent sampling for
this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the permit
limit, then multipl�concentration testing shall be performed at a minimum, in each of the two following months as
described in "North Carolina Phase I1 Chronic Whole Effluent Toxicity Test Procedure" (Revised February 1998) or
subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the highest
concentration having no detectable impairment of reproduction or survival and the lowest concentration thafdoes
have a detectable impairment.of reproduction or survival. The definition of "detectable impairment," collection
methods, exposure regimes, and further statistical methods are specified in the "North Carolina Phase lI Chrordc
Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent versions.
All toxicity testing results required as part of this permit wndztion will be entered on the Effluent Discharge
Monitoring Form (MRA) for the months in which tests were performed. If *reporting passlfall results using the
parameter code TGP3B, DWQ Form AT4 (original) is sent to the below address. If reporting Chronic Value results
using the parameter code THP313, DWQ Form AT -3 (original) is to be sent to the following address;
Attention: Environmental Sciences Section,
North Carolina Division of Water Quality
1621 Mail Service Center
Raleigh, North Carolina 27699-1'6.21
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Section.no later than 30 days
after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/ physical .measurements and all
concentrationyresponse data, and be certified by laboratory supervisor and ORC or'apFr&�ed designate signature.
Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine .is employed for
disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month 'in wldch`toxictty:*inoiiitoring is required, the
permittee will complete the information located at the top of the aquatic toxicity (AT) test for.m.& ndieating the facility
name, permit number, pipe number, county, and the month/year of the report with the. notation of -"No-Flow" in the
comment area of the form. The report shall be submitted t6 the Environmental Sciences Sectionat-the address cited
above.
Should the permittee fail to monitor during a month in which toxicity monitgring is required, monitoring will be
required during the following month. Should any test data from this mozitoxingr•equiement or tests performed by
the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit maybe
re -opened and modified to include alternate monitoring requirements or limits*.
If the Permittee monitors any pollutant more;frequently then xequired.by.this permit; the results of such monitoring
shall be included in the calculation & reporting of the data submitted. on the DMR & all AT Forms submitted.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum co
ntrol organism
survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an
invalid test .and will require immediate follow-up testing to be completed no later than the last day of the month
following the month of the ft tial monitoring.

NPDES Permit Standard Conditions
Page i of is
PART II
STANDARD CONDITIONS FOR NPDES PERMITS
Section A. Deiinitiofxs
2/..Mon113
Samples are collected twice per month with at least ten calendar days between sampling events. These samples shall
be representative of the wastewater discharged during.the sample period.
eek
Samples are collected three times per week on three separate calendar days. These samples shall be representative of
the wastewater discharged during the sample period,
Act ox "the Act" -
The Federal Water Pollution Control Act, also known as the Clean Water Act (CWA), as amended, 33 USC 1251, et,
Seq.
dual Average
The arithmetic mean of all...:'daily discharges" of a,pollutant measured during the calendar year. In the case o£ Fecal
coliform, the geometric mean of such discharges.
Arithmetic Mean
The summation of the individual values divided by the number of individual values. 1 17
B ass
�` The known diversion of waste streams fxom any portion of a treatment facility including the collection system, which
is not a designed or established or operating mode for the facility.
Calendar Dov
The period from midnight o£ one day until midnight of the next day. However, for purposes of this permit, any
consecutive 24"hout period that reasonably represents the calendar day maybe used for sampling.
Calendar Week
The period from Sunday through the following Saturday.
Calendar Quarter
One o£ the following distinct periods: January through March, April through June, Julq through September, and
October through December,
Composite Sample
A sample collected over a 2Q -hour period by continuous sampling or combining grab samples of at least 100 ml in
such a manner as to result in a total sample representative of the wastewater discharge during the sample period. The
Director may designate the most appropriate method (specific number and size of aliquots necessary, the time
interval between grab samples, etc.) -on a case-by-case -basis. Samples may be collected manually or automatically.
Composite samples maybe obtained by the following methods:
(1) Continuous: a single, continuous sample collected over a 24-hour period proportional to the rate of flow.
(2) Constant time/variable volume: a series of grab samples collected at equal time intervals over.a 24 hour
period of discharge and combined proportional to the rate of flow .measured at the time of individual sample
collection, or
(3) Variable time/constant volume: a series of grab samples of equal volume collected over a 24 hour period
with the time intervals between samples determined. by a preset number of gallons passing the sampling
point Flow measurement between sample intervals shall be determined by use of a flow recorder and
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totalizer, and the preset gallon interval between sample collection fixed at no greater than 1/24 of the
expected total daily flow at the treatment system, or
(4) Constant time/constant volume: a. series of grab samples of equal volume collected over a 241mhour period at
a constant time interval.:IUse md this 'method requires prior approval by the Director. This method
may only be used in situations where effluent flow rates vary less than 15 percent, Thefollowing
restrictions also apply.
Influent and effluent grab samples shall be of equal size and of no less than 100 milliliters
Influent samples shall, not be collected more than once per hour.
Permittees with wastewater=trea"tment systems Wl use •detention time < 24 hours shall collect effluent
grab samples at intervals of no heater than 207iiiiesf apart during any 24-hour period.
A Permittees with wastewater treatment systems whose detention time exceeds 24 hours shall collect
effluent grab samples at least every six hours; there must be a,minitnum of four samples during a 24-hour
samplingpenod.
Continuous flow measurement
Flow monitoring that -occurs without interruption throughout th- : tin - I. . x
monitored continually except for the infrequent times when' theite' friar `be no flow of for infrequent maintenance
activities on the flow device. I
Discharge
The discharge of a pollutant measured during a calendar day or ally 24i%eotl'`.that reasonably represents the
calendar day for purposes of sampling. For pollutants .measured in uriirs"'off a s'tl e` -daily dlschazge' is calculated as
the total mass of the pollutant discharged over the day. The "daily discharge" concentration comprises the mean
concentration for a 24..hour sampling period as either a composite sample,c6,.i, ht atio_ ri or the. arithmetic mean of all
grab samples collected during that period. (40 CFR 122.2)
I
Dahl. Maximum "k
The highe's t "daily discharge" dutitiig tfie calendar month.
Daisy Sampling
Parameters requiring daily sampling shall be sampled 5 out of every 7 days pet week unless otherwise specified in the
permit. Sampling shall be conducted on weekdays except -where holidays or other disruption's ofaho4 mal operations
prevent weekday sampling:' If sampling is required for all seven days of the week for any permit parameter(s), that
requirement will be so noted on the Effluent Limitations and Monitoring Page(s). i
DWO or "the Division"
The Division of Water Quality, Department oFEnvironment and Natural Resources.
EMC
The North Carolina Environmental Management Commission.
EPA
The United States Enviroiimeritaf'f'rotection Agency
Facility Closure
Cessation of all activities that require coverage under this NPDES permit Completion mof facility closure will allow
this permit to be rescinded.
Geometric Mean
The Nth root of the product of the individual values where N = the number of individual"values. For purposes of
calculating the geometric mean, values of "0" (or "< [detection level]shall be considered = I.
�=w
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NPDES Permit Standard Conditions
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Grab Oam e
~ Individual samples of at least 100 ml collected over a period of time not exceeding 15 minutes. Grab samples can be
collected manually. Grab samples must be representative of the discharge (or the receiving stream, for instteam
samples).
I�azardous Substance
Any substance designated under 40 CFR. Part 116 pursuant to Section 311 of the CCA.
Instantaneous flow measurement -
A measure of flow taken at the time of sampling, when both the- sample and flow will be representative of the total
discharge.
Mont 1 Average (concentration lirnitl
The arithmetic mean of all "daily discharges" of a pollutant measured during the calendar month. In the case of fecal
coliform, the geometric mean of such discharges.
Permit Issuing Authozity
The Director of the Division of Water Quality.
- Quarterly Averagee (Toncetbtradon limitl
The average of all 'samples. taken over a calendar quarter.
Severe prc erty�e -
Substanttal-physical damage to property, damage to the treatment facilities which causes them to become inoperable,
ot'substantial and permanent loss of natural resources which can reasonably be expected to occur in the absence of a
bypass. Severe property damage excludes economic loss caused by delays in production. IV
Toxic Poll
utant:
Any pollutant listed as toxic under Section 307(a)(1) of the CWA.
,U�set
An incident beyond the reasonable control of the Permittee causing.unintentional and temporary noncompliance with
permit effluent limitations and/or monitoring requirements. An upset does not include noncompliance caused by
operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive
maintenance, or careless or improper operation.
Weekly Av_erag_e(
concentratt,�on l�tl
The arithmetic me2n of all "daily discharges" of a pollutant measured doting the calendar week In the case of fecal
coliform, the geometric mean of such discharges.
Seodan B. General Conditions
1. Dut�to Comply -
The Permittee must compiy-with all conditions of this permit. Any permit noncompliance constitutes a violation
of the CWA and is grounds for enforcement action; for permit termination, revocation and reissuance, or
modification; or denial of a permit renewal application [40 CFR 122.41].
a. The Permittee shall comply with effluent standards or prohibitions established under section 307(a) of the
CWA for toxic pollutants and with standards for sewage sludge use oz disposal established under section
405(d) of the CWA within the time provided in the regulations that establish these standards or prohibitions
or standards for sewage sludge use or disposal, even if the permit has not yet been modified to incorporate
the requitement.
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NPDES Permit Standard Conditions
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b. The CWA provides that any person who violates sections] 301, 302, 3062 307, 308, 318 or 405 of the Act, of
any permit condition or limitation implementing any such sections in a permit issued under section 402, or `
any requirement imposed in a pretreatment program approved under sections 402 (a) (3) or 402 (b) (8) of the
Act, is subject to a civil penalty not to exceed $37,500 per day for each violation. [33 USC 1319 (d) and 40
CFR 122.41 (a) (2)]
c. The CWA provides that any person who negligently violates sections 301, 302, 306, 307, 308, 318, or 405 of the
Act, or any condition or limitation implementing any of such sections in a permit issued under section 402 of
the Act, or any requirement imposed in a pretreatment program approved under section 402(a)(3) or
402(b)(8) of the Act, is subject to criminal penalties 'of $2;500 to $25,000 per day of violation, or
imprisonment of not more than 1 year, or both. In the case of a second or subsequent conviction for a
negligent violation, a person shall be subject to criminal penalties of not more than $50,000 per day of
violation, or by imprisonment of not more than 2 years, or both. [33 USC 1319 (c) (1) and 40 CFR 122.41 (a)
(2)]
d. Any' person who knowing violates such. sections, or such conditions or limitations is subject to criminal
penalties of $5,000 to $50,000 per day of violation, or imprisonment for not more than 3 years, or both. In
the case of a second or subsequent conviction for a knowing violation, a person shall be subject to criminal
penalties of not more than $100,000 per day of violation, or imprisonment of not more than 6 years, or both.
[33 USC 131.9 (c) (2) and 40 CFR'122.41 (a) (2)]
e. Any person who knowingly violates section 301, 302, 303, 306, 307, 308, 318 or 405 of the Act, or any permit
condition or limitation implementing any of such sections in a permit issued under section 402 of the Act,
and who knows at that time that he thereby places another person in imminent danger of death or serious
bodily injury, shall, upon conviction, be subject to a fine of not more than $250,000 or imprisonment of not
more than 15 years, or both. In the case of a second or subsequent conviction for a knowing endangerment f
violation, a person shall be subject to a fine of not more than $500,000 or by imprisonment of not more than
30 years, or both. An organization, as defined in section 309(c)(3)(B)(iii) of the CWA, shall, upon conviction
of violating the imminent danger provision, be subject to a fine of not more than $1,000,000 and can be fined
up to $2,000,000 for second or subsequent convictions. [40 CFR 122.41. (a) (2)]
f. Under state law, a civil penalty of not :more than
$25,000 per violation may be assessed against any person
who violates or fails to act in accordance with the terms, conditions, or requirements of a permit. [North
Carolina General Statutes 143-215.6A]
g. Any person may be assessed an administrative penalty by the Administr
ator for violating section 301, 302,
306, 307,_.308, 318 or 405 of this Act, or any permit condition or limitation implementing any of such
sections in a permit issued under section 402 of this Act Administrative penalties for Class I violations are
not to exceed $16,000 per violation, with the maximum amount of any Class I penalty assessed not to exceed
$37,500. Penalties for Class II violations are not to exceed $16,000 per day for each day duting which the
violation continues, with the maximum amount of any Class II penalty not to exceed $177,500. [33 USC 1219
(p) (2) and 40 CFR 122.41 (a) (3)]
2. Dut�Eto, Utig
ate
The Permittee shall take. all reasonable steps to rr,inimi7e or prevent any discharge or sludge use or disposal in
violation of this permit with a reasonable likelihood of adversely affecting human health or the environment [40
CFR 122.41 (d)].
3. Civil and Criminal Liability
Except as provided in petnnit conditions on "Bypassing" (Pari II. C. 4), "Upsets" (Part II. C. 5) and "Power
Failures" (Part L.L. C, 7), nothing in this .permit shall be construed to relieve the Permittee from any
responsibilities, liabilities, or penalties for noncompliance pursuant to NCGS 143-215.3,143-215.6 or Section 309
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NPDES Permit Standard Conditions
Page 5 of 18
of the Federal Act, 33 USC 1319. Furthermore, the Permittee is responsible for consequential damages, such as
fish kills, even though the responsibility for effective compliance may be temporarily suspended.
4. Qu and Hazardous Substance Liaty
Nothing in this permit shall be construed to preclude the institution of any legal action or relieve the.Permittee
from any responsibilities,..Jiabilities, or penalties to which the Permittee is or may be subject to under NCGS 143-
215.75 et seq, or Section 311 of the Federal Act, 33 USG 1321. Furthermore, the Permittee is responsible for
consequential damages, such as fish kills, even though the responsibility for effective compliance may �be
tempotatily suspended.
5. Pro,.-erty,,Rt__�eh�ts- .
The issuance of this permit does not convey any property rights in either real or personal property, or any
exclusive privileges, not does it authorize any injury to private property or any invasion of personal rights, nor
any infringement of Federal; State or local laws or regulations [40 CFR 122.41
6. Onshore ox Offshore Constru 'on -
This permit does riot authorize or approve the construction of any onshore or offshore physical structures or
facilities or the undertaking of any work in any navigable waters.
The provisions of this permit are severable. If any provision of this permit, or the applicauun Of any provision of
this permit to any circumstances, is held invalid; the application of such provision to other circumstances, and the
remainder of this permshall not be affected
it, thereby {NCGS 15015231,
8. Duty tp Provide.InfQ,rmation
The Permittee shall rurwsh to the Permit Issuing.Authonty,.within a reasonable time,. any information which the
Permit Issuing Authority may request to determine whether -cause exists for modifying, revoking and reissuing, -or
terminating this permit or to determine compliance with this permit. The'Permittee shall also furnish to the
Permit Issuing Authority upon request, copies of records requited by this permit [40 CFR 122,41 (h)].
9. Duty* to Reapply .
Yf the Permittee wishes to continue an activity regulated by this permit after the expiration date o£ this permit, the
Permittee must apply for and obtain a new permit [40 CFR 122.41 (b)].
10. Expiration Qf
l?etmit
The Permittee is not authorized to discharge after the expiration date. In order to receive automatic
authorization to .discharge beyond the expiration date, the Permittee shall submit such information, forms, and
fees as are requited by the agency authorized to issue permits no later than 180 days prior to the expiration date.
Any Permittee that has not requested renewal at least 180 days pilo to expiration, or any Pernuttee that does not
have a permit after the expiration and has not requested renewal at least 180 days prior to expiration, will subject
the Perra.ittee to enforcement procedures as provided in NCGS 143215.6 and 33 USC 1251 et. seq.
11. Sie:natora equixements ,
All applications, reports, or information submitted to the Permit Issuing Authority shall be signed and certified
[40 CFR 122.41 (k)].
a. All permit applications shall be signed as follows:
(1} .For a. corporation: by a responsible corporate oi'ficer. For the purpose can:
Section, a responsible
corporate officer means: (a) a president, secretary, .treasurer or vice president of the corporation in
charge of aprincipal business function, or any other person who performs similar policy or decision
making functions for the corporation, or (b) the manager of one or more manufacturing, production, or
operating facilities, provided, the manager is authorized to make management decisions which govern the
operation' of the regulated facility including having the explicit or implicit duty. of making major capital
investment recommendations, and iru,tiating and directing other comprehensive measures to assure long
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NPDES Penttlt Stodard Conditions
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term environmental compliance with environmental laws and regulations; the manager can ensure that
the necessary systems are established or actions taken to gather complete and accurate information for
permit application requirements; and where authority to sign documents has been assigned or delegated
to the manager in accordance with corporate procedures .
(2) Fora partnership or.sole..proprietorship: by a general partner or the proprietor, respectively; or
(3). For a "municipality, State; Federal, or other public agency: by either a principal executive officer or
ranking elected official [40 CFR 122.221.
b. All reports required by the permit and other information requested by the Pexxnit )Issuing Authority shall be
signed by a person described in paragraph a. above or by a duly authorized representative of -that person. A
person is a duly authorized representative only if
1: The authorization is made in writing by a person described above;
2. The authorization specified either an individual or a position having responsibility for the overall
operation of the regulated facilityor activity, *such as the position of plant manager, operator of a well or
well Field, superintendent, a position of equivalent responsibility, or an individual or position having
overall responsibility for environmental matters for the company. .(A duly authorized representative may
thus be either a named individual or any individual occupying a named position.); and
3. The written authorization is submitted to the Permit Issuing Authority, [40 CFR 122.221
c. Changes to authorization: If an authorization under paragraph (b) of this section Is no longer accurate
because a different individual or. position has responsibility for the overall operation of the facility, a new
authorization satisfying the requirements of paragraph (b) of this section must be submitted to the Director
prior to or together with any reports, information, or applications to be signed by an authorized
representative [40 CFR 122.22]
d. Certilxcation, Any -person signing a document under paragraphs a.or b. of this section shall make the -
following certification [40 CFR 122.221. NO OTHER, STATEMENTS OF CERTIFICATION WIU BE
ACCEPTED:
"1 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 property 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 inform ation 'submitted is,- to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
12. Permit Acti
ons -
This permit may be modified, revoked and reissued, or terminated for cause. The filing of a request by the
Permittee fora" permit modification, revocation and reissuance, or termnation, or a notification of planned
changes or anticipated noncompliance does not stay any permit condition [40 CFR 122.41
13. Permit Modification, Revocation and Reissuance, or Te1=ati
on - - -
The Issuance of this permit does not prohibit the permit issuing authority from reopening and modifying the
permLit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules, and regulations
contained 'in Title 40, Code of Federal Regulations, Parts 122 and 123; Title 15A of the North Carolina
Administrative Code, Subchapter 2H.0100; and North Carolina General Statute 143-215.1 et. Rib
- - 14. Ann dministerin and Com fiance omit rim Fe W
ements
The Permittee must pay the annual adtnit�istering and compliance monitoring fee within thirty days after being
billed. by the Division. Failure to pay the fee in a timely manner in accordance with 15A NCAC 2HA105 (b) (2)
may cause this Division to initiate action to revoke the permit.
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Section C. Opegagon and Maintenance o£Pc211_mdon Controls
1. Certified Owerator
Upon classification of the permitted facility by the Certification Commission; the Permittee shall employ a
certified water pollution control treatment system operator in responsible charge (ORC) of the water pollution
control treatment system. Such operator must hold a certification of the grade equivalent to or greater than the
classification assigned to the water. pollution control treatment system by the Certification Commission. The
Permittee must also employ one or inore certified Back-up ORCs who possess a currently valid certificate of the
type of the system. Back-up ORCs must possess a grade equal to (or no more than one grade less than) the grade
of the system [15A NCAC 8G.02011.
The ORC of each Class I facility must:
Visit the facility as often as is necessary to insure proper operation of the treatment system, the treatment
facility must be visited at least weekly
Comply with all other conditions of 15A NCAC 8G.0204.
The ORC of each Class Ii, -III and TV facility must -
➢ Visit the facility as often as is necessary to insure proper operation of the treatment system; the treatment
facility must be visited at least five days per week, excluding holidays
Properly manage and document daily operation and maintenance of the facility
A Comply with all other conditions of 15A NCAC 8G.0204,
Once. the facility is classified, the Permittee shall submit'a letter to the Certification Commission designating the
operator in responsible charge:
a. Within. 60 calendar daysprior to wastewater being introduced into a new system
K Within 120 calendar days of:
➢ Receiving, notification. of a, change in the classification of the system requiring the designation of a
new ORC and back-up ORC
➢ A vacancy in the position of ORC or back-up ORC.
2. Proper Operation and M-�ren
ance •
The Permittee shall at all times provide the operation and maintenance resources necessary to operate the existing
facilities at optimum efficiency. The Permittee shall at all times properly operate and maintain all facilities and
.systems of treatment and control (and related appurtenances) which -are installed or used by the Permittee to
achieve compliance with the conditions of this permit. Proper operation and maintenance also includes adequate
laboratory controls and appropriate quality assurance procedures. This provision requires the Permittee to install
and operate backup or auxiliary facilities only when necessary to achieve compliance with -the conditions of the
permit [40 CFR 122.41 (e)].
NOTE: Properly and officially designated operators are fully responsible for all proper operation and
maintenance of the facility, and all. documentation required thereof, whether acting as a contract operator
[subcontractor] or a member of the Petnuttee's staff.
3. Need to Halt or Rgduce not a Defense
It shall not be a defense for a Permittee in an enforcement action that it would have been necessary to halt or
reduce the permitted activity in order to maintain compliance with the condition of this permit [40 CFR 122.41
(Olt
4.. Bypassing of
Treatment Facilities
-�- a. Bypass not exceeding limitations [40 CFR 122.41 (m) (2)]
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The Petwittee may allow any bypass to occur which does not cause effluent limitations to be exceeded, but
only if it also is for essential maintenance to assure efficient operation. These bypasses are not subject to the
provisions of Paragraphs b. and c. of this section.
b. Notice [40.
(1) Anticipated bypass. If the Permittee knows in advance of the need for a bypass, it shall submit prior
notice, if possible at least ten days before the date of the bypass; including an evaluation of the
anticipated quality and effect of the bypass.
(2) Unanticipated bypass. The Permittee shall submit notice of an unanticipated bypass as required in Part
H. E. 6, (24-hour notice).
c. Prohibition of Bypass
(1) Bypass .from the treatment -facility is prohibited and the Permit Issuing Authority may tape enforcement
action against a Permittee fot bypass, unless:
(A) Bypass was unavoidable to prevent loss of life, personal injury or severe property damage;
(B) There were no feasible alternatives to the bypass, such as the use of auxiliary treatment facilities,
retention of untreated wastes or maintenance during normal periods of equipment downtime. This
condition is not satisfied if adequate backup equipment should have been installed in the exercise of
reasonable engineering judgment to prevent a bypass -which occurred-. during normal periods of
equipment downtime or preventive maintenance, and
(C) The Permittee submitted. notices as required under Paragraph b. of this section.
(2) Bypass from the collection system is prohibited and the Permit Issuing Authority may take enforcement
action against a Permittee for a bypass as provided in any current or future systemwide collection system
permit associated with the treatment facility.
(3} The Permit Issuing Authority may approve an anticipated bypass; after considering its adverse effects, if � J.
the Permit Issuing Authority determines that it will meet the three conditions listed above in Paragraph c.
(1) of this section.
5. Upsets
a. Effect of an upset [40 CFR 122.41 (n) (2)]: An upset constitutes an affirmative defense to an action
brought For noncompliance with such technology based permit effluent limitations if the requirements o£
paragraph b. of this condition are met. No determination made during administrative review of claims that
noncompliance was caused by upset, and before an action for noncompliance, is final administrative action
subject to judicial review.
b. Conditions.necessary for a demonstration of upset: Any Permittee who wishes to establish
the
affirmative defense of upset shall demonstrate, through properly signed, contemporaneous operating logs, or
other relevant evidence that:
(1) An upset occurred and that the Permittee can identify the cause(s) of the upset;
(2) The Permittee facility was at the time being properly operated; and
(3) The Permittee submitted notice of the upset as required in Part II. E. 6. (b) of this permit,
(4) The Permittee complied with any remedial measures required under Part II. B. 2, of this permits
c. Burden of proof [40 CFR 122.41 (n) (4)]: The Permittee seeping to establi
sh the occurrence of an upset
- has the burden of proof in any enforcement proceeding,
6. R
emoved Substances,
Solids, sludges, ftlter bacl�vash, or other pollutants removed in the course of treatment or control of wastewaters
shall be utilized/disposed of in accordance with NCCS 143215.1 and in a manner such as to prevent any pollutant
from such materials from entering waters of the State or navigable waters of:the United States. The Permittee
shall comply with A existing Federal regulations governing the disposal of sewage sludge. Upon promulgation of
40 CFR Part 503, any permit issued by the Permit Issuing Authority for the utilization/disposal of sludge may be
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reopened and modified, or revoked and reissued, to incorporate applicable requirements at 40 CFR 503. The
Permittee shall comply with applicable 40 CFR 503 Standards. for the Use and Disposal of Sewage Sludge (when
promulgated) within the time provided in the regulation, even if the -permit is not modified to incorporate the
requirement. The Permittee shall notify the Permit Issuing Authority of any significant change in its sludge use
or disposal practices.
7. Power Failures
The Permittee is responsible for maintaining adequate safeguards (as required by 15A NCAC 211.0124) to prevent
the discharge of untreated or inadequately treated wastes during electrical power failures either by means of
alternate power sources, standby generators or retention of inadequately treated effluent.
Seedon D Monitoring and Records
i. �t.enresentative Satnpline
Samples collected and measurements taken, as required herein, shall be characteristic of the volume and nature of
the permitted discharge. Samples collected at a frequency less than daily shall be taken on a day and time that is
characteristic of the discharge over the entire period the sample tepreseats. All samples shall be taken at the
monitotzng points specified in this permit and, unless,otherwise specified,- before the effluent joins or is diluted
by any other wastestream, body of water, ;or substance, Monitoring points shall not be changed without
notification to and the approval of the Petrait.Issuing Authority [40 CFVR 122.41 (1')].
• 2. Reporting
Monitoring results obtained dating the previous months) shall be summarized for each month and reported on a
monthly Discharge Monitoring Report (DMR) Form (MR 1, l.l, 2, 3) or alternative forms approved by the
Director, postmarked no later than the last calendar day of -the month following the completed reporting period.
The first DMR is due on the last day of the month following the issuance of the permit or 3n the case of a new
facility, on -the last day of the month following the commencement of discharge. Duplicate signed copies of
these, and all other reports required herein, shall be submitted to the following address:
NC DENR /Division of Water Quality / Water Quali
ty Section .
ATTLNTION: Central Files
.1617 Mail Service Center
Raleigh, North Carolina 27699-1617
3. Flow Measurements -
Appropriate flow measurement devices and methods consistent with accepted scientific practices shall be selected
and used to ensure the accuracy and reliability of measurements of the volume of monitored discharges. The
devices shall be installed, calibrated and maintained to ensure that the accuracy of the measurements is consistent
with the accepted capability of that type of device. Devices selected shall be capable of measuti flows with a-
maxi.mum deviation of less than 10% from the true discharge rates throughout the range of expected discharge
volumes. Flow measurement devices shall be accurately calibrated ata minimum of once per year and maintained
to ensure that the accuracy of the measurements is consistent with the accepted capability of that type of device.
The Director shall approve the flow measurement device and monitoring location prior to installation.
Once -through condenser cooling water flow
monitored by pump logs, or pump hoot meters as specified in Part I
of this permit and based on the manufacturer's pump carves shall not be subject to this requirement.
4. Test Procedures
Laboratories used for sample .analysis must be certified by the Division. Permittees should contact the Division's
Laboratory Cercation Section (919 733-3908 or h //Li2o enr.stn e.nc.us 1 b cert.h for information
regarding laboratory certifications.
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Personnel conducting testing. of Held -certified parameters must hold the appropriate field parameter
certifications.
Test procedures .for the analysis of pollutants shall conform to the EMC regulations (published pursuant to
NCGS 143-215.63 et, seq.), the Water and Air Quality Reporting Acts, and to regulations published pursuant to
Section 3040, 33 USC 1314, of the CWA (as. amended), and 40 CFR 136; or in the case of sludge use or disposal,
approved under 40 CFR 136, unless otherwise specified in 40 CFR 503, unless other test procedures have been
specified in this permit [40 CFR 122.41].
To meet the intent of the monitoring required by this permit, afl test procedures must produce minimum
detection and reporting levels that ate below the permit discharge requirements and all data generated must be
reported down to the minunum detection or lower reporting level of the procedure. If no approved methods are
determined capable of achieving minimum detection and reporting levels below permit discharge requirements,
then the most sensitive (method with the lowest possible detection and reporting level) approved method must
be used.
5. Penalties for Tam_t�g
The CWA provides that any person who falsifies, tampers with, or knowingly renders inaccurate, any monitoring
device or method required to be maintained under this permit shall, upon conviction, be punished by a fine of
not more than $10,000 per violation, or by imprisonment for not more than two years per violation, or by both.
If a conviction of a person is for a violation committed after a first conviction of such -.person under this
paragraph, punishment is a fine of not more than $20,000 per day of violation, or by imprisonment of not more
than 4 years, or both [40 CFR 122.41].
6. R�cords'Retentign
Except for records or 'monitoring information required by this permit related to the Permittee's sewage sludge
use and disposal activities, which shall be retained for a period of at least five years (or longer as required by 40
CFR 503)1 the Permittee shall retain records of all monitoring information, including:
D all calibration and maintenance records
➢ all original strip chart recordings for continuous monitoringxnstrumentation
➢ copies of all reports required by this permit
➢ copies of all data used to complete the application for this permit
These records or copies shall be maintained for a" period of at least 3 years from the date of the sample,
measurement, report or application. This period may be extended by request of the Director at any time [40 CFR
122.41].
7. Recording Results
For each ineasiirernent or sample taken putsuarit to the requixements of this permit, the Permittee shall record
the following information [40 CFR 122.41]:
a. The date, exact place, and time of sampling or measurements;
b. The individuals) who performed the sampling or measurements;
c. The date(s) analyses were performed;
d. The individual(s) who performed the analyses;
e. The analytical techniques or methods used; and
f. The results of such analyses.
8. Instieciion and Entry
The Permittee shall allow the Director, or an authorized representative {including an authorized contractor acting
as a representative or the Director), upon the presentation of credentials and other documents as may be required
by law, to;
a. Entex upon the Permittee's premises where a regulated facility or activity is located or conducted, or where
records must be kept under the conditions of this permit;
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b. Have access to and copy, at reasonable times, any records that must be kept under the conditions of this
permit;
�—' c. Inspect at reasonable times any facilities, equipment (including monitoring and control equipment), practices,
or operations regulated or required under this permit, and
d. Sample or monitor at reasonable times, for *the purposes of assuring permit compliance or as otherwise
authorized by the CWA, any substances or parameters at any. location [40 CFR 122.41
Section E Renor#ing,�equicements
1. Change in �S arae
All discharges authorized herein shall be consistent with the terms and conditions of this permit. The discharge
of any pollutant identified in this permit more frequently than or at a level in excess of that authorized shall
constitute a violation of the permit.
2. Planned Changes
The Permittee shall give notice to the Director as soon as possible of any planned physical alterations or
additions to the permitted facility [40 CFR 122.41 (1)]. Notice is required only when:
a. The alteration or addition to a permitted facility may meet one of the criteria for new sources at 40 CFR
122.29 (b); or
b. The alteration of addition could significantly change the nature .or increase the quantity of pollutants
discharged. This notification applies to pollutants subject neither to effluent limitations in the permit; nor to
notification requirements under 40 CFR 122.42 (a) (1):
c. The alteration or addition results in a significant change in the Permittee's sludge use or disposal practices,
and such alteration, addition or change may justify the application of permit conditions that are different
from or absent in the existing permit, including notification of additional use or disposal sites not reported
during the permit application process or not reported pursuant to an approved land application plan: • .
3.. Anticipated
Noncomaliance - -,
The Permittee shall give advance notice to the Director of any planned changes to the permitted facility or other
activities that might result in noncompliance with the permit [40 CFR 122.41 (1) (2)].
4. Transfers
This permit is not transferable to any person without approval from the Director. The Director may requite
modification or revocation and reissuance of the permit to document the change of ownership. Any such action
may incorporate other requi ements as may be necessary under the CWA [40 CFR. 122.41 {1) (3)].
5. .Mo�.1m�,toring_Ret)o
its
Monitoring results shall be reported at the intervals specified elsewhere in this. permit [40 CFR 122.41 (1) {4}].
a. Monitoring results must be reported on a Discharge Monitoring Report (DMR) (
See Part II. D. 2) or forms
provided by the Director for reporting results of monitoring of sludge use or disposal practices.
b. If the Permittee monitors any pollutant more frequently than required by this permit, the results of such
monitoring shall be included in the calculation and reporting of the data submitted on the DMR
6. Twp -four Hour Rep
oxting
a. The Permittee shall report to the Director or the appropriate Regional Office any noncompliance that
potentially threatens public health or the environment. Any information shall be provided orally within 24
hours from the time the Permittee became aware of the circumstances. A written submission shall also be
provided within 5 days of the time the Permittee becomes aware of the circumstances. The written
submission shall contain a description, of the noncompliance, and its cause; , the period of noncompliance,
including exact dates and times, and if the noncompliance has not been corrected, the anticipated time it is
expected to cbntinue; and steps taken. or plahned to -reduce, eliminate, and prevent reoccurrence of the
noncompliance [40 CFR 122.41 (1) (6)].
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b. The Director may waive the written report on a case-by-case basis for reports under this section if the oral
report has been received within 24 hours.
c. Occurrences outside normal business hours xnay also be reported to the Division's Emergency Response
personnel at (800) 662-79561 [phone] or [phone].
7. Other Noncom��nce
The Permittee shall report all instances of noncompliance not reported under Part II. E. 5 and 6. of this permit at
the time :monitoring reports are submitted. The reports shall contain the information listed in Part IL E. 6. of
this permit [40 CFR 122.41 (1) (7)1.
8. Qther Information
Where the Permittee becomes aware that it failed to• submit any relevant facts in a permit application, or
submitted incorrect information in a permit application or in any report to the Director, it shall promptly. submit
such facts or information [40 CFR 122.41 (1) (8)1.
9, Noncompliance Ngtificati�n
The Permittee shall report by *telephone to either the central office or the appropriate regional office of the
Division as soon as possible, but in no case more than 24 hours or on the next working day following the
occurrence or first knowledge of the occurrence of any of the following:
a. Any occurrence at the water pollution conteol facility which results in the discharge of significant amounts of
wastes which are: abnormal in quantity or characteristic, such as the dumping of the contents of a sludge
digester; the known passage of a slug of hazardous substance through the facility; or any other unusual
circumstances.
b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate
wastewater treatment such as mechanical or electrical failures of pumps, aerators, compressors, etc.
c. Any failure of a pumping station, sewer line, or treatinent facility resulting in a by-pass without treatment of
all or any portion of the influent to such station or facility.
Persons reporting such occurrences by telephone shall also file a'written report within 5 daps following &est
knowledge of the occurrence.
10. Availabilit�,of,Re
ports
Except for data determined to be confidential under NCGS 143215.3 (a)(2) or Section 308 of the Federal Act, 33
USC 13187 all reports prepared in accordance with the terms shall be available for public inspection at the offices
of the Division: As required by the Act, effluent data shall not be considered confidential. Knowingly making
any falsestatement on any such report may result in the I imposition of criminal penalties as provided for in
NCGS 143-2151(b)(2) or in Section 309 of,the Federal Act.
11. Penalties for Falsification of Reports
The CWA provides that any person vYha knowingly makes any false statetx�.ent, representation, or certification in
any record or other document submitted or required to be maintained under this permit, including monitoring
reports or reports of compliance or noncompliance shall, upon conviction, be punished by a fine of not more
than $25,000 per violation, or by imprisonment for not more than two years per violation, or by both [40 CFR
122.41].
12. Annual Performance Reports
Permittees wbo own or operate facilities that collect or treat municipal or domestic waste shall provide an annual
report to the Permit Issuing Authority and to the us sl served by the Permittee (NCGS 143_215.10).
The report shall summarize the performance of the collection or treatment system, as well as the extent to which
the facility was compliant with applicable Federal or State laws, regulations and rules pertaining to water. quality.
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The report shall be provided no later than sixty days a£ter:the end of the calendar or fiscal year, depending upon
which annual period is used for evaluation.
The report shall be sent to:
NC DENR / DWQ i Central Files
1617 Mail Service Center
Raleigh, NC 276994617
OTHER REQU�REME--NTS
Sectio�;Q. Construction
The Permittee shall not commence construction of wastewater treatment facilities, not add to the plant's treatment
capacity, not change the treatment process(es) utilized at the treatment plant unless the Division has issued an
Authorization to Construct (AtC) permit. Issuance of an AtC will not occur %until Final Plans and Specifications for
the proposed construction have been submitted bq the Permittee and approved by the Division.
Section B. Groundwater Monitoring
The Permittee'shall, upon written notice from the Director, conduct groundwater monitoring as may be requited to
determine the compliance of this NPDES permitted facility with the current groundwater standards.
Section C Changes in Discliarges-of Toxic Suhetances '
The Permittee shall notify the Permit Issuing Authority as soon as it knows of has reason to believe (40 CFR 122.42):
�..__ . a. That any activity has .occurred or will occur which would tesulk iri the discharge, on a routine of frequehk
basis, of any toxic pollutant which is not limited in the permit, if that discharge will exceed the highest of the
following "notification levels' ; '
(1) One hundred micrograms per liter 0001rg/L);
(2) Two hundred micrograms per -liter (200 µg/L) for acrolein and acrylonitrile; five hundred micrograms
per liter (500 µg/L) for 2,4-dinitrophen6l and for 2•methyl-4.64nittophenol; and one milligram per liter
(1 mg/L) for antimony,
(3) Five times'the maximum concentration value reported for that pollutant in the permit application,
b. That any activity has occurred or will
occur which would result in any discharge, on anon -routine or
inFrequeat basis, aF a toxic pollutant which is not ]ittuted in the permit, if that discharge will exceed the
highesf.o&- e following "notification levels';
(i) Five hundred micrograms per liter (500 gg/L);
(2) One milligram per liter (1 mg/L) for antimony;
(3) Ten times the maximum concentration value reported Tor that pollutant in the permit application.
Section D. Evaluation of Wastewater
Discharge Alternatives '
The Permittee shall evaluate all wastewater disposal alternatives and pursue the most environmentally sound
alternative of the reasonably cost effective alternatives, 'If the facility is in substantial non_compliance with the terms
and conditions of the NPDES permit or governing rules, regulations or laws, the Permittee shall submit a report in
such form and detail as required by the Division evaluating these alternatives and a plan of action within 60 days of
notification by the Division.
Section E. Facift Closure
Requirements
The Permittee must notify the Division at least 90 days prior to the closuxe of any wastewater treatment system
covered by this permit. The Division may require specific measures during 4eactivak6on Qf the system to prevent
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adverse impacts to waters of the State, This permit cannot be rescinded white any activities requiring this permit
continue at the permitted facility,
PATLI IV
SPECLAL CONDITIONS FOR MUNICIPAL F:A.CILITIES
Section A. Definitions
In addition to the definitions m Part II of this permit, the following definitions apply to municipal facilities:
Indirect Discharge or Industrial User .
Any mon-domestic source that discharges wastewater containing pollutants into a POTW regulated under section
309(b), (c) or (d) of the CWA. [40 CFR. 403.3 (b) (i) and (j)]
Interference
Inhibition or disruption of the POTW treatment processes; operations; or its sludge process, use, or disposal which
causes or contributes to a violation of anyrequirement of the POTWs NPDES Permit or<prevents sewage sludge use
or disposal in compliance with specified applicable State and Federal statutes, regulations, or permits. (15A NCAC
2H.0903 (b) (13)]
Passim -
A discharge which exits the POTW into waters of the State in quantities or concentrations which, alone or with
discharges from other sources, causes a violation, including an increase in the magnitude or duration of a violation; of
the POTWs NPDES permit, or of an mstream water quality standard. [15A NCAC 2H.0903 (b) (23)]
Publicly. Owned Treatment Works (POTW,I
A treatment works as defined by Section 212 of the CWA, owned by a State or local government entity, This
definition includes any devices and systems used in the storage, treatment, recycling.and reclamation of municipal
sewage or industrial wastes of a liquid nature. It also includes sewers, pipes, and other conveyances only if they
convey wastewater to a POTW. The term also means the local government entity, or municipality, as defined in
section 502(4) of the CWA, which, has jurisdiction over indirect discharges to and the discharges from such a
treatment works. [15A NCAC 211.0903 (b) (27)]
"Significant Industrial User" or "SIU'r
An industrial user that discharges wastewater into a publicly owned treatment works and that [15A NCAC 211A903
(b) (34)]:
(a) discharges= an average of 25,000 gallons or more per day of process wastewater to the POTW (excluding
sanitary, noncontact cooling and boiler blowdown wastewaters) or;
(b) contributes mote than 5 percent of the design flow of the POTW treatment plant or more than 5 percent of
the maximum allowable headworks loading of the POTW treatment plant fox any pollutant of concern, or,
(c) is required to meet a national categorical pretreatment standard, or;
(d) is, regardless of Parts (a); (b), and (c) of this definition, otherwise determined by the P01W, the Division, or
the EPA to have a reasonable potential for adversely affecting the POTWs operation or for violating any
Pretreatment standard or requirement or POTWs receiving stream standard, or to limit the POTWs sludge
disposal options.
Section B. Publicly Owned Treatment Works (PC?-T
Wsl
- All POTWs are required to prevent the introduction of pollutants into the POTW which will interfere with the
operation of the POTW, including interference with its use or disposal of municipal sludge, or pass_ through the
treatment works or otherwise be incompatible with such treatment works. [40 CFR 403.2]
All POT -Ws
must provide adequate notice to the Director of the following [40 CFR 122,42 (b)]:
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1. Any new introduction"of pollutants into the.POTW from an itidifect discharger, including pump and
hauled waste, which would be subject to section 301 or 306 of CWA if it were directly discharging those
pollutants; and
2. Any substantial change in the volume or character bf.pollutants being introduced by'an indirect discharger
as influent to that POTW at the time of issuance of the permit
3. For purposes of this -paragraph, adequate4 notice shall include information on (1) the quality and -quantity of
effluent introduced into the POTW, and.. 2) any anticipated impact that may result from the change of the
quantity or quality of effluent to be discharged from the POTW,
Sech,'gn C. Muniei:I►al Control oiP�llut��ts fronn� Ikxc�strial U'sees.
1. Effluent limitations are listed in Part I of this permit. Other pollutants attributable to inputs from industries
using the municipal system may be present in the Permittee's discharge. At such. time as sufficient information
becomes available to establish limitations for.such pollutants, this permit may be revised to specify effluent
limitations for any or all of such other pollutants in accordance with best practicable technology or water
quality standards.
2. Prohibited Discharges
a. Under no circumstances shall the Permittee allow introduction of pollutants or discharges into the waste
treatment system or waste collection system which cause or contribute'to Pass Through or Interference
as defined in 15A NCAC 214.0900 and 40 CFR 403. [40 CFR 403.5 (a) .(1)]
b. Under 'no circumstances shall the Permittee allow introduction of the following wastes in the waste
treatment orwaste collection system [40 CFR 403.5 (b)]:
1. Pollutants which create a fire or explosion hazard in the POTW, including, but not limited to,
wastestreams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60. degrees
Centigtade.using the test methods specified in 40 CFR 261.21;
2. Pollutants which cause corrosive structural damage to die POTW, but in no case discharges with
PIH lower than 5.0, unless the works is specifically designed to accommodate such discharges;
3. -Solid or viscous pollutants in amounts which cause obstruction to the flow in the POTW resulting
in Interference;
4. Any pollutant, including oxygen demanding pollutants (BOD, etc) released in a Discharge at a
flow rate and/or pollutant concentration which will cause Interference with the POTW,
5. Heat in amounts which will may inhibit biological activiEy in the POTW resulting in Interference,
but in no case heat in such quantities that the temperature at the POTW Treatment Plant exceeds
40°C (104°F) unless the Division, upon request of the POTW, approves alternate temperature
limits;
6:" Petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin in amounts that will
cause interference or pass through;
7. Pollutants which result in the presence of toxic gases, vapors, or flumes within the POTW min a
quantity that may cause acute worker Health and safety problems;
8. Any trucked or hauled pollutants, except at.discharge points designated by the POTW.
c, The Permittee shall investigate the source of all
discharges into the WWI'P, including slug loads and
other unusual discharges, which have the potential to adversely impact the perinittee's Pretreatment
Program and/or the operation of the WWFP.
The Permittee shall report such discharges into the WW'I'P to the Director or the appropriate Regional
Office. Any information shall be provided orally within 24 hours from the time the Permittee became
aware of the circumstances. A written subimission shall also be provided within 5 days of the time the
Permittee becomes aware of the circumstances. The written submission shall contain a description of
the discharge, the investigation into possible sources; the period'of the discharge, including exact dates
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and times; and if the discharge has not ceased, the anticipated "time it is expected to continue; and steps
taken or planned to reduce, eliminate, and prevent reoccurrence'of the noncompliance,
3. With regard to the effluent requirements listed in Part I of this permit, it may be necessary for the Permittee to
supplement the requirements of the Federal Pretreattnent.Standatds (40 CFR, Part 403) to ensure compliance
by the Permittee with all applicable effluent limitations. Such actions by the Permittee may be necessary
regarding some or all of the industries discharging to the municipal system.
4. The PerYriittee shall require any industrial discharger sending its effluent to the permitted systemto meet
.Federal Pretreatment Standards promulgated in response to Segtion 307(b) of the Act as amended (which
includes categorical standards and locally derived limits and narrative requirements). Prior to accepting
wastewater from any significant industrial user, the Permittee shall either develop and submit to the%Division a
new Pretreatment Program or .a modification of an existing Pretreatment Program,. for approval as required
under section D below as weU as 15A NCAC 2H,0907 (a) and (b)..[40 CFR 122.44 (j) (2)]
5. 'This permit shall be modified, or alternatively, revoked and reissued, to incorporate or modify an approved
POTW Pretreatment Program or to include a compliance schedule for the development of a POTW
Pretreatment Program as required under Section 402 (b) (8) of the CWA and implementing regulations or by
the requirements of the approved State pretreatment program, as appropriate.
Section D. Pretreatment Programs
Under authority of sections 307 {b) and (c) and 402 {b) {8) of the CWA and implementing regulations 40 CFR 403,
North Carolina General -Statute 143-215.3 (14) and implementing regulations 15A NCAC 2H,0900, and in accordance
with the approved pretreatment program, all provisions and regulations contained and referenced in the Pretreatment
Program Submittal are an enforceable part of this permit, [40 CFR 122,44 (j) (2)]
The Permittee shall operate its approved pretreatment program in accordance with Section 402 (b) ($) of the CW
A, ..-
40 CFR 403, 15A NCAC 2H,0900, and the legal authorities, policies, procedures, and financial provisions contan
ied
is its pretreatment program submission.and Division approved modifications thereof. Such, operation shall include
but is not limited to the implementation of the following;conditions and requirements. Terms not defined in Part H
or Part IV of this permit areas defined in 15A NCAC 2H.0903 and 40 CFR 403.3.
1. Sewer s Ordinance.
SUO
The Permittee shall maintain adequate legal authority to implement its approved pretreatment program. [15A
NCAC 2H.0905 and .0906; 40 CFR 403.8 (f) (1) and 403.9 (1), (2)]
2. Industrial Waste Survey (I,=
The permittee shall implement an IWS consisting of the survey of users of the POTW, as required by 40 CFR
403.8 ( (2) (rill) and 15A NCAC 2H.0905 [also 40 CFR 122,44. (1)], including identification of all industrial
users and the character and amount of pollutants contributed to the POTW by these industrial users and
identification of those industrial users meeting the definition of SIU. The Permittee shall submit a summary of
its IWS activities to the Division at least once every five years,. and as required by the Division, The IWS
submission shall include a summary of any investigations conducted under paragraph ]3, 2, c, of this Part.
3. Monitoring Plan
The Permittee shall implement aDivision-approved Monitoring Plan for the collection of facility speck data
to be used in a wastewater treatment plant Headworks Analysis (HWA) for the development of specific
pretreatment local limits. Effluent data from the Plan shallbe reported on the DMRs (as required by Part II,
Section D. and Section E.5.), [15A NCAC 2I -I.0906 (b) (2) and .0905]
4. H
eadworks Analysis (I�.A and Local Limits .
The Permittee shall obtain Division approval of a I-IWA at least once every five years, and as required by the �--
sion. Within 180 days of the effective date of this permit (or any subsequent permit modification) the
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NPDES Permit Standard Conditions
Page 17 of 18
Permittee shall submit to the Division a written technical evaluation of the need to revise local limits kite., an
updated HWA or do4umentation of why one is not needed) [40 CFR 122.44]. The Permittee shall develop, in
accordance with 40 CFR 403.5 (c) and 15A NCAC 214.09.09, specific Local Limits to implement the
prohibitions listed in 40 CFR. 4035 (a) and (b) and 15A NCAC 2H:0909.
5, Industrial User Pretreatment (I1JP) & Allocation Tables
In accordance with NCGS 143215.1, the Petrniftee sball issue to all significant industrial users, permits for
operation of pretreatment equipment'and discharge to the Permittee's treatment works. These permits shall
contain limitations,.sampling protocols, reportingreq* Wtements, appropriate standard and special conditions,
and compliance schedules as necessary for the installation of treatment and control technologies to assure that
their wastewater discharge will meet all applicable pretreatment.standards and requirements. The Permittee
shall maintain a current Allocation Table (AT) which summarizes the results of the HWA and the limits from
all IUPs. Permitted IUP loadings for each parameter cannot exceed the treatment capacity of the POTW as
determined by the HWA. [15A NCAC 2H.0909, .0916, and .0917; 40
rmiCFR. 4035, 403,8 ( (1) (iii); NCGS 143-
215.67 (a)]
G. Autho ' ati n o c
The Permittee shall ensure that an Authorization.to Construct permit (AtQ is issued to all applicable industrial
users for the construction or modification of any pretreatment facility. Prior to the 'issuance of an AtC, the
proposed pretreatment facility and treatment process must be evaluated for its capacity to. comply with all
Irndusttial User Pretreatment Permit (lOP) limitations, [15A NCAC 2H.0906 (b) (6) and .0905; NCGS 143,
215.1 (a) (8)]
7. �OTW Ins,�s�ct]on &Monitoring of, their ICTs
The Permittee shall conduct inspection, surveillance, andmonitoring activities as described in its Division
approved p -retreatment program in order to determine, independent of information supplied by industrial users,
compliance with applicable pretreatment standards. [15A NCAC 214 .0908(d); 40 CFR 403.8( (2)(y)]. The
Permittee must
a. Inspect all Signi&cant Industrial Users {SIUs) at least once per calendar year; and
b. Sample all:Significant Industrial Users (SIUs) at least twice per calendar year for all permit limited
pollutants, once during the period from January 1 through lune 30 and once during the period from
July 1 through December 31, except for organic compounds which shall. be sampled at least once per
calendar year; For the purposes of this .paragraph, i0organic compounds" tneans the types of
compounds listedin 40 CFR 136.3.(a), Tables IC, ID, and Ili, as amended.
8. IU Self Mont;1Q6ng
�a nd Reporting
The. Pettnittee shall require all industrial users to comply .with the applicable rnorutoring and reporting
requirements outlined in the Division"approved pretreatment program, .the industry`s pretreatment permit, or
in 15A. NCAC 2H .0908. [15A NCAC 2H .0906(b)(4) and .0905; 40 CFR 403.8( (1)(y) and (2)(iii); 40 CFR
122.440) (2)] .
9. Enforcement
ResuonsePlan (ERPI
The Perluittee shall .enforce and obtain appropriate remedies for violations of all pretreatment standards
promulgated pursuant to section 307(b) and (c) of the Clean Water Act (40 CFR 405 et. seq), prohibitive
discharge standards as set forth in 40 CFR. 403.5 and 15A NCAC 2H.0909, and specific local limitations, All
enforcement actions shall be consistent with the Enforcement Response Plan. (ERP) approved by the Division.
[15A NCAC 2H .0906(b)(7) and .0905; 40 CFR 403$kf)(5)]
10. Pretreatment Annual Rem ortg
,,(PAR)
The Permittee shall report to the Division in accordance with 15A NCAC 214 .0908. In lieu of submitting
annual reports, Modified Pretreatment Programs developed under 15A NCAC 2H .0904 (b) may be required to
submit a partial annual report or to meet with Division personnel periodically to discuss enforcement of
pretreatment requirements and other pretreatment implementation issues.
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NI'DES Permit Standard Conditions
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For all other active pretreatment programs, the Permittee shall submit two copies of a Pretreatment Annual
Report (PAR) describing its pretreatment activities over the previous twelve months to the Division at the
following address:
NC DENR / DWQ / Pretreatment, Emergency Response, and Collection Systems Unit (PERCS)
1617 Mail Service Center
Raleigh, NC 276994617
These reports shall be submitted according to a schedule established by the Director and shall contain the
following
a.) Narrative
A brief discussion of reasons for, status of, and -actions taken for all Industrial Users (IUs) in Significant
Non -Compliance (SNC);
b.) Pretreatment Pgoaam Sii=ary �PPSi
A pretreatment program summary (PPS) on specific forms approved by the Division;
c.) Si�ficant Non -Co fiance Report ($,NCR=
The nature of the violations and the actions taken or proposed to correct the violations on specific forms
approved by the Division;
d.) biz dustdai Data Summary Fomes WSZ
Monitoring data from samples collected by both the POTW and the Significant Industrial User (SIU)
and any monitoring data for other Industrial Users (IUs) in SNC. These analytical results must be
reported on Industrial Data -Summary Forms (IDSF) or other specific format approved by the Division;
e.) Other Information
Copies of the POTWs allocation table, new or modified enforcement compliance schedules,. public
notice of IUs in SNC, and any other information, upon request, which in the opinion of the Director is
needed to determine compliance with the pretreatment implementation requirements of this permit;
The Permittee shall publish annually a list of Industrial Users (ills) that were in Significant Non -Compliance
($NC) as -defined in the Permittee's Division�approved Sewer Use Ordinance with applicable pretreatment
requirements and standards during the, previous twelve month period. This list shall be published within four
months of the applicable twelve-month period. f15A NCAC 2H .0903(bl(35)0 .0908(b)(5) and .0905 and 40
CFR 403:8(O 21(v W
12. Record K
e�ing
The Permittee shall retain for a minimum of three pears records o£ monitoring activities and results, along with
support information including general records, water quality records, and records of industrial impact on the
POTW. [15A NCAC 2H.0908( 40 CFR 403.12(o)]
13. Fund__. �nLy and Financia, Report
The Permittee shall mairxtair� adequate funding and staffing levels to accomplish the objectives
of its approved
pretreatment program. [15A NCAC 214.0906(a) and .0905; 40 CFR 403:80(3), 403.9(b)(3)]
14. Modification
to,;Orgtreatment Programs
Modifications to the approved pretreatment program including buC not limited. to local limits modifications,
POTW monitoring of thrix Significant Industrial Users ($IUs), and Monitoring Plan modifications, shall be
considered a permit modification and shall be governed by 15 NCAC 2H .017.4 and 15A NCAC 2H.0907.
Version 7/2D09

Water Infrastructure
ENVIRONMENTAL QUALITY
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
KIM H. COLSON
Director
June 28, 2018
Ms. Donna Davis, Utilities Director
Stanly County
1000 N. First Street, Suite 12
Albemarle, North Carolina 28001
Subject: Funding Deadline Extension
Stanly County
West Stanly WWTP and Sanitary Sewer Improvements
Project No. CS370834-04
Dear Ms. Davis:
The Division has received your request for an extension to the project milestone
deadlines. Based upon our review of your request, we have modified the project milestone
deadlines as follows:
Milestone
Old Deadline
New Deadline
Engineering Report Submittal
October 1, 2015
October 1, 2015
Engineering Report Approval
February 1, 2017
February 1, 2017
Bid and Design Package Submittal
June 1, 2018
August 1, 2018
Bid and Design Package Approval
September 5, 2018
December 14, 2018
Advertise Project, Receive Bids, Submit Bid
Information, and Receive Authority to Award
December 5, 2018
March 15, 2019
Execute Construction Contract(s)
February 1, 2019
1 Aril 15, 2019
All other funding requirements remain unchanged. Failure to meet these new deadlines
will result in -your forfeiture of funding in accordance with NCGS §159G-41.
Nothing Compares�7-�
State of North Carolina I Environmental Quality I Water Infrastructure
512 N. Salisbury Stmt. Raleigh, North Carolina 27604 1 1633 Mail Service Center, Raleigh, North Carolina 27699-1633
919 707 9160

Ms. Donna Davis, Utilities Director
June 28, 2018
Page 2 of 2
If you have any questions, please contact Ken Pohlig, PE at [e-mail] or
[phone].
Sincerely,
Seth Robertson, PE, Chief
State Revolving Fund Section
cc: Jimmy Holland, PE, WK Dickson, Charlotte, NC
_Mark_ Hubbard, PE_(via email) _
Anita E. Reed, PE
Ken Pohlig, PE (via email)
SRF File (COM/ME)