NC0087084_Renewal (Application)_20240607

to.STATp"
tY
�d �p w uaf
f i 1%
ROY COOPER .61 4,;,�. 6la
Gover not
t
ELIZABETH S.BISER `• ^^n
Secretary tY : t
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
June 10, 2024
Town of Forest City
Attn: Janet H. Mason, Town Manager
9855 Warren H Abernathy Hwy
Spartanburg, SC 29301
Subject: Permit Renewal
Application No. NC0087084
Riverstone Industrial Park WWTP
Rutherford County
Dear Applicant:
The Water Quality Permitting Section acknowledges the June 7, 2024, receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://www.deq.nc.gov/permits-rules/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely
S2 4 I
Wren i edfors
Administrative Assistant
Water Quality Permitting Section
cc: Tommy Wilson, ORC
ec: WQPS Laserfiche File w/application
D_E Q J/ North Carolina Department of Environmental Quality I Division of Water Resources
Ashcvlllc Regional Office 2090 U.S.Highway 70 Swannanoa.North Carolina 28778
d:r.;`...it..:....., .r. /" 82829b 4500

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
Form U.S.Environmental Protection Agency
2A .EPA Application for NPDES Permit to Discharge Wastewater
NPDES NEW AND EXISTING PUBLICLY OWNED TREATMENT WORKS
SECTION 1.BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(,)!1' pd+(a))
1.1 Facility name ' II
Riverstone Industrial Park WWTP
Mailing address(street or P.O.box) JUN 0 7 2024
Post Office Box 728
City or town State NCDEQ/DW F IES
o Forest City NC 28043
E Contact name(first and last) Title Phone number Email address
8 Tommy Wilson Plant Superintendent [phone] [e-mail]
c
'' Location address(street,route number,or other specific identifier) ❑ Same as mailing address
A 219 Broad River Blvd.
u_
City or town State ZIP code
Forest City NC 28043
1.2 Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission 0 No
requirements for new dischargers.
1.3 Is applicant different from entity listed under Item 1.1 above?
❑✓ Yes ❑ No 4 SKIP to Item 1.4.
Applicant name
Town of Forest City
c Applicant address(street or P.O.box)
o Post Office Box 728
E 0 City or town State ZIP code
c Forest City NC '28043
la Contact name(first and last) Title Phone number Email address
a Janet Mason City Manager [phone] [e-mail]
Q 1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.)
❑ Owner ❑ Operator 0 Both
1.5 To which entity should the NPDES permitting authority send correspondence?(Check only one response.)
0 Facility 0 Applicant 0 Facility and applicant
(they are one and the same)
1.6 Indicate below any existing environmental permits.(Check all that apply and print or type the corresponding permit
number for each.)
E
ti Existing Environmental Permits
✓❑ NPDES(discharges to surface ❑ RCRA(hazardous waste) ❑ UIC(underground injection
c water) control)
g NC0087084
c
o ❑ PSD(air emissions) 0 Nonattainment program(CM) 0 NESHAPs(CM)
c
w
a)
ri ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
w 404)
EPA Form 3510-2A(Revised 3-19) Page 1

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
1.7 Provide the collection system information requested below for the treatment works.
Municipality Population Collection System Type Ownership Status
Served Served (indicate percentage)
Riverstone Unknown
100 %separate sanitary sewer 0Own 0 Maintain
Industrial Park
0 %combined storm and sanitary sewer 0 Own ❑ Maintain
d 0 Unknown El Own ❑ Maintain
c %separate sanitary sewer 0 Own 0 Maintain
%combined storm and sanitary sewer ❑ Own 0 Maintain
CO
0 Unknown ❑ Own ❑ Maintain
a %separate sanitary sewer ❑ Own 0 Maintain
c %combined storm and sanitary sewer 0 Own ❑ Maintain
cu El Unknown El Own 0 Maintain
a, %separate sanitary sewer 0 Own ❑ Maintain
cn %combined storm and sanitary sewer El Own ❑ Maintain
El Unknown El Own ❑ Maintain
Total
cp Unknown
Population
0 Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of 0.7 mi.gravity sewer /°°
sewer line(in miles) 10o o
�' 1.8 Is the treatment works located in Indian Country?
c
o ❑ Yes ❑✓ No
U
c 1.9 Does the facility discharge to a receiving water that flows through Indian Country?
c 0 Yes ❑� No
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
0.05 mgd
= inAnnual Average Flow Rates(Actual)
aTwo Years Ago Last Year This Year
Coco
0.0043 mgd 0.0055 mgd 0.0064 mgd
Maximum Daily Flow Rates(Actual)
o Two Years Ago Last Year This Year
0.0314 mgd 0.0363 mgd 0.0210 mgd
,n 1.11 Provide the total number of effluent discharge points to waters of the United States by type.
o Total Number of Effluent Discharge Points by Type
a at Constructed
Combined Sewer
Treated Effluent Untreated Effluent Bypasses Emergency
rci C .Q Overflows Overflows
w,
3 1 N/A N/A N/A N/A
EPA Form 3510-2A(Revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
Outfalls Other Than to Waters of the United States
1.12 Does the POTW discharge wastewater to basins,ponds,or other surface impoundments that do not have outlets for
discharge to waters of the United States?
❑ Yes ❑✓ No 4 SKIP to Item 1.14.
1.13 Provide the location of each surface impoundment and associated discharge information in the table below.
Surface Impoundment Location and Discharge Data
Average Daily Volume Continuous or Intermittent
Location Discharged to Surface
Impoundment (check one)
❑ Continuous
gpd ❑ Intermittent
❑ Continuous
gpd ❑ Intermittent
O Continuous
ti gpd ❑ Intermittent
-O
1.14 Is wastewater applied to land?
❑ Yes ❑� No 4 SKIP to Item 1.16.
0 1.15 Provide the land application site and discharge data requested below.
C Land Application Site and Discharge Data
o Continuous or
Location Size Average Daily Volume Intermittent
Applied (check one)
acresgpd 0 Continuous
o 0 Intermittent
acresgpd ❑ Continuous
0 Intermittent
0 acres d 0 Continuous
9p 0 Intermittent
R 1.16 Is effluent transported to another facility for treatment prior to discharge?
o ❑ Yes m No 4 SKIP to Item 1.21.
1.17 Describe the means by which the effluent is transported(e.g.,tank truck,pipe).
1.18 Is the effluent transported by a party other than the applicant?
❑ Yes ❑ No- SKIP to Item 1.20.
1.19 Provide information on the transporter below.
Transporter Data
Entity name Mailing address(street or P.O.box)
City or town State ZIP code
Contact name(first and last) Title
Phone number Email address
EPA Form 3510-2A(Revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
1.20 In the table below,indicate the name,address,contact information, NPDES number,and average daily flow rate of the
receiving facility.
Receiving Facility Data
-0 Facility name I Mailing address(street or P.O.box)
City or town State ZIP code
0
c.�
Contact name(first and last) Title
0
Phone number Email address
o
NPDES number of receiving facility(if any) ❑None Average daily flow rate mgd
a
6 1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do not
8 have outlets to waters of the United States(e.g.,underground percolation,underground injection)?
s ❑ Yes ❑✓ No 4 SKIP to Item 1.23.
0 1.22 Provide information in the table below on these other disposal methods.
;, Information on Other Disposal Methods
oDisposal Location of Size of Annual Average Continuous or Intermittent
c Method Disposal Site Disposal Site Daily Discharge (check one)
Description Volume
acres gpd 0 Continuous
❑ Intermittent
0
acresgpd ❑ Continuous
❑ Intermittent
acresgpd 0 Continuous
❑ Intermittent
1.23 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(n)?(Check all that apply.
tn Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
0 TA
❑ Discharges into marine waters(CWA ❑ Water quality related effluent limitation(CWA Section
cr
Section 301(h)) 302(b)(2))
ElNot applicable
1.24 Are any operational or maintenance aspects(related to wastewater treatment and effluent quality)of the treatment works
the responsibility of a contractor?
❑ Yes ❑✓ No 4 SKIP to Section 2.
1.25 Provide location and contact information for each contractor in addition to a description of the contractor's operational
and maintenance responsibilities.
Contractor Information
Contractor 1 Contractor 2 Contractor 3
a Contractor name
0
(company name)
Mailing address
(street or P.O.box)
City,state,and ZIP
code
0 Contact name(first and
c� last)
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
EPA Form 3510-2A(Revised 3-19) Page 4

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
SECTION 2.ADDITIONAL INFORMATION(40 CFR 122.21(j)(1)and(2))
o Outfalls to Waters of the United States
= 2.1 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
rn I
o ❑ Yes ❑✓ No 4 SKIP to Section 3.
c 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
'1 and infiltration.
gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
3 ICI
0
w
c
2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
R specific requirements.)
o'er
0
01:2 El Yes El No
0
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
`i (See instructions for specific requirements.)
o
LT as
o ❑ Yes 0 No
2.5 Are improvements to the facility scheduled?
0 Yes ❑ No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
0
1.
c
d
E
a 2.
E
0 0
y 3.
a
d
U
4.
7
co 2.6 Provide scheduled or actual dates of completion for improvements. _
Scheduled or Actual Dates of Completion for Improvements
E Affected Attainment of
v Scheduled Begin End Begin
o Outfalls Operational
Improvement Construction Construction Discharge
(from above) (list outfall Level
(MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY)
number) (MM/DD/YYYY)
1.
m
s
2
co
3.
4.
2.7 Have appropriate permits/clearances conceming other federal/state requirements been obtained?Briefly explain your
response.
0 Yes 0 No 0 None required or applicable
Explanation:
EPA Form 3510-2A(Revised 3-19) Page 5

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
SECTION 3.INFORMATION ON EFFLUENT DISCHARGES(40 CFR 122.21(j)(3)to(5))
3.1 Provide the following information for each outfall.(Attach additional sheets if you have more than three outfalls.)
Outfall Number o01 Outfall Number Outfall Number
State North Carolina
(VICOUnty Rutherford
4-
c
0 City or town Town of Forest City
0 1
g Distance from shore 25.30 ft. ft. ft.
Q
vs Depth below surface typ.above N/A ft. ft. ft.
co surface
0
Average daily flow rate 0.0064 mgd mgd mgd
Latitude 35° 12' 21" N ° "
Longitude 81° 50' 29" W ° "
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
o ❑ Yes ❑✓ No 4 SKIP to Item 3.4.
d
R 3.3 If so,provide the following information for each applicable outfall.
s
H Outfall Number Outfall Number Outfall Number
Number of times per year
c discharge occurs
a Average duration of each
o discharge(specify units)
o Average flow of each mgd mgd mgd
R discharge
cn Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ❑✓ No 4 SKIP to Item 3.6.
C, 3.5 Briefly describe the diffuser type at each applicable outfall.
O.
Outfall Number Outfall Number Outfall Number
L
a)
ca
7
i5
co. 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the United States from one or more
n discharge points?
3 - ❑✓ Yes ❑ No+SKIP to Section 6.
EPA Form 3510-2A(Revised 3-19) Page 6

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
3.7 i Provide the receiving water and related information(if known)for each outfall.
Outfall Number 001 Outfall Number Outfall Number
Receiving water name Broad River
Name of watershed,river,
0 or stream system Broad
U.S.Soil Conservation
Service 14-digit watershed 12-030501050503
code
15
Name of state Upper Broad
rn
management/river basin
U.S.Geological Survey
8-digit hydrologic 03050105
cataloging unit code
Critical low flow(acute) unknown cfs cfs cfs
Critical low flow(chronic) unknown cfs cfs cfs
Total hardness at critical mg/L of mg/L of mg/L of
low flow unknown CaCO3 CaCO3 CaCO3
3.8 Provide the following information describing the treatment provided for discharges from each outfall.
Outfall Number ow Outfall Number Outfall Number
Highest Level of 0 Primary ❑ Primary 0 Primary
Treatment(check all that 0 Equivalent to ❑ Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
0 Secondary ❑ Secondary ❑ Secondary
❑ Advanced ❑ Advanced 0 Advanced
0 Other(specify) ❑ Other(specify) 0 Other(specify)
0
Design Removal Rates by
Outfall 85.o%
BOD5 or CBOD5 85.0
TSS 85.0 %
I
l Not applicable 0 Not applicable ❑Not applicable
Phosphorus
I Not applicable ❑ Not applicable ❑Not applicable
Nitrogen
Other(specify) 0 Not applicable ❑Not applicable ❑Not applicable
EPA Form 3510-2A(Revised 3-19) Page 7

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
3.9 Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by
season,describe below.
-o Chlorine
c
.:
0
U
o Outfall Number all Outfall Number Outfall Number
Q. Disinfection type
Chlorine
Seasons used
(id
Year-Round
co
Dechlorination used? ❑ Not applicable ❑ Not applicable ❑ Not applicable
2 Yes ❑ Yes ❑ Yes
❑ No ❑ No ❑ No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
✓❑ Yes ❑ No
3.11 Have you conducted any WET tests during the 4.5 years prior to the date of the application on any of the facility's
discharges or on any receiving water near the discharge points?
❑✓ Yes ❑ No 4 SKIP to Item 3.13.
3.12 Indicate the number of acute and chronic WET tests conducted since the last permit reissuance of the facility's
discharges by outfall number or of the receiving water near the discharge points.
Outfall Number 001 Outfall Number Outfall Number
Acute Chronic Acute Chronic Acute Chronic
Number of tests of discharge 4/year 0
water
Number of tests of receiving 0
water
3.13 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
R ❑ Yes ✓❑ No 4 SKIP to Item 3.16.
3.14 Does the POTW use chlorine for disinfection,use chlorine elsewhere in the treatment process,or otherwise have
?
reasonablepotential to discharge chlorine in its effluent.
= 9
❑ Yes 4 Complete Table B,including chlorine. ❑ No 4 Complete Table B,omitting chlorine.
= 3.15 Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
w ❑ Yes ❑ No
3.16 Does one or more of the following conditions apply?
• The facility has a design flow greater than or equal to 1 mgd.
• The POTW has an approved pretreatment program or is required to develop such a program.
• The NPDES permitting authority has informed the POTW that it must sample for the parameters in Table C,must
sample other additional parameters(Table D),or submit the results of WET tests for acute or chronic toxicity for
each of its discharge outfalls(Table E).
Yes 4 Complete Tables C,D,and E as
❑ applicable. ElNo 4 SKIP to Section 4.
3.17 Have you completed monitoring for all applicable Table C pollutants and attached the results to this application
package?
❑✓ Yes ❑ No
3.18 Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
attached the results to this application package?
❑ Yes ❑✓ No additional sampling required by NPDES
permitting authority.
EPA Form 3510-2A(Revised 3-19) Page 8

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
3.19 Has the POTW conducted either(1)minimum of four quarterly WET tests for one year preceding this permit application
or(2)at least four annual WET tests in the past 4.5 years?
El Yes ❑ No 4 Complete tests and Table E and SKIP to
Item 3.26.
3.20 Have you previously submitted the results of the above tests to your NPDES permitting authority?
No 4 Provide results in Table E and SKIP to
❑✓ Yes ❑ Item 3.26.
3.21 Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results.
Date(s)Submitted Summary of Results
(MM/DDNYYY)
06/08/2023:TGE6C-Pass
09/12/2023:TGE6C-Pass
03/06/2024 12/02/2023:TGE6C-Pass
03/06/2024:TGE6C-Pass
o Note:This is the most recent submitted WET test.
co 3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority,did any of the tests result in
o toxicity?
0 Yes ❑ No 4 SKIP to Item 3.26.
F 3.23 Describe the cause(s)of the toxicity:
WET testing from 12/07/2021 resulted in a positive test.The toxicity was determined to be due to a change of ORC at
the plant and excessive sludge wasting during this transition.
w
3.24 Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes 0 No 4 SKIP to Item 3.26.
3.25 Provide details of any toxicity reduction evaluations conducted.
3.26 Have you completed Table E for all applicable outfalls and attached the results to the application package?
El Yes Not applicable because previously submitted
information to the NPDES •ermittin• authori .
SECTION 4.INDUSTRIAL DISCHARGES AND HAZARDOUS WASTES(40 CFR 122.21(j)(6)and(7))
4.1 Does the POTW receive discharges from SlUs or NSCIUs?
✓❑ Yes ❑ No 4 SKIP to Item 4.7.
d 4.2 Indicate the number of SlUs and NSCIUs that discharge to the POTW.
Number of SIUs Number of NSCIUs
N 1
0
17- 4.3 Does the POTW have an approved pretreatment program?
_ ❑✓ Yes 0 No
4.4 Have you submitted either of the following to the NPDES permitting authority that contains information substantially
identical to that required in Table F:(1)a pretreatment program annual report submitted within one year of the
application or(2)a pretreatment program?
❑✓ Yes ❑ No 4 SKIP to Item 4.6.
0
R 4.5 Identify the title and date of the annual report or pretreatment program referenced in Item 4.4.SKIP to Item 4.7.
Pretreatment Annual Report(Town of Forest City)-February 13,2024 02/13/2024
-a
4.6 Have you completed and attached Table F to this application package?
O Yes 0 No
EPA Form 3510-2A(Revised 3-19) Page 9

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
4.7 Does the POTW receive,or has it been notified that it will receive,by truck,rail,or dedicated pipe,any wastes that are
regulated as RCRA hazardous wastes pursuant to 40 CFR 261?
❑ Yes ❑ No 4 SKIP to Item 4.9.
4.8 If yes, provide the following information:
Annual
Hazardous Waste Waste Transport Method Amount of Units
Number (check all that apply) Waste
Received
❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
0
0
d ❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
N
0
O
.a
N ❑ Truck ❑ Rail
NI
❑ Dedicated pipe ❑ Other(specify)
R 4.9 Does the POTW receive,or has it been notified that it will receive,wastewaters that originate from remedial activities,
N including those undertaken pursuant to CERCLA and Sections 3004(7)or 3008(h)of RCRA?
o ❑ Yes ❑✓ No 4 SKIP to Section 5.
17, 4.10 Does the POTW receive(or expect to receive)less than 15 kilograms per month of non-acute hazardous wastes as
specified in 40 CFR 261.30(d)and 261.33(e)?
❑ Yes 4 SKIP to Section 5. ❑ No
4.11 Have you reported the following information in an attachment to this application:identification and description of the
site(s)or facility(ies)at which the wastewater originates;the identities of the wastewater's hazardous constituents;and
the extent of treatment,if any,the wastewater receives or will receive before entering the POTW?
❑ Yes ❑ No
SECTION 5.COMBINED SEWER OVERFLOWS(40 CFR 122.21(j)(8))
5.1 Does the treatment works have a combined sewer system?
rn ❑ Yes ❑✓ No+SKIP to Section 6.
5.2 Have you attached a CSO system map to this application?(See instructions for map requirements.)
Q ❑ Yes ❑ No
0
5.3 Have you attached a CSO system diagram to this application?(See instructions for diagram requirements.)
❑ Yes ❑ No
EPA Form 3510-2A(Revised 3-19) Page 10

r
EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
5.4 For each CSO outfall,provide the following information.(Attach additional sheets as necessary.)
CSO Outfall Number CSO Outfall Number CSO Outfall Number
City or town
0
•' State and ZIP code
0
ca
o County
co
= Latitude " o
0
co Longitude °
o
Distance from shore ft. ft. ft.
Depth below surface ft. ft. ft.
5.5 Did the POTW monitor any of the following items in the past year for its CSO outfalls?
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Rainfall ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
a,
c
o CSO flow volume ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
CSO pollutant 0 Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
o concentrations
co
0 Receiving water quality ❑ Yes ❑ No ❑ Yes ❑ No 0 Yes ❑ No
CSO frequency ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
Number of storm events ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
5.6 Provide the following information for each of your CSO outfalls.
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Number of CSO events in events events events
in the past year
as
cAverage duration per hours hours hours
C' event 0 Actual or 0 Estimated 0 Actual or 0 Estimated ❑Actual or 0 Estimated
w' million gallons million gallons million gallons
o Average volume per event
cc
c,, 0 Actual or 0 Estimated 0 Actual or 0 Estimated 0 Actual or 0 Estimated
Minimum rainfall causing inches of rainfall inches of rainfall inches of rainfall
a CSO event in last year 0 Actual or 0 Estimated 0 Actual or 0 Estimated 0 Actual or 0 Estimated
EPA Form 3510-2A(Revised 3-19) Page 11

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
5.7 Provide the information in the table below for each of your CSO outfalls.
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Receiving water name
Name of watershed/
stream system
U.S. Soil Conservation 0 Unknown 0 Unknown 0 Unknown
Service 14-digit
= watershed code
> (if known)
Name of state
ce management/river basin
co U.S.Geological Survey ❑ Unknown ❑ Unknown ❑ Unknown
8-Digit Hydrologic Unit
Code(if known)
Description of known
water quality impacts on
receiving stream by CSO
(see instructions for
exam'les
SECTION 6.CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and(d))
6.1 In Column 1 below,mark the sections of Form 2A that you have completed and are submitting with your application.For
each section,specify in Column 2 any attachments that you are enclosing to alert the permitting authority.Note that not
all applicants are required to provide attachments.
Column 1 Column 2
❑ Section 1: Basic Application ❑ w/variance request(s) ❑ w/additional attachments
Information for All Applicants
Section 2:Additional ✓❑ w/topographic map ❑✓ w/process flow diagram
Information ❑ w/additional attachments
❑✓ w/Table A ❑ w/Table D
❑ Section 3: Information on ❑ w/Table B ❑ w/Table E
Effluent Discharges
E ✓❑ w/Table C ❑✓ w/additional attachments
ca Section 4: Industrial ❑ w/SIU and NSCIU attachments ❑ w/Table F
❑✓ Discharges and Hazardous ❑
c Wastes w/additional attachments
Section 5:Combined Sewer ❑ w/CSO map ❑ w/additional attachments
Overflows
d
❑ w/CSO system diagram
❑ Section 6: Checklist and ❑ w/attachments
Certification Statement
U)
Y 6.2 Certification Statement
C)
, certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted.Based on my inquiry of the person or persons who manage the system,or those persons directly responsible
for gathering the information,the information submitted is,to the best of my knowledge and belief, true,accurate,and
complete. I am aware that there are significant penalties for submitting false information,including the possibility of fine
and imprisonment for knowing violations.
Name(print or type first and last name) Official title
ure Date si ned
V(AG(A-1— 06 0 31 .)--1
EPA Form 3510-2A(Revised 3-19) Page 12

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units Number of Methods (include units)
Samples
Biochemical oxygen demand
CI BOD5 or o CBOD5 20.30 mg/L 6.2346 mg/L 52(weekly) C0310 2.0 mg/L ❑' ML
(report one) o ML
❑MDL
Fecal coliform 1,200 #/100mL 70.019 #/100mL 52(weekly) 31616 2/100mL 0 MDL
Design flow rate 0.021 mgd 0.0064 mgd 212(daily)
pH(minimum) 6.000 su
pH(maximum) 8.100 su
Temperature(winter) 14.40 deg C 11.536 deg C 14(weekly)
Temperature(summer) 29.90 deg C 23.350 deg C 14(weekly)
12I ML
Total suspended solids(TSS) 45.00 mg/L 13.942 mg/L 52(weekly) C0530 2.5 mg/L ❑MDL
1 Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A(Revised 3-19) Page 13
i

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
TABLE B.EFFLUENT PARAMETERS FOR ALL POTWS WITH A FLOW EQUAL TO OR GREATER THAN 0.1 MGD
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of
lue Units Value Units Samples M •• (include units)
Ammonia(as N) ❑ML
❑MDL
Chlorine ❑ML
(total residual,TRC)2 ❑MDL
Dissolved oxygen ❑ML
❑MDL
Nitrate/nitrite Total Nitrogen ❑ML
❑MDL
❑ML
Kjeldahl nitrogen See Above ❑MDL
Oil and grease ❑ML
❑MDL
Phosphorus ❑ML
❑MDL
Total dissolved solids ❑ML
❑MDL
1 Sampling sh. .-conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
requir-. . •er 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
--cilities that do not use chlorine for disinfection,do not use chlorine elsewhere in the treatment process,and have no reasonable potential to discharge chlorine in their effluent are not
required to report data for chlorine.
EPA Form 3510-2A(Revised 3-19) Page 15

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units Number of Methods (include units)
Samples
Metals,Cyanide,and Total Phenols
Hardness(as CaCO3) 400 mg/L 315.2857 mg/L 12(monthly) SM 2340 C 0 ML
0 MDL
0 ML
Antimony,total recoverable ❑MDL
Arsenic,total recoverable 0.0040 mg/L 0.00028 mg/L 25 EPA 200.8 ❑ML
0 MDL
ID ML
Beryllium,total recoverable ❑MDL
Cadmium,total recoverable 0.0321 mg/L 0.0060 mg/L 25 EPA 200.7 ©ML
❑MDL
Chromium,total recoverable 0.0130 mg/L 0.001311 mg/L 25 EPA 200.8 ©ML
❑MDL
Copper,total recoverable 0.917 mg/L 0.06256 mg/L 25 EPA 200.7 ©ML
❑MDL
Lead,total recoverable 0.0917 mg/L 0.04197 mg/L 25 EPA 200.7 ML
0 MDL
0 ML
Mercury,total recoverable 0.00015 mg/L 0.000102 mg/L 25 EPA 245.1 0 MDL
Nickel,total recoverable 0.006 mg/L 0.002569 mg/L 25 EPA 200.8 ❑ML
❑MDL
Selenium,total recoverable 0.001 mg/L 0.00054 mg/L 25 EPA 200.8 ❑ML
❑MDL
Silver,total recoverable 0.0005 mg/L 0.0005 mg/L 25 EPA 200.8 ID ML
❑MDL
Thallium,total recoverable ❑ML
❑MDL
0 ML
Zinc,total recoverable 1.44 mg/L 0.5242 mg/L 12(monthly) EPA 200.8 .001 mg/L 0 MDL
Cyanide 0.081 mg/L 0.04194 mg/L 25 EPA 335.4 ❑ML
0 MDL
0 ML
Total phenolic compounds El MDL
Volatile Organic Compounds
Acrolein o ML
❑MDL
0 ML
Acrylonitrile ❑MDL
Benzene ❑ML
❑MDL
Bromoform 0 ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 17

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units Number of Method1 (include units)
Samples
Carbon tetrachloride ❑ML
❑MDL
Chlorobenzene ❑ML
❑MDL
Chlorodibromomethane ❑ML
❑MDL
Chloroethane ❑ML
❑MDL
2-chloroethylvinyl ether ❑ML
❑MDL
Chloroform ❑ML
❑MDL
Dichlorobromomethane ❑ML
❑MDL
1,1-dichloroethane ❑ML
❑MDL
1,2-dichloroethane ❑ML
❑MDL
trans-1,2-dichloroethylene ❑ML
❑MDL
1,1-dichloroethylene ❑ML
❑MDL
1,2-dichloropropane ❑ML
❑MDL
1,3-dichloropropylene ❑ML
❑MDL
Ethylbenzene ❑ML
❑MDL
Methyl bromide ❑ML
❑MDL
D ML
Methyl chloride ❑MDL
D ML
Methylene chloride ❑MDL
1,1,2,2-tetrachloroethane ❑ML
❑MDL
ML
Tetrachloroethylene ❑MDL
Toluene ❑ML
❑MDL
1,1,1-trichloroethane ❑ML
❑MDL
1,1,2-trichloroethane El ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 18

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method' (include units)
Value Units Value Units Samples
Trichloroethylene o ML
❑MDL
Vinyl chloride ❑ML
❑MDL
Acid-Extractable Compounds
p-chloro-m-cresol ❑ML
❑MDL
2-chlorophenol ❑ML
❑MDL
2,4-dichlorophenol ❑ML
❑MDL
2,4-dimethylphenol ❑ML
❑MDL
4,6-dinitro-o-cresol ❑ML
❑MDL
2,4-dinitrophenol ❑ML
❑MDL
2-nitrophenol ❑ML
❑MDL
4-nitrophenol ❑ML
❑MDL
Pentachlorophenol ❑ML
❑MDL
0 ML
Phenol 0.0025 mg/L 0.0025 mg/L 1 EPA 420.1 0.005El MDL
2,4,6-trichlorophenol ❑ML
❑MDL
Base-Neutral Compounds
Acenaphthene o ML
❑MDL
Acenaphthylene ❑ML
❑MDL
Anthracene ❑ML
❑MDL
Benzidine ❑ML
❑MDL
Benzo(a)anthracene ❑ML
❑MDL
Benzo(a)pyrene ❑ML
❑MDL
3,4-benzofluoranthene 0 ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 19

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method' (include units)
Value Units Value Units Samples
o ML
Benzo(ghi)perylene ❑MDL
D ML
Benzo(k)fluoranthene ❑MDL
D ML
Bis(2-chloroethoxy)methane ❑MDL
D ML
Bis(2-chloroethyl)ether ❑MDL
D ML
Bis(2-chloroisopropyl)ether ❑MDL '
D ML
Bis(2-ethylhexyl)phthalate ❑MDL
D ML
4-bromophenyl phenyl ether ❑MDL
D ML
Butyl benzyl phthalate ❑MDL
D ML
2-chloronaphthalene ❑MDL
D ML
4-chlorophenyl phenyl ether ❑MDL
D ML
Chrysene ❑MDL
D ML
di-n-butyl phthalate ❑MDL
D ML
di-n-octyl phthalate 0 MDL
D ML
Dibenzo(a,h)anthracene 0 MDL
1,2-dichlorobenzene ❑ML
❑MDL
1,3-dichlorobenzene ❑ML
❑MDL
1,4-dichlorobenzene ❑ML
❑MDL
3,3-dichlorobenzidine ❑ML
❑MDL
D ML
Diethyl phthalate ❑MDL
D ML
Dimethyl phthalate ❑MDL
2,4-dinitrotoluene ❑ML
❑MDL
2,6-dinitrotoluene ❑ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 20

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method, (include units)
Value Units Value Units Samples
1,2-diphenylhydrazine ❑ML
❑MDL
Fluoranthene 0 ML
❑MDL
Fluorene ❑ML
❑MDL
Hexachlorobenzene ❑ML
❑MDL
Hexachlorobutadiene ❑ML
❑MDL
Hexachlorocyclo-pentadiene ❑ML
❑MDL
Hexachloroethane ❑ML
❑MDL
Indeno(1,2,3-cd)pyrene ❑ML
❑MDL
Isophorone ❑ML
❑MDL
Naphthalene ❑ML
❑MDL
Nitrobenzene ❑ML
❑MDL
N-nitrosodi-n-propylamine ❑ML
❑MDL
N-nitrosodimethylamine ❑ML
❑MDL
N-nitrosodiphenylamine ❑ML
❑MDL
Phenanthrene ❑ML
❑MDL
0 ML
Pyrene ❑MDL
1,2,4-trichlorobenzene ❑ML
❑MDL
1 Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR Chapter I,Subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A(Revised 3-19) Page 21

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP 001 OMB No.2040-0004
TABLE D.ADDITIONAL POLLUTANTS AS REQUIRED BY NPDES PERMITTING AUTHORITY
Maximum Daily Discharge Average Daily Dischar e
Pollutant Analytical ML or MDL
(list) Value Units Value Units Number of Method1 (include units)
Samples
❑ No additional sampling is required by NPDES permitting authority.
Molybdenum 0.041 mg/L 0.007244 mg/L 25 200.8 ❑ML
❑MDL
Oil&Grease 5300 mg/L 108.97 mg/L 25 1664 B ❑ML
❑MDL
Total Phosphorus 14.4 mg/L 5.20915 mg/L 20 SM 4500 P F ❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
I Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or required
under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A(Revised 3-19) Page 23

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
I"BLE E.EFFLUENT MONITORING FOR WHOLE EFFLUENT TOXICITY
The t.c'e provides response space for one whole effluent toxicity sample.Copy the table to report additional test results.
Test Info Po 'on
Test Number Test Number Test Num
Test species
Age at initiation of test
Outfall number
Date sample collected
Date test started
Duration
Toxicity Test Methods
Test method number
Manual title
Edition number and year of publication
Page number(s)
Sample Type
Check one: ❑ Grab Grab 0 Grab
❑ 24-hour composite 0 2- •.urcomposite 0 24-hour composite
Sample Location
Check one: 0 Before Disinfection 0 Before Disin -• 'on 0 Before disinfection
❑After Disinfe ': 0 After Disinfection 0 After disinfection
❑ After D: orination 0 After Dechlorination ❑ After dechlorination
Point in Treatment Process
Describe the point in the treatment process
at which the sample was collected for each
test.
Toxicity Type
Indicate for- test whether the test was 0 Acute 0 Acute ❑Acute
perform-• o asses acute or chronic toxicity, ❑ Chronic ❑ Chronic El Chronic
Or I• .(Check one response.)
0 Both ❑ Both ❑ Both
EPA Form 3510-2A(Revised 3-19) Page 25

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
1,;RLE E.EFFLUENT MONITORING FOR WHOLE EFFLUENT TOXICITY
The ta• - •rovides response space for one whole effluent toxicity sample.Copy the table to report additional test results.
Test Number Test Number Test Number
Test Type
Indicate the type of test pe • med.(Check one ❑ Static ❑ Static ❑ Static
response.)
❑ Static-renewal ❑ Static-renewal ❑ Stat'• enewal
❑ Flow-through ❑ Flow-through ■ ow-through
Source of Dilution Water
Indicate the source of dilution water.(Check ■ .-boratory water ❑ Laboratory water 0 Laboratory water
one response.)
❑ Rece .•water ❑ Receiving water ❑ Receiving water
If laboratory water,specify type.
If receiving water,specify source.
Type of Dilution Water
Indicate the type of dilution water. If salt ❑ Fresh water ❑ Fre • ater Fresh water
water,specify"natural"or type of artificial Salt water(specify)
sea salts or brine used. ❑ Salt water(specify) ■ alt water(specify)
Percentage Effluent Used
Specify the percentage effluent used for all
concentrations in the test series.
Parameters Tested
Check the parameters tested. ❑ pH ❑ Ammonia ❑ pH ❑ Ammonia •H ❑ Ammonia
❑ Salinity ❑ Dissolved oxygen ❑ Salinity ❑ Dissolved oxygen ❑ Sa '� ❑ Dissolved oxygen
❑ Temperature ❑ Temperature ❑ Tempera • -
Acute Test Results
Percent survival in :0%effluent % % %
LC50
95%c••'fence interval
• rol percent survival
EPA Form 3510-2A(Revised 3-19) Page 26

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
TA;7.1 E E.EFFLUENT MONITORING FOR WHOLE EFFLUENT TOXICITY
The table • • ides response space for one whole effluent toxicity sample. Copy the table to report additional test results.
Test Number Test Number Test N • •er
Acute Test Results Continued
Other(describe)
Chronic Test Results
NOEC
IC25
Control percent survival
Other(describe)
Quality ControllQuality Assurance
Is reference toxicant data available? es 0 No ❑ Yes 0 Yes 0 No
Was reference toxicant test within
acceptable bounds? ❑ Yes ❑ No ❑ Yes ❑ No ElYes ❑ No
What date was reference toxica run
(MM/DD/YYYY)?
Other(describe)
EPA Form 3510-2A(Revised 3-19) Page 27

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-0004
TABLE F.iNOUSTRIAL DISCHARGE INFORMATION
Response space' .rovided for three Sills.Copy the table to report information for additional Sills.
SIU_ SIU SI
Name of SIU
Mailing address(street or P.O.box)
City,state,and ZIP code
Description of all industrial processes that affect
or contribute to the discharge.
List the principal products and raw materials that
affect or contribute to the SIU's discharge.
Indicate the average daily volume of wastewater
discharged by the SIU. gpd gpd gpd
How much of the average daily volume is
attributable to process flow? gpd g i• gpd
How much of the average daily volume i
attributable to non-process flow? gpd gpd gpd
Is the SIU subject to local li i' ?
❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
Is the SIU sub', o categorical standards?
❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
EPA Form 3510-2A(Revised 3-19) Page 29

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110016753235 NC0087084 Riverstone Industrial Park WWTP OMB No.2040-000
TABLE F.INDUSTRIAL DISCHARGE INFORMATION
Response space I •rovided for three Sills.Copy the table to report information for additional Sills.
SIU_ SIU SI _
Under what categories and sub : -gories is the
SIU subject?
Has the POTW experienced problems(e.g.,
upsets,pass-through interferences)in the past 4.5 ❑ Yes ❑ No ❑ Y=. ❑ No ❑ Yes ❑ No
years that are attributable to the SIU?
If yes,describe.
EPA Form 3510-2A(Revised 3-19) Page 30

i
EPA Identification Nurnter NPDES Permit Nur#e Faaliry Name
110016753235 NC0087OS4 (Rivecstone Industrial Park WWTP
CrUSGS U S DEPARTMENT OF THE INTERIOR
W IIESNEEQUADRANGLE`"
_._... .. US Topo 2.,:„UTE SERIES
„� .-E t, t. =a •
N, z
ti
/
N.� , ,, ,,r
/ ,itI Ix
v.• ../667115'-Ay • ;••••.:1 r.'"'••F‘76 6,,, .....,,,,,,,c.
/ - 'fib
t '..
RIVERSTONE INDUSTRIAL: - /
x
PARK WASTEWATER '- --i ,.'
/ TREATMENT PLANT a IA "� 8'i1
/!/ NDPES No.0087084 �}
O� UTFALL 001,
e '
1.
7 /
p
v
1
.
r
s ; / v=
S
��' } ��•
1� ,"' a �s�v,
'
t 'fiT /
irl \, I Ey\. n. ^// e
•
VC
Fe
asI II
�� r.._ •\ �.,..
[II
BY
a \ i
a
tl i. at. �.\ i LON'PENS NATION,
\
. \` • \ -
o
u,� }t }} 21 61 25 14 i} it 29 10 'lt°Y"F =v
sr ma
P.m.*.YnN.01 nb000.Wwy KAIf I:)10011 /. --
`" IV
il �., ,o_ Milli
_ . I ono 1M
.. " e.<,..,F ^e.u.w..sam.,........ , .,• DOE 17-r—. CHEWS,SC,NC =if

EPA Iderdi6caaon Nurnttr NPDES Permit N rr Fact "is c
110016753235 NC0087084 Riverstone Industrial Park WWTP
PLAN
600 0 300 600 1200
mum
mi.
iiiimm
NM NM
SCALE DIVISION VALUE = 600 FEET
N
..r+i.—
..-Ct
0
cf' -1 ‘411111111k
CO m
Ct
1s*.r
i,
�, Q. o
,, �Q`. RIVERSTONE INDUSTRIAL PARK
U ._..� WASTEWATER TREATMENT PLANT
NDPES No.0087084
It
z
a
(......4
Ri
w
d
O
1
a
d
z
z ,,/�
F <.
_(. ,"/
o
OUTFACE 001,,,,,,„ Th
.,
d
Z
� ) .
, Q
K
W
w
G
DATE RIVERSTONE INDUSTRIAL PARK WWTP SHEET
g INF FEBRUARY 2024 NPDES PERMIT RENEWAL
55 Broad Street PROJECT# TOWN OF FOREST CITY LOCATION MAP
_ Ashewile.Nc2eeo� 23.00333
s 828.252.0575 1
MC ' NCFirtnL,tenSe#c-0459 PROJECT MANAGER
mcgdlessociates.com T.SVVARTOUT RUTHERFORD COUNTY,NORTH CAROLINA

EPA Idenlificatian Nh,mbe NPCES PeRn,t N ri er Faality N.s e
110016753235 NC0087084 I Rive stone Industrial Park WWTP
PLAN
T.W. 804.0 TOP WALL 800.0
I
NOTTO SCALE % 801.5 % 7980LEV. MA�9 WSL ELEV.
MIN. WSL ELEV.783.5
41
BoT. ELEV. 782
50,000 GPD % ELEV.
50,000 GPD FLOW EQUALIZATION BASIN 50,000
%%/ GPD
BAR SCREEN
MAX.78W0SL ELEV. TOP WALL 800
MIN. 792.9±WSL ELEV. j 50,000 GPD ��
SBR TANK tt'
w
0
0
D
J
c
w
r
3 45
❑a 3
w
tt
z
a
x
a
z
a
o TOP WALL 800.0
O % MAX. 8SL9.6ELEV.
a BOT. ELEV. 782 FLOW CONTROL
34 j VALVE
POST EQUALIZATION :' Sit
Y "K'
5 50,000 GPD
w MAX. WSL TOP WALL
o ELEV. 781.0
3 %779.0 7 % 74
TOP WALL 796 % = % % % %
i SLUDGE PUMPED AND HAULED
aTO TOWN OF FOREST CITY WWTP % BO77ELEV. ELEV. DISCHARGE
«—z, � /4D�. SBROAD 0,000 GRIVVER
PD TO
BOT. ��.��� j CHLORINE CONTACT BASIN DECHLORINATION
o TABLET FEEDER
a SLUDGE HOLDING BASIN
w
N
D DATE PROJECT# RIVERSTONE INDUSTRIAL PARK WWTP SHEET
U IV
FEBRUARY 2024 23.00333 NPDES PERMIT RENEWAL
sseroaasvea OFFICE MANAGER DESIGNER RIVERSTONE INDUSTRIAL PARK
meg 1l Aehev@e NC 2e801 M.CATHEY N.TREADWAY TOWN OF FOREST CITY
828.252.0575 WWTP FLOW DIAGRAM
NC Firm L0000eE C.04a9 PROJECT MANAGER REVIEWER
U mcgillassociates.com T.SWARTOUT T.SWARTOUT RUTHERFORD COUNTY, NORTH CAROLINA
3

jSample Location: CADMIUM CHROMIUM 1
RS WWTP Effluent Used in Used in Used in
Sample Date < mg/L Calculation < mg/L Calculation < mg/L Calculation
1/7/2020
2/4/2020
3/2/2020 < 0.001 0.0005 0.007 0.007 < 0.001 0.0005
4/7/2020
5/5/2020
6/1/2020 < 0.001 0.0005 0.003 0.003 < 0.001 0.0005
7/7/2020
8/4/2020
9/20/2020 < 0.001 0.0005 0.004 0.004 < 0.001 0.0005
10/14/2020
11/9/2020
'12/7/2020 < 0.001 0.0005 0.006 0,006 < 0.001 0.0005
1/13/2021
2/3/2021
3/1/2021 < 0.001 0.0005 < 0.001 0.0005 < 0.001 0.0005
4/6/2021
5/6/2021
6/22/2021 < 0.001 0.0005 0.005 0.005 < 0.001 0.0005
6/8/2021
7/13/2021
8/10/2021 < 0.001 0.0005 0.004 0.004 < 0.001 0.0005
9/15/2021 < 0.001 0.0005 0.007 0.007 < 0.001 0.0005
10/4/2021
10/5/2021 < 0.001 0.0005 0.013 0.013 0.013 0.013
11/9/2021 0.001 0.001 0.026 0.026 0.002 0.002
12/6/2021
12/7/2021 < 0.001 0.0005 0.01 0.01 0.001 0.001
1/3/2022
1/4/2022 < 0.001 0.0005 0.005 0.005 < 0.001 0.0005
2/8/2022
2/9/2022 0.001 0.001 0.004 0.004 < 0.001 0.0005 1
3/7/2022 ,
3/8/2022 < 0.001 0.0005 0.002 0.002 < 0.001 0.0005
4/5/2022 <_ 0.001 0.0005 0.002 0.002 < 0.001 0.0005
4/4/2022 1
5/2/2022
5/3/2022 0.001 0.001 0.003 0.003 ' 0.002 0.002
6/6/2022 1
6/7/2022 < 0.001 0.0005 0.002 0.002 < 0.001 0.0005
7/14/2022 <
7/15/2022 < 0.001 0.0005 0.002 0.002 < 0.001 0.0005
8/1/2022
8/2/2022
9/14/2022
9/15/2022 < 0.001 0.0005 0.002 0.002 < 0.001 0.0005
10/10/2022
10/11/2022
11/7/2022
11/8/2022
12/5/2022
12/6/2022 < 0.001 0.0005 0.004 0.004 < 0.001 0.0005
1/17/2023
1/18/2023
2/6/2023
2/7/2023`
vir
3/6/2023
3/7/2023 < _ 0.001 0.0005 0.002 0.002 < 0.001 0.0005
4/10/2023

• • • CYANIDE LEAD
Used in Used in Used in
< mg L Calculation < mg/L Calculation < mg/L Calculation
0.013 0.013 < 0.005 0.0025 < 0.001 0.0005
0.01 0.01 < 0.005 0.0025 < 0.001 0.0005
0.007 0.007 < 0.005 0.0025 0.001 0.001
0.006 0.006 < 0.005 0.0025 0.002 0.002
0.008 0.008 < 0.005 0.0025 0.006 0.006
0.008 0.008 < 0.005 0.0025 < 0.001 0.0005
0.011 0.011 0.021 0.021 0.006 0.006
0.026 0.026 0.055 0.055 0.004 0.004
< 0.005 0.0025
0.012 0.012 0.001 0.001
0.029 0.029 0.007 0.007 0.026 0.026
< 0.005 0.0025
0.034 0.034 0.028 0.028
0.005 0.005
0.009 0.009 0.006 0.006
0.064 0.064
0.008 0.008 0.004 0.004
< 0.005 0.0025
0.007 0.007 0.003 0.003
0.007 0.007 0.002 0.002
< 0.005 0.0025
< 0.005 0.0025
0.009 0.009 0.003 0.003
0.005 0.0025
0.008 0.008 0.002 0.002
< 0.005 0.0025
0.011 0.011 0.003 0.003
< 0.005 0.0025
0.011 0.011 0.003 0.003
< 0.005 0.0025
0.008 0.008 0.005 0.005
0.005 0.0025
0.009 0.009 0.004 0.004

i
` i ' : • ` I NICKEL
Used in Used in Used in
< ng/l, Calculation < mg/I, Calculation < mg/L Calculation
< 0.0002 0.0001 0.008 0.008 0.003 0.003 1
< 0.0002 0.0001 0.008 0.008 0.002 0.002
4 I
< 0.0002 0.0001 0.004 0.004 < 0.001 0.0005
< 0.0002 0.0001 0.004 0.004 0.003 0.003
< 0.0002 0.0001 0.012 0.012 0.003 0.003
< 0.0002 0.0001 0.004 0.004 0.002 0.002
< 0.0002 0.0001 0.009 0.009 0.003 0.003
< 0.0002 0.0001 0.009 0.009 < 0.001 0.0005
< 0.0002 0.0001 0.005 0.005 0.004 0.004
< 0.0002 0.0001 0.003 0.003 0.005 0.005
< 0.0002 0.0001 0.003 0.003 0.002 0.002
< 0.0002 0.0001 0.002 0.002 0.002 0.002
< 0.0002 0.0001 0.003 0.003 0.003 0.003
< 0.0002 0.0001.' 0.004 0.004 0.002 0.002
< 0.0002 0.0001 0.006 0.006 0.002 0.002
< 0.0003 0.00015 f 0.003 0.003 0.002 0.002
< 0.0002 0.0001 0.003 0.003 0.002 0.002
< 0.0002 0.0001 0.006 0.006 0.002 0.002
r
< 0.0002 0.0001 0.006 0.006 0.002 0.002
1
< 0.0002 0.0001 0.005 0.005 0.002 0.002
< 0.0002 0.0001'` 0.02 0.02 0.002 0.002

SILVER
Used in Used in Used in
< mg/I. Calculation < mg/L Calculation < mg//L Calculation
0.373 0.373
0.111 0.111
< 0.001 0.0005 < 0.001 0.0005 0.327 0.327
0.095 0.095
0.159 0.159
< 0.001 0.0005 < 0.001 0.0005 0.067 0.067
0.042 0.042
0.102 0.102
< 0.001 0.0005 < 0.001 0.0005 0.125 0.125
1.51 1.51
0.291 0.291
< 0.001 0.0005 < 0.001 0.0005 0.232 0.232
1.26 1.26
0.391 0.391
< 0.001 0.0005 < 0.001 0.0005 1.56 1.56
1.52 1.52
1.2 1.2
< 0.001 0.0005 < 0.001 0.0005 0.167 0.167
6.19 6.19
< 0.001 0.0005 < 0.001 0.0005 0.172 0.172
< 0.001 0.0005 < 0.001 0.0005 0.184 0.184
< 0.001 0.0005 < 0.001 0.0005 0.711 0.711
< 0.001 0.0005 < 0.001 0.0005 1.48 1.48
< 0.001 0.0005 < 0.001 0.0005 0.484 0.484
<' 0.001 0.0005 < 0.001 0.0005 0.267 0.267
o
< 0.001 0.0005 < 0.001 0.0005 0.394 0.394
< 0.001 0.0005 < 0.001 0.0005 0.126 0.126
< 0.001 0.0005 < 0.001 0.0005 0.14 0.14
< 0.001 0.0005 < 0.001 0.0005 0.142 0.142
< 0.001 0.0005 < 0.001 0.0005 0.052 0.052
< 0.001 0.0005 < 0.001 0.0005 0.098 0.098
0.088 0.088
< 0.001 0.0005 < 0.001 0.0005 0.098 0.098
0.089 0.089
0.169 0.169
< 0.001 0.0005 < 0.001 0.0005 0.243 0.243
0.427 0.427
0.186 0.186
< 0.001 0.0005
< 0.001 0.0005 0.421 0.421

i
OIL&GREASE T)tal Phosphor s
Used in Used in
< mg/L Calculation < mg/L Calculation
< 5 2.5 13.3 13.3
< 5 2.5 2.64 2.64
1
< 5 2.5 7.52 7.52
11
<' 5 2.5 4.883 4.883
< 5 2.5 0.93 0.93
5 2.5 7.25 7.25
< 5 2.5 3.84 3.84
< 5 2.5 2.9 2.9
r
< 5 2.5
13.4 13.4
< 5 2.5
< 5 2.5
4.31 4.31
< 5 2.5
< 5 2.5
< 5 2.5
1
3.14 3.14
< 5 2.5
< 5 2.5
< 5 2.5
2.88 2.88
< 5 2.5
2.05 2.05
< 5 2.5
2.05 2.05
7.03 7.03 4.3 4.3
< 5 2.5
7.41 7.41

Total Phenolics Total Hardness
Used in Used in
< mg/L Calculation < mg/L Calculation
440 440
330 330 '
240 240
430 430
480 480
360 360
460 460
370 370
260 260
300, 300
350 350
420 420
350 350
260 260
320 320
260 260
320 320
290 290
350 350
360 360
450 450
0.005 0.0025 420 420
160 160
24 24
270 270
480 480
330 330
380 380
340 340
380 380
310 310
34 34
310 310
200 200
310 310
300 300
300 300
300 300

4/1 1/2023
5/1/2023
6/8/2023 < 0.001 0.0005 0.001 0.001 < 0.001 0.0005
7/18/2024
8/8/2024
9/11/2023
9/12/2023 < 0.001 0.0005 0.003 0.003 < 0.001 0.0005
10/9/2023
10/10/2024
11/6/2023
11/7/2023
12/4/2023
12/5/2023 0.004 0.004 < 0.001 0.0005 0.003 0.003
1/16/2024
2/5/2024
2/6/2024
3/5/2024 < 0.001 0.0005 0.0321 0.0321 0.00229 0.00229
3/4/2024
Column Averages=> 0.00112 0.0007 25 0.006004 25 0.00131 16
Column Max=> 0.004 0.0321 0.013

0.014 0.014 0.081 0.081 0.006 0.006
().011 0.011
0.012 0.012 0.004 0.004
0.008 0.008
0.37 0.37 0.011 0.011
0.917 0.917 0.917 0.917
0.008 0.008
25 0.06256 25 0.012 25 0.04194
0.917 l).081 0.917

1
< 0.0002 0.0001 0.002 0.002 0.002 0.002
< 0.0002 0.0001 0.041 0.041 0.002 0.002
0.0002 0.0001 0.001 0.001 0.006 0.006
< 0.0002 0.0001 0.0101 0.0101 0.00523 0.00523
25 0.000102 25 0.007244 25 0.0025692
0.00015 0.041 0.006

0.135 0.135
r
< 0.001 0.0005 0.208 0.208
< 0.001 0.0005 0.181 0.181
1.44 1.44
0.195 0.195
< 0.001 0.0005
0.001 0.0005 0.12 0.12
0.888 0.888
0.371 0.371
< 0.001 0.0005
< 0.002 0.001 0.082 0.082
0.165 0.165
0.338 0.338
< 0.002 0.001 < 0.00I 0.0005 0.917 0.917
25 0.00054 25 0.0005 12 0.5241765
0.001 0.0005 1.44

6.3 6.3 0.28 0.28
5300 2650
3.95 3.95
5.1 2.55 2.75 2.75
14.4 14.4
8.38 8.38
251 108.9704 20 5.20915
2650 I 4.4

380 380
390 390
350 350
230 230
310 310
71 71
230 230
300 300
400 400
300 300
240 240
0.0025 12 31528571
0.0025 40(1