NC0084549_Fact Sheet_20210423

Fact Sheet
NPDES Permit No. NC0084549
Permit Writer/Email Contact: Derek Denard/[e-mail]
Date: 23Apr2021
Division/Branch: NC Division of Water Resources/Water Quality Permitting Section
Compliance & Expediated Permitting Branch
Permitting Action:
❑X Renewal
❑ Renewal with Expansion
❑ New Discharge
❑ Modification (Fact Sheet should be tailored to mod request)
See Permit Application Attachment A NC0084549 Renewal (Application)_20191125_8p
Complete applicable sections below. If not applicable, enter NA.
1. Basic Facility Information
Facility Information
Applicant/Facility Name:
Charlotte Water/ Franklin WTP
Applicant Address:
5200 Brookshire Blvd, Charlotte, NC 28216-3371
Facility Address:
5200 Brookshire Blvd, Charlotte, NC 28216-3371
Permitted Flow:
Not limited
Facility Type/Waste:
001 - Water Treatment Plant, Conventional;
002 - surface water runoff, drains, sump pumps, and cooling water
Facility Class:
Grade I Physical Chemical
Treatment Units:
See below
Pretreatment Program (Y/N)
No
County:
Mecklenburg
Region
Mooresville
Briefly describe the proposed permitting action and facility background: This facility is a conventional
technology water treatment plant [coagulation, flocculation, sedimentation, and filtration] with discharge
of wastewaters from media filter backwash and sedimentation basins with a design potable flowrate of 132
MGD, backwash flow of 0.680, and a maximum monthly average wastewater discharge of 4.682 MGD
(based on data submitted from Jun2017 to May2020).
Outfall 001 components includes the following:
Page 1 of 11

• a raw water intake pump station
• two (2) 250 MG reservoirs
• two raw water pump stations
• four (4) sedimentation modules [one (1) 24 MG, three (3) 36 MG]
• four (4) filter modules [one (1) 24 MG, three (3) 36 MG]
• eight (8) clearwells [one (1) 12 MG, four (4) 6 MG, three (3) 4 MG]
• two high service pump stations
• a 1.5 MG elevated storage tank
• two (2) 0.700 MG backwash water lagoons
• two (2) clarifiers [333 kG, 667 kG]
• a 6.8 MGD dechlorination contact chamber
• a 450,000 gallon residuals basin
• two (2) 90,000 gallon sludge thickeners
• a dewatering facility
• a continuous flow meter
• chemical usage consists of
o alum / aluminum sulfate
o fluoride
o carbon
o lime
o sodium bisulfite
o liquid linear phosphate
o chlorine gas
o powdered activated carbon (PAC)
o polymer
Outfall 002 consists of discharge of surface water runoff, a drain from filtered water reservoirs, raw water
sumps pumps discharge (station No. 1) and generator non -contact cooling water.
Eligibility for Coverage under the General Permit NCG590000 — The Franklin WTP — Outfall 001 is not
eligible for the general permit due to a recent toxicity failure on January 7, 2020. The facility has a record
of two (2) toxicity failures in the past 12 samples (3 years).
2. Receiving Waterbodv Information:
Receiving Waterbody Information
Outfalls/Receiving Stream(s):
001 & 002 / UT to Stewart Creek
Stream Segment:
11-137-1-2
Stream Classification:
C
Drainage Area (mi2):
--
Summer 7Q10 (cfs)
0
Winter 7Q10 (cfs):
0
30Q2 (cfs):
0
Average Flow (cfs):
0
Page 2of11

IWC (% effluent):
100
303(d) listed/parameter:
NO
Subject to TMDL/parameter:
Yes, Irwin, McAlpine, Little Sugar, and Sugar Creek Watersheds
Fecal Coliform TMDL
https://file s.nc.gov/ncdeq/Water%20Quality/Planning/TMDL/F1NAL
%20TMDLS/Catawba/MCDEPfecalTMDLfinal.pdf
Basin/Sub-basin/HUC:
Catawba / 03-08-34 / 030501030101
USGS Topo Quad:
Mt. Island Lake, NC
3. Effluent Data Summary
Effluent data for Outfall 001 is summarized below for the period of Dec2015 through May2020.
Table. Effluent Data Summary Outfall 001 (Compete table below or insert Excel Pivot Table.)
Limits
Amax Min Average Count PQL MA DM UoM
Row Labels
0001
Aluminum, Total (as Al) 950 190 516.7 18 ugll
Chlorine, Total Residual 47 10 14.7 235 10 17 ugll
Copper, Total (as Cu) 5 2 2.4 16 2,5 ugll
Flow, in conduit or thru treatment plant 9.62 1.034 3.6 1644 mgd
Fluoride, Total (as F) 200 90 109.4 18 100 ugll
Iron, Total (as Fe) 140 50 73.4 14 50 ugll
Manganese, Total (as Mn) 240 10 89.6 18 10 ugll
Nitrite plus Nitrate Total (as N) 0.37 0.07 0.20 16 mgll
Nitrogen, Kjeldahl, Total (as N) 0.3 0.25 0.25 16 0.25 mgll
Nitrogen, Total - Concentration 0.53 0.07 0.23 18 0.25 mgll
pH 7.3 6 235 6 - 9 su
Phosphorus, Total (as P) - Concentration 0.1 0.1 0.1 18 0.1 mgll
Solids, Total Suspended - Concentration 20.9 2.5 6.5 235 2.5 30 45 mgll
Temperature, Water Deg_ Centigrade 32 4 18.5 213 degrees C
Turbidity 13 1 3.5 235 ntu
Chlorine, Total Residual 250 10 24.3 54 17
Flow, in conduit or thru treatment plant 1431360 0.1224 160908.7 54 gpd
Iron, Total (as Fe) 2600 160 562.2 54 ugll
Oil & Grease 5 5 5.0 54 5 15 20 mgll
Oxygen Demand, Chem_ (High Level) (COD) 26 6 11.5 54 10 mgll
pH 7.3 6.4- 54 6 - 9 su
Solids, Total Suspended - Concentration 42.7 2.5 4.5 54 30 45 mgll
Temperature, Water Deg_ Centigrade 30 4 16.6 54 degrees C
Turbidity 60 0.7 5.8 54 ntu
PQL - Practical Quantitation Limit, MA - Monthly Average, DM - Daily Max, UoM - Units of Measurement
Page 3 of 11

Table. Verification of the correct units of measure is needed for the following data:
Outfall12._ Sampling Date ITPCSCode Parameter Unit of Measure 14 Measurem44 Modifier I --I
001 1/12/2016 00951 Fluoride, Total (as F) Micrograms per Liter 0.100 LESSTHAN
001 7/12/2016 00951 Fluoride, Total (as F) Micrograms per Liter 0.100 LESSTHAN
001 10/11/2016 00951 Fluoride, Total (as F) Micrograms per Liter 0.100 LESSTHAN
001 1/10/2017 00951 Fluoride, Total (as F) Micrograms per Liter 0.100 LESSTHAN
001 4/11/2017 00951 Fluoride, Total (as F) Micrograms per Liter 0.100 LESSTHAN
001 7/18/2017 00951 Fluoride, Total (as F) Micrograms per Liter 0.100 LESSTHAN
002 6/12/2018 50050 Flow, in conduit or thru treatment plant Million Gallons per Day 122,400
See Attachment K for the permittees response to correcting the data above.
4. Instream Data Summary
Instream monitoring may be required in certain situations, for example: 1) to verify model predictions
when model results for instream DO are within 1 mg/1 of instream standard at full permitted flow; 2) to
verify model predictions for outfall diffuser; 3) to provide data for future TMDL; 4) based on other
instream concerns. Instream monitoring may be conducted by the Permittee, and there are also
Monitoring Coalitions established in several basins that conduct instream sampling for the Permittee (in
which case instream monitoring is waived in the permit as long as coalition membership is maintained).
If applicable, summarize any instream data and what instream monitoring will be proposed for this
permit action: No instream monitoring is required or proposed.
Is this facility a member of a Monitoring Coalition with waived instream monitoring (Y/N): No.
Name of Monitoring Coalition: NA.
5. Compliance Summary
Summarize the compliance record with permit effluent limits (past 5 years):
Review of data from Mar2015 to Mar2020 [Attachment B NC0084549 MR Violations Mar2015Mar20207p]
found the following:
There were two (2) NOVs for TRC that exceeded 50 µg/L: 250 µg/1 on 01/12/16 and 60 µg/1 on
11/13/18.
Review of the Laserfiche files: Found that the most recent NOV was for an exceedance of the Feb2020
TSS monthly average limit of 30 mg/1 with a reported value of 42.7 mg/1:
https://edocs.deq.nc.gov/WaterResources/DocView.aspx?id=1171186&dbid=0&repo=WaterResources
Summarize the compliance record with aquatic toxicity test limits and any second species test results
(past 5 years): The facility has a record of two (2) toxicity failures in the past 12 samples (3 years). The
Franklin WTP — Outfall 001 is not eligible for the general permit due to a recent toxicity failure on
January 7, 2020. A permit re -opener Condition A. (5.) has been added due to a toxicity failure in the last
two years. [See Attachment C_WET Testing Summary HQ February 2020 46]
Page 4of11

Summarize the results from the most recent compliance inspection: A February 7, 2019 compliance
inspection indicated that there were multiple complaints regarding the black appearance of Steward Creek
(including the UT) below outfall 001. The effluent channel and receiving stream (UT to Steward Creek)
were evaluated during the inspection. They observed that the bottom substrate and banks of both the
effluent channel and UT appeared to be black and/or greyish in color. Further evaluation indicated that
manganese may be a contributing factor.
[See Attachment D NC0084549_Inspection _20190219_9p; and E NC0084549_Inspection _20190619_5p]
6. Water Quality -Based Effluent Limitations (WQBELs)
Dilution and Mixing Zones
In accordance with 15A NCAC 2B.0206, the following streamflows are used for dilution considerations
for development of WQBELs: 1Q10 streamflow (acute Aquatic Life); 7Q10 streamflow (chronic Aquatic
Life; non -carcinogen HH); 30Q2 streamflow (aesthetics); annual average flow (carcinogen, HH).
If applicable, describe any other dilution factors considered (e.g., based on CORMIX model results): NA.
If applicable, describe any mixing zones established in accordance with 15A NCAC 2B. 0204(b): NA.
Oxygen -Consuming Waste Limitations
Limitations for oxygen -consuming waste (e.g., BOD) are generally based on water quality modeling to
ensure protection of the instream dissolved oxygen (DO) water quality standard. Secondary TBEL limits
(e.g., BOD= 30 mg/1 for Municipals) may be appropriate if deemed more stringent based on dilution and
model results.
If permit limits are more stringent than TBELs, describe how limits were developed: NA.
Ammonia and Total Residual Chlorine Limitations
Limitations for ammonia are based on protection of aquatic life utilizing an ammonia chronic criterion of
1.0 mg/1 (summer) and 1.8 mg/1 (winter). Acute ammonia limits are derived from chronic criteria,
utilizing a multiplication factor of 3 for Municipals and a multiplication factor of 5 for Non -Municipals.
Limitations for Total Residual Chlorine (TRC) are based on the NC water quality standard for protection
of aquatic life (17 ug/1) and capped at 28 ug/1 (acute impacts). Due to analytical issues, all TRC values
reported below 50 ug/1 are considered compliant with their permit limit.
Describe any proposed changes to ammonia and/or TRC limits for this permit renewal: No Changes to
TRC limits are proposed.
Reasonable Potential Analysis (RPA) for Toxicants
If applicable, conduct RPA analysis and complete information below.
The need for toxicant limits is based upon a demonstration of reasonable potential to exceed water quality
standards, a statistical evaluation that is conducted during every permit renewal utilizing the most recent
effluent data for each outfall. The RPA is conducted in accordance with 40 CFR 122.44 (d) (i). The NC
RPA procedure utilizes the following: 1) 95% Confidence Level/95% Probability; 2) assumption of zero
background; 3) use of Y2 detection limit for "less than" values; and 4) streamflows used for dilution
consideration based on 15A NCAC 2B.0206. Effective April 6, 2016, NC began implementation of
dissolved metals criteria in the RPA process in accordance with guidance titled NPDES Implementation of
Instream Dissolved Metals Standards, dated June 10, 2016.
Page 5 of 11

A reasonable potential analysis was conducted on effluent toxicant data collected between Jun2015 and
Nov2019. Pollutants of concern included toxicants with positive detections and associated water quality
standards/criteria. Based on this analysis, the following permitting actions are proposed for this permit:
• Monitoring Only. Total The maximum predicted concentration for Fluoride was <50% of the
allowable concentration. However, Fluoride is in use at this facility. Therefore, Fluoride remains
a pollutant of concern.
• No Limit or Monitoring: The following parameters will not receive a limit or monitoring, since
they did not demonstrate reasonable potential to exceed applicable water quality
standards/criteria and the maximum predicted concentration was <50% of the allowable
concentration: Chlorides and Copper. (Please note that Chloride and Copper were not required
by the previous permit. The permittee voluntarily sampled for these parameters.)
If applicable, attach a spreadsheet of the RPA results [See Attachment F] as well as a copy of the
Dissolved Metals Implementation Fact Sheet for freshwater/saltwater [See Attachment G] to this Fact
Sheet. Include a printout of the RPA Dissolved to Total Metal Calculator sheet if this is a Municipality
with a Pretreatment Program.
For the Calculation of the maximum monthly average flow from data submitted from Jun2017 to
May2020 see Attachment H.
Toxicity Testing Limitations
Permit limits and monitoring requirements for Whole Effluent Toxicity (WET) have been established in
accordance with Division guidance (per WET Memo, 8/2/1999). Per WET guidance, all NPDES permits
issued to Major facilities or any facility discharging "complex" wastewater (contains anything other than
domestic waste) will contain appropriate WET limits and monitoring requirements, with several
exceptions. The State has received prior EPA approval to use an Alternative WET Test Procedure in
NPDES permits, using single concentration screening tests, with multiple dilution follow-up upon a test
failure.
Describe proposed toxicity test requirement: No changes to current monitoring. Whole Effluent Toxicity
(WET) testing - testing of Ceriodaphnia dubia shall be performed as 7-day pass/fail, monitoring only, test
at 90% effluent concentration, during January, April, July and October [See A. (4.)].
Mercury Statewide TMDL Evaluation
There is a statewide TMDL for mercury approved by EPA in 2012. The TMDL target was to comply with
EPA's mercury fish tissue criteria (0.3 mg/kg) for human health protection. The TMDL established a
wasteload allocation for point sources of 37 kg/year (81 lb/year), and is applicable to municipals and
industrial facilities with known mercury discharges. Given the small contribution of mercury from point
sources (-2% of total load), the TMDL emphasizes mercury minimization plans (MMPs) for point source
control. Municipal facilities > 2 MGD and discharging quantifiable levels of mercury (>1 ng/1) will
receive an MMP requirement. Industrials are evaluated on a case -by -case basis, depending if mercury is a
pollutant of concern. Effluent limits may also be added if annual average effluent concentrations exceed
the WQBEL value (based on the NC WQS of 12 ng/1) and/or if any individual value exceeds a TBEL
value of 47 ng/1
Describe proposed permit actions based on mercury evaluation: NA.
Other TMDL/Nutrient Management Strategy Considerations
If applicable, describe any other TMDLs/Nutrient Management Strategies and their implementation
within this permit: NA.
Page 6 of 11

Other WQBEL Considerations
If applicable, describe any other parameters of concern evaluated for WQBELs: NA.
If applicable, describe any special actions (HQW or ORW) this receiving stream and classification shall
comply with in order to protect the designated waterbody: NA.
If applicable, describe any compliance schedules proposed for this permit renewal in accordance with
15A NCAC 2H.0107(c) (2) (B), 40CFR 122.47, and EPA May 2007 Memo: NA.
If applicable, describe any water quality standards variances proposed in accordance with NCGS 143-
215.3(e) and 15A NCAC 2B. 0226 for this permit renewal: NA.
7. Technology -Based Effluent Limitations (TBELs)
Municipals (if not applicable, delete and skip to Industrials)
Are concentration limits in the permit at least as stringent as secondary treatment requirements (30 mg/l
BOD5/TSS for Monthly Average, and 45 mg/l for BOD5/TSS for Weekly Average). YES for TSS.
However, this facility is a municipal WTP.
If NO, provide a justification for alternative limitations (e.g., waste stabilization pond). NA.
Are 85% removal requirements for BOD5/TSS included in the permit? NA.
If NO, provide a justification (e.g., waste stabilization pond). NA.
8. Antidegradation Review (New/Expanding Discharge):
The objective of an antidegradation review is to ensure that a new or increased pollutant loading will not
degrade water quality. Permitting actions for new or expanding discharges require an antidegradation
review in accordance with 15A NCAC 2B.0201. Each applicant for a new/expanding NPDES permit must
document an effort to consider non -discharge alternatives per 15A NCAC 2H.0105( c)(2). In all cases,
existing instream water uses and the level of water quality necessary to protect the existing use is
maintained and protected.
If applicable, describe the results of the antidegradation review, including the Engineering Alternatives
Analysis (EAA) and any water quality modeling results: NA.
9. Antibacksliding Review:
Sections 402(o)(2) and 303(d)(4) of the CWA and federal regulations at 40 CFR 122.44(1) prohibit
backsliding of effluent limitations in NPDES permits. These provisions require effluent limitations in a
reissued permit to be as stringent as those in the previous permit, with some exceptions where limitations
may be relaxed (e.g., based on new information, increases in production may warrant less stringent TBEL
limits, or WQBELs may be less stringent based on updated RPA or dilution).
Are any effluent limitations less stringent than previous permit (YES/NO): No.
If YES, confirm that antibacksliding provisions are not violated: NA.
Page 7 of 11

10. Monitoring Requirements
Monitoring frequencies for NPDES permitting are established in accordance with the following
regulations and guidance: 1) State Regulation for Surface Water Monitoring, 15A NCAC 2B.0500; 2)
NPDES Guidance, Monitoring Frequency for Toxic Substances (7/15/2010 Memo); 3) NPDES Guidance,
Reduced Monitoring Frequencies for Facilities with Superior Compliance (10/22/2012 Memo); 4) Best
Professional Judgement (BPJ). Per US EPA (Interim Guidance, 1996), monitoring requirements are not
considered effluent limitations under Section 402(o) of the Clean Water Act, and therefore anti -
backsliding prohibitions would not be triggered by reductions in monitoring frequencies.
For instream monitoring, refer to Section 4.
11. Electronic Reporting Requirements
The US EPA NPDES Electronic Reporting Rule was finalized on December 21, 2015. Effective
December 21, 2016, NPDES regulated facilities are required to submit Discharge Monitoring Reports
(DMRs) electronically. Effective December 21, 2020, NPDES regulated facilities will be required to
submit additional NPDES reports electronically. This permit contains the requirements for electronic
reporting, consistent with Federal requirements.
12. Summary of Proposed Permitting Actions:
A. Table. Current Permit Conditions and Proposed Changes — Outfall 001
Parameter
Current Permit
Proposed Change
Basis for Condition/Change
Flow
No limit, Monitor &
Report
No change
15A NCAC 2B .0505
TSS
MA 30 mg/1
DM 45 mg/1
No change
TBEL. Secondary treatment
standards/40 CFR 133 / 15A NCAC
2B .0406
pH (su)
6 — 9 SU
No change
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (14)
TRC
DM 17 µg/L
No change
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (3)
Turbidity (NTU)
Monitor & Report
Insert Footnote: See
Section 14 below.
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (21)
Total Aluminum
Monitor & Report
No change
In accordance with WTP permitting
strategy, Aluminum is a parameter
of Concern when Alum is in use.
See EPA 2018 Aquatic Life
Ambient Water. Quality Criteria for
Aluminum in Freshwaters (EPA-
822-R-18-001).
Page 8 of 11

North Carolina In -Stream Target
Values for Surface Waters. The Risk
Assessment Information System
01/09.
Total Manganese
Monitor & Report
No change
In accordance with WTP permitting
strategy, Manganese is a parameter
of Concern. Manganese should be
monitored if the treatment is
designed to remove manganese from
the water. There is no water quality
standard for manganese. EPA
approved removal of NC human
health standards as part of 2007-
2016 Triennial review due to high
natural occurrence in NC surface
waters. The EPA NRWQC remains
here as guidance for instances when
toxicity information is needed.
Total Fluoride
Monitor & Report
No change
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (9)
Total Phosphorous
Monitor & Report
No change
WQBEL. Required to comply with
NC chl-a WQS, 15A NCAC
2B.0200.
TN
Monitor & Report
No change
WQBEL. Required to comply with
NC chl-a WQS, 15A NCAC
2B.0200.
Chronic WET
Testing
Monitor & Report
No change
WQBEL. No toxics in toxic
amounts. 15A NCAC 2B.0200 and
15A NCAC 2B.0500
Electronic
Reporting
Required
Update Electronic
Reporting Special
Condition
In accordance with EPA Electronic
Reporting Rule 2015.
MGD — Million gallons per day, MA - Monthly Average, WA — Weekly Average, DM — Daily Max
B. Table. Current Permit Conditions and Proposed Changes — Outfall 002
Parameter
Current Permit
Proposed Change
Basis for Condition/Change
Flow
No limit, Monitor &
Report
No change
15A NCAC 2B .0505
Temperature
Monitor & Report
No change
WQBEL. State WQ narrative
standard, 15A NCAC 02B .0208 (b),
.0211 (14)
Page 9 of 11

TSS
MA 30 mg/1
DM 45 mg/1
No change
TBEL. Secondary treatment
standards/40 CFR 133 / 15A NCAC
2B .0406
pH
6 — 9 SU
No change
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (14)
TRC
DM 17 µg/L
No change
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (3)
Oil and Grease
(O&G)
MA 30 mg/1
DM 60 mg/1
No change
BPJ
WQBEL. State WQ narrative
standard,1 SA NCAC 02B .0211
(12); EPA QCW 1976
TBEL.
Turbidity (NTU)
Monitor & Report
Insert Footnote: See
Section 14 below.
WQBEL. State WQ standard, 15A
NCAC 2B .0211 (21)
Chemical Oxygen
Demand (COD)
Monitor & Report
No change
Monitoring for water treatment
and/or chemical additives, i.e.
corrosion inhibitors, oxygen
scavengers, biocides or cleaning
solvents are added to the system.
Total Iron (µg/L)
Monitor & Report
Monitoring reduced
from Monthly to
Quarterly
Iron should be monitored if there is a
history of values > 1 mg/L.
Currently there is no water quality
standard for iron. EPA approved
removal of NC aquatic life standard
as part of 2007-2016 Triennial
review due to high natural
occurrence in NC surface waters.
MGD — Million gallons per day, MA - Monthly Average, WA — Weekly Average, DM — Daily Max
The draft permit includes the following significant changes from the existing permit:
1. The permit map was updated.
2. The facility classification Grade I Physical Chemical was added to the effluent page.
3. Concurrent sampling with WET test samples is no longer required.
4. A permit re -opener Condition A. (5.) has been added due to a toxicity failure in the last
two years.
5. For Outfall 002 the following changes to monitoring have been made:
a. The monitoring frequency for Total Iron was reduced form monthly to quarterly.
b. Added the following conditions:
■ Samples shall be taken at the outfall but prior to mixing with the receiving waters.
Page 10 of 11

• There shall be no discharge of floating solids or foam in other than trace amounts.
c. Special Condition A. (4.) for the use of biocides in cooling waters, sumps and drains has
been added. This condition is also found in General Permit NCG500000 for non -contact
cooling water, cooling tower and boiler blowdown, condensate, exempt stormwater,
cooling waters associated with hydroelectric operations, and similar wastewaters.
13. Public Notice Schedule:
Permit to Public Notice: July 24, 2020 [See Attachment L]
Per 15A NCAC 2H .0109 & .0111, The Division will receive comments for a period of 30 days following
the publication date of the public notice. Any request for a public hearing shall be submitted to the
Director within the 30 days comment period indicating the interest of the party filing such request and the
reasons why a hearing is warranted.
14. Fact Sheet Addendum (if applicable):
Were there any changes made since the Draft Permit was public noticed (Yes/No): Yes
If Yes, list changes and their basis below:
1. Made the following changes to the facility description on the supplement to cover page:
a. The capacity information for the (2) water pump stations and two (2) high service
pump stations was removed to allow for maintenance and replacement without a
minor permit modification.
b. The dechlorination contact chamber was corrected to the rating of 6.8 MGD
instead of 6.7 MGD.
2. Permit Condition A. (6.) for electronic reporting was updated.
15. Fact Sheet Attachments (list in order of reference):
A. NC0084549 Renewal (Application)_20191125_8p
B. NC0084549 MR Violations_Mar2015_Mar2020_7p
C. WET Testing Summary HQ February 2020 46
D. NC0084549_Inspection _20190219_9p
E. NC0084549_Inspection _20190619_5p
F. NC0084549 RPA 20206p
G. Fact Sheet Memo FW_4p
H. NC0084549 DMR Flow Data _Dec2015_May2020_2p
I. Peer Review _20200714_lp
J. Staff Report Request 20200714_lp
K. Permittee Comments Electronic Transmittal 202008178p
L. NC Press Association_ ncnotices 20200724_2p
M. Electronic Transmittal Receipt_Final _20210423_3p
N. QAQC202104233p
Page 11 of 11

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Diny tor
Charlotte Water
Attn: John C. Hubert, Chief of Operations
5200 Brookshire Blvd
Charlotte, NC 28216-3371
Subject: Permit Renewal
Application No. NC0084549
Franklin WTP
Mecklenburg County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
December 03, 2019
The Water Quality Permitting Section acknowledges the November 25, 2019 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://deq.nc.gov/permits-regulations/permit-guidance/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.
ec: WQPS Laserfiche File w/application
�QE
Sincer
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
North Caro' na Department of Erv:ronmental Quality I Dotson of Water Resources
Mooresv' a Region' Offce 1910 East Center Avenue, Surte 301 I Mooresv le, North Caro, na 28115
704•3-1699

CHARLOTTE
WTER
November 18, 2019
Division of Water Resources
WQ Permitting Section — NPDES
1617 Mail Service Center
Raleigh NC 27699-1617
Subject: Renewal NPDES Permit # NC0084549
Franklin Water Treatment Plant
Mecklenburg County
WQ Permitting Section,
RECEIVED
NOV 25 2019
NCDEOIDWRINPDES
Charlotte Water would like to request renewal of NPDES permit NC0084549 at the Franklin
Water Treatment Plant. The current permit is set to expire May 31, 2020. Enclosed is the
completed NPDES Permit Applications Short Form C.
Also attached to the Short Form C are:
• Solids Management Plan
• Plant Process Flow Schematic
• Outfall/Discharge Location Map
If you have any questions, please contact me at 704-399-2426 extension 222 or Gabe Sasser at
704-507-5267.
Sincerely
John C. uber
Chief or Operations
City of Charlotte
Charlotte Water
Charlotte Water 5200 Brookshire Blvd, Charlotte, NC 28216 charlottewater.org
Operated by the City of Charlotte

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants RECEIVED
Mail the complete application to: NOV 2 5 2019
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit JCDEQ/DWR/NPDES
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number NC0084549
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type.
1. Contact Information:
Owner Name
Facility Name
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
e-mail Address
Charlotte Water
Franklin WTP
5200 Brookshire Blvd.
Charlotte
North Carolina / 28216
(704-399-2142)
(704-393-9163)
[e-mail]
2. Location of facility producing discharge:
Check here if same as above Ei
Street Address or State Road
City
State / Zip Code
County
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name City of Charlotte
Mailing Address 5200 Brookshire Blvd
City Charlotte
State / Zip Code North Carolina
Telephone Number 704-399-2142
Fax Number 704-393-9163
4. Ownership Status:
Federal ❑ State ❑
Private El Public El
Page 1 of 4 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
5. Type of treatment plant:
® Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
❑ Ion Exchange (Sodium Cycle Cationic ion exchange)
❑ Green Sand Filter (No sodium recharge)
❑ Membrane Technology (RO, nanofiltration)
Check here if the treatment process also uses a water softener
6. Description of source water(s) (i.e. groundwater, surface water)
Surface Water
7. Describe the treatment process(es) for the raw water:
Raw water storage in on -site reservoirs; The initial raw water treatment includes the addition of
powdered activated carbon followed by aluminum sulfate for coagulation, applied at the head
works of the plant. The water then passes through flocculation before entering the
sedimentation basins. Chlorine is added just before filtration. Following filtration, lime,
fluoride and chlorine are added to the water prior to flowing to clearwells.
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
Spent filter backwash water and basin blow -downs are sent to ta surge basin; controlled flow to 2
clarifiers, basin effluent flow is treated with a polymer to floc solids for settling in the clarifiers;
clarified water is de -chlorinated prior to discharge to ta tributary to Stewart Creek; Solids are
transferred to a residuals basin, pumped to a pair of thickeners, dewatered, using belt presses
and removed using a private solids -handling company.
9. Number of separate discharge points: 2
Outfall Identification number(s) 001, 002
10. Frequency of discharge:
Continuous ® Intermittent ❑
If intermittent:
Days per week discharge occurs: Duration:
11. Plant design potable flowrate 132 MGD
Backwash or reject flow .680 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Tributary to Stewart Creek
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Alum / aluminum sulfate
Iron sulfate / ferrous sulfate
Yes
No
Page 2 of 4 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Fluoride Yes
Ammonia nitrogen / Chloramines No
Zinc -orthophosphate or sweetwater CP1236 No
List any other additives below:
Chlorine, Powdered Activated Carbon, Lime,
Liquid Linear Phosphate, Sodium Bisulfite
14. Is this facility located on Indian country? (check one)
Yes ❑ No
15. Additional Information:
Provide a schematic of flow through the facility, include flow volumes at all points in
the water treatment process. The plan should show the point[s] of addition for
chemicals and all discharges routed to an outfall [including stormwater].
(Included in the back of the application packet)
Solids Handling Plan (Included in the back of the application packet)
16. NEW Applicants
Information needed in addition to items 1-15:
New applicants are highly encouraged to contact a permit coordinator with the
NCDENR Customer Service Center.
Was the Customer Service Center contacted? ❑ Yes ❑ No
Analyses of source water collected
Engineering Alternative Analysis
Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
John C. Huber
S' 3 ature o Applicant" Date
North Carolina General Statute 143-215.6 (b)(2) provides that: Any person who knowingly makes any false statement representation, or certification in any application,
record, report, plan, or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that
Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21
or regulations of the Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable by a fine not to exceed $25,000, or by
Page 3 of 4
Version 5/2012

Franklin Water Plant
Sludge Management Plan
The following is a narrative description of the sludge management plan of the Franklin Water Treatment
Plant Alum Residuals Facility. It describes the flow of the generated water treatment plant alum
residuals and the water used to convey the residuals to the Alum Residuals treatment process.
The Franklin Water Treatment Plant Alum Residuals Facility processes the accumulated water treatment
chemical precipitate (aluminum sulfate) from the Franklin and Vest Water Treatment Plants for removal
and clarifies the water associated with this precipitate for discharge. Franklin Water Treatment Plant
basin blowdowns and filter wash residuals are delivered directly by gravity flow to the Alum Residuals
Facility's surge control basins; Vest Water Treatment Plant basin blowdowns and filter wash residuals
are shipped via tanker truck from Vest to the Alum Residuals Facilities residuals basin.
The Franklin Water Treatment Plant water and solids mixture is temporarily held in two surge control
basins to prevent large surge flows to the clarifiers. Surge control basins effluent water flow can be
treated with a polymer solution as it flows to a pair of clarifiers. The solids that are present floc together
and readily settle in the clarifiers. The clarified water flows over the clarifiers' weirs into a splitter box
for dechlorination and is discharged to a tributary of Stewart Creek.
The solids that have settled in the clarifiers accumulate until they are returned to the residuals basin.
The unthickened residuals are temporarily held in the residuals basin until they are transferred to a pair
of thickeners. During the transfer, the residuals can be treated with polymer to aid in the settling of the
solids in the thickeners. While the transfer is occurring, any clear water that flows over the thickeners'
weirs is returned to the surge control basins for removal through the clarifiers.
The residuals solids settle in the thickeners. The thickened residuals are then pumped onto two 3-meter
filter belt presses. The solids can be treated with a polymer prior to being dewatered on the presses.
The press filtrate flows to a sump pit where the filtrate is pumped to the surge control basins for
removal through the clarifiers. The solids are scraped off the presses and the press cake falls onto a
conveyor. The conveyor delivers the press cake to a waiting trailer. The trailer hauls off the press cake
solids to Irwin Wastewater Plant for storage. At this site, the alum sludge is mixed with bio-solids from
the City of Charlotte's Wastewater plants. The solids are then land applied under the City's Class "B"
land application permit# WQ0000057 Version 2.0.
There is also a secondary discharge under the same permit that is monitored monthly. This stream is
not part of the alum residuals process.

UT to Stewart Creek
[flows southeast]
Charlotte Water
Franklin Water Treatment Plant (WTP)
5200 Brookshire Blvd, Charlottee NC 28216
Receivin¢ Stream: UT to Stewart Creek Stream Class: C
Stream Segment: 11-137-1-2 Sub -Basin: 03-08-34
Drainage Basin: Catawba RUC: 03050103
Latitude: 35° 16' 48" Longitude: 80° 53' 09"
State GridTUSGS Ouad: F15SW / Mountain Island Lake, NC
Outfall 001 & 002
[flows south]
Facility
Location
Scale 1:24,000
NPDES Peiinit NC0084549
North Mecklenburg County

Catawba
River
Catawba
River
Pump
Station
Franklin Plant
Reservoir 3
250 My
Franklin Plant
Reservoir 1/2
265 MG
FF dure
Chbnne
Obvide
Franklin Water Treatment Plant
Process Flow Diagram as of 15 January 2018
Raw Water
Pump Station 1
198 MGD
Raw Water
Pump Station 2
90 MGD
Chbnne
J
36 MGD
Sedimentation
Module
24 MGD
Sedimentation
Module
72 MGD
Sedimentation
Module
36 MGD
Filter Module
24 MGD
Filter Module
72 MGD
Filter Module
Sed Basin
Residuals
Ve9 Residual
Land Applkaion
Chime
Fbunde
Fbsted
Water
FYishd
Water
Backwash
Water
Dewatering
Facility
Backwash Water
Lagoon 1
700 kG
Backwash Water
Lagoon 2
700 kG
Polymer
Thickened
Residuals
hickene
Thickene
2
90 kG
Clearwel
Clearwel
Poyme
Clantier
Residuals
B sin
450 kG
Unthickened
Residuals
High Service
Pump Station 1
128 MGD
Hoskins
Tank
1.5 MG /
High Service
Pump Station 2
114 MGD
Clarifier
Effluent
Clarifier
Sludge
Sodom
esurcne
To
Potable
Water
System
Dechlonnation To
Contact Chamber -� Stewart
Creek

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 1 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
Limit Violation
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE
ok
Over
VIOLATION TYPE VIOLATION ACTION
06-2015 001
06-2015 001
07-2015 001
07-2015 001
07-2015 001
07-2015 001
08-2015 001
08-2015 001
12-2015 001
01-2016 001
01-2016 001
02-2016 001
02-2016 001
03-2016 001
03-2016 001
03-2016 001
Effluent Chlorine, Total Residual 06/23/15 Weekly
Effluent Chlorine, Total Residual 06/30/15 Weekly
Effluent Chlorine, Total Residual 07/07/15 Weekly
Effluent Chlorine, Total Residual 07/14/15 Weekly
Effluent Chlorine, Total Residual 07/21/15 Weekly
Effluent Chlorine, Total Residual 07/27/15 Weekly
Effluent Chlorine, Total Residual 08/11/15 Weekly
Effluent Chlorine, Total Residual 08/18/15 Weekly
Effluent Chlorine, Total Residual 12/29/15 Weekly
Effluent Chlorine, Total Residual 01/05/16 Weekly
Effluent Chlorine, Total Residual 01/26/16 Weekly
Effluent Chlorine, Total Residual 02/09/16 Weekly
Effluent Chlorine, Total Residual 02/23/16 Weekly
Effluent Chlorine, Total Residual 03/01/16 Weekly
Effluent Chlorine, Total Residual 03/15/16 Weekly
Effluent Chlorine, Total Residual 03/22/16 Weekly
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
17 21 23.5 Daily Maximum No Action, BPJ
Exceeded
17 116 582.4 Daily Maximum No Action, BPJ
Exceeded
17 31 82.4 Daily Maximum No Action, BPJ
Exceeded
17 38 123.5 Daily Maximum No Action, BPJ
Exceeded
17 136 700 Daily Maximum No Action, BPJ
Exceeded
17 34 100 Daily Maximum No Action, BPJ
Exceeded
17 30 76.5 Daily Maximum No Action, BPJ
Exceeded
17 21 23.5 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 21 23.5 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 22 29.4 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 37 117.6 Daily Maximum No Action, BPJ
Exceeded

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 2 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
Limit Violation
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE Over
VIOLATION TYPE VIOLATION ACTION
03-2016 001
04-2016 001
04-2016 001
05-2016 001
06-2016 001
06-2016 001
07-2016 001
07-2016 001
07-2016 001
07-2016 001
08-2016 001
08-2016 001
08-2016 001
08-2016 001
08-2016 001
09-2016 001
Effluent Chlorine, Total Residual 03/29/16 Weekly
Effluent Chlorine, Total Residual 04/12/16 Weekly
Effluent Chlorine, Total Residual 04/26/16 Weekly
Effluent Chlorine, Total Residual 05/25/16 Weekly
Effluent Chlorine, Total Residual 06/21/16 Weekly
Effluent Chlorine, Total Residual 06/28/16 Weekly
Effluent Chlorine, Total Residual 07/05/16 Weekly
Effluent Chlorine, Total Residual 07/12/16 Weekly
Effluent Chlorine, Total Residual 07/19/16 Weekly
Effluent Chlorine, Total Residual 07/29/16 Weekly
Effluent Chlorine, Total Residual 08/02/16 Weekly
Effluent Chlorine, Total Residual 08/10/16 Weekly
Effluent Chlorine, Total Residual 08/16/16 Weekly
Effluent Chlorine, Total Residual 08/23/16 Weekly
Effluent Chlorine, Total Residual 08/30/16 Weekly
Effluent Chlorine, Total Residual 09/06/16 Weekly
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 22 29.4 Daily Maximum No Action, BPJ
Exceeded
17 20 17.6 Daily Maximum No Action, BPJ
Exceeded
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 21 23.5 Daily Maximum No Action, BPJ
Exceeded
17 21 23.5 Daily Maximum No Action, BPJ
Exceeded
17 30 76.5 Daily Maximum No Action, BPJ
Exceeded
17 47 176.5 Daily Maximum No Action, BPJ
Exceeded
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 20 17.6 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 22 29.4 Daily Maximum No Action, BPJ
Exceeded
17 25 47.1 Daily Maximum No Action, BPJ
Exceeded

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 3 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
Limit Violation
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE Over
VIOLATION TYPE VIOLATION ACTION
09-2016 001
09-2016 001
09-2016 001
11-2016 001
05-2017 001
07-2017 001
08-2017 001
08-2017 001
08-2017 001
08-2017 001
08-2017 001
09-2017 001
10-2017 001
10-2017 001
11-2017 001
01-2018 001
Effluent Chlorine, Total Residual 09/14/16 Weekly
Effluent Chlorine, Total Residual 09/20/16 Weekly
Effluent Chlorine, Total Residual 09/27/16 Weekly
Effluent Chlorine, Total Residual 11/01/16 Weekly
Effluent Chlorine, Total Residual 05/02/17 Weekly
Effluent Chlorine, Total Residual 07/18/17 Weekly
Effluent Chlorine, Total Residual 08/01/17 Weekly
Effluent Chlorine, Total Residual 08/08/17 Weekly
Effluent Chlorine, Total Residual 08/15/17 Weekly
Effluent Chlorine, Total Residual 08/22/17 Weekly
Effluent Chlorine, Total Residual 08/29/17 Weekly
Effluent Chlorine, Total Residual 09/05/17 Weekly
Effluent Chlorine, Total Residual 10/03/17 Weekly
Effluent Chlorine, Total Residual 10/17/17 Weekly
Effluent Chlorine, Total Residual 11/07/17 Weekly
Effluent Chlorine, Total Residual 01/23/18 Weekly
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
17 20 17.6 Daily Maximum No Action, BPJ
Exceeded
17 24 41.2 Daily Maximum No Action, BPJ
Exceeded
17 24 41.2 Daily Maximum No Action, BPJ
Exceeded
17 29 70.6 Daily Maximum No Action, BPJ
Exceeded
17 32 88.2 Daily Maximum No Action, BPJ
Exceeded
17 34 100 Daily Maximum No Action, BPJ
Exceeded
17 27 58.8 Daily Maximum No Action, BPJ
Exceeded
17 39 129.4 Daily Maximum No Action, BPJ
Exceeded
17 32 88.2 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 36 111.8 Daily Maximum No Action, BPJ
Exceeded
17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
17 22 29.4 Daily Maximum No Action, BPJ
Exceeded
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 29 70.6 Daily Maximum No Action, BPJ
Exceeded

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 4 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
Limit Violation
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE Over
VIOLATION TYPE VIOLATION ACTION
05-2018 001 Effluent Chlorine, Total Residual 05/22/18 Weekly ug/I 17 47 176.5 Daily Maximum No Action, BPJ
Exceeded
07-2018 001 Effluent Chlorine, Total Residual 07/10/18 Weekly ug/I 17 39 129.4 Daily Maximum No Action, BPJ
Exceeded
07-2018 001 Effluent Chlorine, Total Residual 07/17/18 Weekly ug/I 17 30 76.5 Daily Maximum No Action, BPJ
Exceeded
07-2018 001 Effluent Chlorine, Total Residual 07/24/18 Weekly ug/I 17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
08-2018 001 Effluent Chlorine, Total Residual 08/21/18 Weekly ug/I 17 39 129.4 Daily Maximum No Action, BPJ
Exceeded
09-2018 001 Effluent Chlorine, Total Residual 09/11/18 Weekly ug/I 17 43 152.9 Daily Maximum No Action, BPJ
Exceeded
10-2018 001 Effluent Chlorine, Total Residual 10/09/18 Weekly ug/I 17 40 135.3 Daily Maximum No Action, BPJ
Exceeded
02-2019 001 Effluent Chlorine, Total Residual 02/12/19 Weekly ug/I 17 30 76.5 Daily Maximum No Action, BPJ
Exceeded
03-2019 001 Effluent Chlorine, Total Residual 03/26/19 Weekly ug/I 17 18 5.9 Daily Maximum No Action, BPJ
Exceeded
04-2019 001 Effluent Chlorine, Total Residual 04/02/19 Weekly ug/I 17 22 29.4 Daily Maximum No Action, BPJ
Exceeded
04-2019 001 Effluent Chlorine, Total Residual 04/30/19 Weekly ug/I 17 35 105.9 Daily Maximum No Action, BPJ
Exceeded
06-2019 001 Effluent Chlorine, Total Residual 06/04/19 Weekly ug/I 17 33 94.1 Daily Maximum No Action, BPJ
Exceeded
06-2019 001 Effluent Chlorine, Total Residual 06/11/19 Weekly ug/I 17 26 52.9 Daily Maximum No Action, BPJ
Exceeded
07-2019 001 Effluent Chlorine, Total Residual 07/02/19 Weekly ug/I 17 43 152.9 Daily Maximum No Action, BPJ
Exceeded
09-2019 001 Effluent Chlorine, Total Residual 09/10/19 Weekly ug/I 17 27 58.8 Daily Maximum No Action, BPJ
Exceeded
09-2019 001 Effluent Chlorine, Total Residual 09/24/19 Weekly ug/I 17 18 5.9 Daily Maximum No Action, BPJ
Exceeded

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 5 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
Limit Violation
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE Over
VIOLATION TYPE VIOLATION ACTION
10-2019 001
11-2019 001
07-2015 002
08-2015 002
09-2015 002
10-2015 002
11-2015 002
12-2015 002
01-2016 002
02-2016 002
03-2016 002
04-2016 002
05-2016 002
07-2016 002
09-2016 002
11-2016 002
Effluent Chlorine, Total Residual 10/01/19 Weekly
Effluent Chlorine, Total Residual 11/26/19 Weekly
Effluent Chlorine, Total Residual 07/14/15 Monthly
Effluent Chlorine, Total Residual 08/18/15 Monthly
Effluent Chlorine, Total Residual 09/08/15 Monthly
Effluent Chlorine, Total Residual 10/13/15 Monthly
Effluent Chlorine, Total Residual 11/10/15 Monthly
Effluent Chlorine, Total Residual 12/08/15 Monthly
Effluent Chlorine, Total Residual 01/12/16 Monthly
Effluent Chlorine, Total Residual 02/09/16 Monthly
Effluent Chlorine, Total Residual 03/08/16 Monthly
Effluent Chlorine, Total Residual 04/12/16 Monthly
Effluent Chlorine, Total Residual 05/10/16 Monthly
Effluent Chlorine, Total Residual 07/12/16 Monthly
Effluent Chlorine, Total Residual 09/13/16 Monthly
Effluent Chlorine, Total Residual 11/08/16 Monthly
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
17 25 47.1 Daily Maximum No Action, BPJ
Exceeded
17 26 52.9 Daily Maximum No Action, BPJ
Exceeded
17 37 117.6 Daily Maximum No Action, BPJ
Exceeded
17 22 29.4 Daily Maximum No Action, BPJ
Exceeded
17 29 70.6 Daily Maximum No Action, BPJ
Exceeded
17 49 188.2 Daily Maximum No Action, BPJ
Exceeded
17 40 135.3 Daily Maximum No Action, BPJ
Exceeded
17 35 105.9 Daily Maximum No Action, BPJ
Exceeded
17 250 1,370.6 Daily Maximum Proceed to NOV
Exceeded
17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
17 23 35.3 Daily Maximum No Action, BPJ
Exceeded
17 25 47.1 Daily Maximum No Action, BPJ
Exceeded
17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
17 24 41.2 Daily Maximum No Action, BPJ
Exceeded
17 20 17.6 Daily Maximum No Action, BPJ
Exceeded
17 37 117.6 Daily Maximum No Action, BPJ
Exceeded

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 6 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
Limit Violation
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE Over
VIOLATION TYPE VIOLATION ACTION
12-2016 002 Effluent Chlorine, Total Residual 12/13/16 Monthly ug/I 17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
01-2017 002 Effluent Chlorine, Total Residual 01/10/17 Monthly ug/I 17 25 47.1 Daily Maximum No Action, BPJ
Exceeded
02-2017 002 Effluent Chlorine, Total Residual 02/14/17 Monthly ug/I 17 24 41.2 Daily Maximum No Action, BPJ
Exceeded
04-2017 002 Effluent Chlorine, Total Residual 04/11/17 Monthly ug/I 17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
07-2017 002 Effluent Chlorine, Total Residual 07/24/17 Monthly ug/I 17 48 182.4 Daily Maximum No Action, BPJ
Exceeded
11-2017 002 Effluent Chlorine, Total Residual 11/14/17 Monthly ug/I 17 19 11.8 Daily Maximum No Action, BPJ
Exceeded
01-2018 002 Effluent Chlorine, Total Residual 01/09/18 Monthly ug/I 17 40 135.3 Daily Maximum No Action, BPJ
Exceeded
02-2018 002 Effluent Chlorine, Total Residual 02/13/18 Monthly ug/I 17 45 164.7 Daily Maximum No Action, BPJ
Exceeded
03-2018 002 Effluent Chlorine, Total Residual 03/15/18 Monthly ug/I 17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
04-2018 002 Effluent Chlorine, Total Residual 04/10/18 Monthly ug/I 17 43 152.9 Daily Maximum No Action, BPJ
Exceeded
11-2018 002 Effluent Chlorine, Total Residual 11/13/18 Monthly ug/I 17 60 252.9 Daily Maximum Proceed to NOV
Exceeded
02-2019 002 Effluent Chlorine, Total Residual 02/12/19 Monthly ug/I 17 41 141.2 Daily Maximum No Action, BPJ
Exceeded
05-2019 002 Effluent Chlorine, Total Residual 05/14/19 Monthly ug/I 17 32 88.2 Daily Maximum No Action, BPJ
Exceeded
Monitoring Violation
MONITORING VIOLATION UNIT OF CALCULATED
REPORT OUTFALL LOCATION PARAMETER DATE FREQUENCY MEASURE LIMIT VALUE Over VIOLATION TYPE VIOLATION ACTION
03-2015 001
Reporting Violation
Effluent Pass/Fail Static Renewal 03/31/15 Quarterly pass/fail
7Day Chronic Ceriodaphnia
Frequency Violation
No Action, Facility
Reporting Error

MONITORING REPORT(MR) VIOLATIONS for:
Report Date: 03/11/20 Page 7 of 7
Permit: NC0084549 MRs Betweel 3 - 2015 and 3 - 2020
Facility Name: % Param Name%
Major Minor: %
Region: % Violation Category:% Program Category:
County: % Subbasin:% Violation Action: %
PERMIT: NC0084549
FACILITY: Charlotte Water - Franklin WTP
COUNTY: Mecklenburg REGION: Mooresville
MONITORING UNIT OF
OUTFALL LOCATION PARAMETER VIOLATION FREQUENCY
REPORT DATE MEASURE
LIMIT
CALCULATED
VALUE Over
VIOLATION TYPE VIOLATION ACTION
03-2015 002 05/01/15 Outfall Missing
No Action, BIMS
Calculation Error

Whole Effluent Toxicity Testing and Self Monitoring Summary
Franklin WTP (CMUD) NC0084549/001 County: Mecklenburg Region: MRO Basin: CTB34 Jan Apr Jul Oct SOC JOC:
Ceri7dPF Begin: 6/1/2015 Chr Monit: 90% NonComp: 7Q10: PF: IWC: Freq: Q
J F M A M J J A S 0 N D
2016 Pass Pass - - Pass - - Pass -
2017 Pass - - Pass - - Pass - - Pass -
2018 Pass - - Fail - - Pass - - Pass -
2019 Pass - - Pass - - Pass - - Pass -
2020 Fail - - Pass - - - - -
- - - - - - - -
-� a —•
I) ! s it q L a 1 s q q aim
--
-- .-- —.
A ! 9 L q 01 L 11 it 1 q •,
- _• • .• _
- --
-� - .-- —.
s ! 9 1 q 1. L it 11 Ii q •.
--
-.. —.
! ! s it q L 1. it L q q 41.
-
Legend: P= Fathead minnow (Pimphales promelas), H=No Flow (facility is active), s = Split test between Certified Labs
Page 46 of 120

United States Environmental Protection Agency
EPA Washington, D.C. 20460
Water Compliance Inspection Report
Form Approved.
OMB No. 2040-0057
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code
1 IN I 2 IL I
21I I I I I I
NPDES yr/mo/day Inspection
'I NC0084549 111 12 I 19/02/07 117
Type
18 1 s I
I I I I I
Inspector Fac Type
19 I s I 201
I I I I I I I I I I I I I I I I I I I I I I I
I I I
I I I I I 166
l
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved
67 I2.o I 70 LJ Id I 71 IN I 72 I N I 73 174 751
I I I I I 1 1l80
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
POTW name and NPDES permit Number)
Franklin WTP
5200 Brookshire Blvd
Charlotte NC 28216
Entry Time/Date
09:15AM 19/02/07
Permit Effective Date
15/06/01
Exit Time/Date
12:OOPM 19/02/07
Permit Expiration Date
20/05/31
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
///
Donna Jean Duckworth/ORC/704-399-2426/
Other Facility Data
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Jacqueline A Jarre11,5100 Brookshire Blvd Charlotte NC 282163371/Operations
Chief/704-336-5433/ No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit Flow Measurement Operations & Maintenance Records/Reports
Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters
Laboratory
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s)
Wes Bell
of Inspector(s) Agency/Office/Phone and Fax Numbers Date
,-DocuSigned by:
MRO WQ//704-663-1699 Ext.2192/ 2/18/2019
'-A61696D90CC3437...
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
W. Corey Basinger Division of Water Quality//704-2;
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
DocuSigned by:
2/18/2019
�A14CC681AF27425...
Page# 1

NPDES yr/mo/day Inspection Type
31 NC0084549 111 121 19/02/07 1 1 18 g
(Cont.)
1
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
EFFLUENT PIPE SECTION cont'd:
The Charlotte -Mecklenburg Stormwater Services staff had received multiple citizen concerns regarding
the black appearance of Stewart Creek (including unnamed tributary) below the facility's discharge
outfall. The effluent channel (Outfall 001) and receiving stream (unnamed tributary to Steward Creek)
were evaluated by DWR staff during the inspection. The bottom substrate and banks on both the
effluent channel and tributary did appear to be black and/or a greyish color. Further evaluations by
DWR staff did reveal that manganese may be a contributing factor to the dark/grey appearances of the
substrate and banks; however, DWR staff will continue to monitor the instream conditions.
Page# 2

Permit: NC0084549
Inspection Date: 02/07/2019
Owner - Facility: Franklin WTP
Inspection Type: Compliance Sampling
Permit
(If the present permit expires in 6 months or less). Has the permittee submitted a new
application?
Is the facility as described in the permit?
# Are there any special conditions for the permit?
Is access to the plant site restricted to the general public?
Is the inspector granted access to all areas for inspection?
Yes No NA NE
❑ ❑ • ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
Comment: The last compliance evaluation inspection performed by DWR staff was on 2/22/16.
Record Keeping
Are records kept and maintained as required by the permit?
Is all required information readily available, complete and current?
Are all records maintained for 3 years (lab. reg. required 5 years)?
Are analytical results consistent with data reported on DMRs?
Is the chain -of -custody complete?
Dates, times and location of sampling
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs
Are DMRs complete: do they include all permit parameters?
Has the facility submitted its annual compliance report to users and DWQ?
(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator
on each shift?
Is the ORC visitation log available and current?
Is the ORC certified at grade equal to or higher than the facility classification?
Is the backup operator certified at one grade less or greater than the facility classification?
Is a copy of the current NPDES permit available on site?
Facility has copy of previous year's Annual Report on file for review?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
•
•
•
•
•
• ❑ ❑ ❑
❑ ❑ • ❑
❑ ❑ ▪ ❑
■ ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
Page# 3

Permit: NC0084549
Inspection Date: 02/07/2019
Owner - Facility: Franklin WTP
Inspection Type: Compliance Sampling
Record Keeping Yes No NA NE
Comment: The records reviewed during the inspection were organized and well maintained. Discharge
Monitoring Reports (eDMRs) were reviewed for the period January 2018 through December
2018. All monitoring frequencies were performed correctly.
An effluent chronic toxicity failure was reported in April 2018. Note: Chronic toxicity is a
monitor only parameter. A daily maximum effluent total residual chlorine violation was
reported in November 2018. The Division has separately addressed this limit violation
through the issuance of a Notice of Violation (NOV).
Laboratory
Are field parameters performed by certified personnel or laboratory?
Are all other parameters(excluding field parameters) performed by a certified lab?
# Is the facility using a contract lab?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
Celsius)?
Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees?
Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
❑ ❑ • ❑
❑ ❑ • ❑
Comment: On -site field analyses (pH, temperature, total residual chlorine) are performed under the
Charlotte Water/Franklin WTP's field laboratory certification #5223. Charlotte Water's
Environmental Services Laboratory (Certification #192) performs all remaining
permit -required analyses with the exception of chronic toxicity. ETT Environmental, Inc. has
been contracted to perform the chronic toxicity analyses.
Effluent Sampling
Is composite sampling flow proportional?
Is sample collected below all treatment units?
Is proper volume collected?
Is the tubing clean?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type
representative)?
Comment: The subject permit requires effluent qrab samples.
Operations & Maintenance
Is the plant generally clean with acceptable housekeeping?
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable
Solids, pH, DO, Sludge Judge, and other that are applicable?
Yes No NA NE
❑ ❑ • ❑
• ❑ ❑ ❑
❑ ❑ • ❑
❑ ❑ • ❑
• ❑ ❑ ❑
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
Page# 4

Permit: NC0084549
Inspection Date: 02/07/2019
Owner - Facility: Franklin WTP
Inspection Type: Compliance Sampling
Operations & Maintenance Yes No NA NE
Comment: The wastewater treatment facility appeared to be properly operated and well maintained.
The ORC and staff implement a comprehensive process control program with all
measurements being properly documented and maintained on -site.
The facility is equipped with a SCADA system to assist the wastewater staff with the
facility's operations.
Equalization Basins
Is the basin aerated?
Is the basin free of bypass lines or structures to the natural environment?
Is the basin free of excessive grease?
Are all pumps present?
Are all pumps operable?
Are float controls operable?
Are audible and visual alarms operable?
# Is basin size/volume adequate?
Yes No NA NE
❑ ❑ • ❑
• ❑ ❑ ❑
❑ ❑ • ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
• ❑ ❑ ❑
Comment: Both equalization basins were operational and in service. Each equalization basin is
equipped with mixers and overflow connections to the sanitary sewer system.
The facility continues to receive the wastewater (sedimentation basins and filter backwash)
from the Vest WTP.
Secondary Clarifier
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Is the drive unit operational?
Is the return rate acceptable (low turbulence)?
Is the overflow clear of excessive solids/pin floc?
Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth)
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
Comment: The facility is equipped with two clarifiers. One of the clarifiers was not in service due to
maintenance activities (recoating of the concrete walls).
De -chlorination Yes No NA NE
Type of system ? Liquid
Page# 5

Permit: NC0084549
Inspection Date: 02/07/2019
Owner - Facility: Franklin WTP
Inspection Type: Compliance Sampling
De -chlorination
Is the feed ratio proportional to chlorine amount (1 to 1)?
Is storage appropriate for cylinders?
# Is de -chlorination substance stored away from chlorine containers?
Are the tablets the proper size and type?
Yes No NA NE
❑ ❑ • ❑
❑ ❑ • ❑
▪ ❑ ❑ ❑
❑ ❑ • ❑
Comment: Aqueous sodium bisulfite is used for dechlorination at Outfall 001. Sodium bisulfite tablets
(Norweco) are used for dechlorination at Outfall 002.
Are tablet de -chlorinators operational?
Number of tubes in use?
Comment:
Flow Measurement - Effluent
# Is flow meter used for reporting?
Is flow meter calibrated annually?
Is the flow meter operational?
(If units are separated) Does the chart recorder match the flow meter?
❑ ❑ • ❑
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
Comment: The flow meter for Outfall 001 is calibrated annually and was last calibrated on 4/3/18 by
Charlotte Water's Instrumentation Section. A portable flow meter is used to measure the
flows at Outfall 002.
Effluent Pipe
Is right of way to the outfall properly maintained?
Are the receiving water free of foam other than trace amounts and other debris?
If effluent (diffuser pipes are required) are they operating properly?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
❑ ❑ • ❑
Comment: Outfall 001 effluent appeared clear with trace suspended solids and no foam. The effluent
pH, dissolved oxygen, and temperature were measured during the inspection at 6.8 SU (pH),
10.9 mg/L (dissolved oxygen), and 11.8 degrees Celsius (temperature). The results of the
effluent grab samples collected by DWR staff at Outfall 001 will be forwarded under
separate cover.
Outfall 002 effluent appeared clear with no floatable solids or foam.
See "Summary" Section for additional comments.
Solids Handling Equipment
Is the equipment operational?
Is the chemical feed equipment operational?
Is storage adequate?
Is the site free of high level of solids in filtrate from filter presses or vacuum filters?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
Page# 6

Permit: NC0084549
Inspection Date: 02/07/2019
Owner - Facility: Franklin WTP
Inspection Type: Compliance Sampling
Solids Handling Equipment
Is the site free of sludge buildup on belts and/or rollers of filter press?
Is the site free of excessive moisture in belt filter press sludge cake?
The facility has an approved sludge management plan?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
Comment: The facility is equipped with a residuals tank, two gravity thickeners, and three belt presses.
Two of the belt presses were operational with the third belt press currently being repaired
(new pump).
Dewatered wastewater solids are transported to the Irwin Creek WWTP bio-solids storage
pad and blended with the WWTP's bio-solids prior to land application (by Synagro) under the
authority of Permit No. WQ0000057.
Page# 7

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
Ms. Jacqueline A. Jarrell
Operations Chief
Environmental Management Division
Charlotte Water
5100 Brookshire Blvd.
Charlotte, North Carolina 28216
Dear Ms. Jarrell:
NORTH CAROLINA
Environmental Quality
19 February 2019
Subject: Compliance Sampling Inspection
Franklin WTP
NPDES Permit No. NC0084549
Mecklenburg County
Enclosed is a copy of the Compliance Sampling Inspection Report for the inspection conducted at the subject facility on
February 7, 2019, by Mr. Wes Bell of this Office. Please inform the facility's Operator -in -Responsible Charge (ORC) of our
findings by forwarding a copy of the enclosed report. The results of the effluent samples collected by DWR staff during the
inspection will be forwarded under separate cover.
The report should be self-explanatory; however, should you have any questions concerning this report, please do
not hesitate to contact Mr. Bell at [phone] or at [e-mail].
Enclosure:
Inspection Report
cc: Rusty Rozzelle, MCWQP (via email)
GDE
Sincerely,
DocuSigned by:
A14CC681 AF27425...
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
North Carolina Department of Environmental Quality I Division of Water Resources
Mooresville Regional Office 1610 East Center Avenue, Suite 301 I Mooresville, North Carolina 28115
704.663.1699
Department of Erniaonmental Dually

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
Ms. Jacqueline A. Jarrell
Operations Chief
Environmental Management Division
Charlotte Water
5100 Brookshire Blvd.
Charlotte, North Carolina 28216
Dear Ms. Jarrell:
NORTH CAROLINA
Environmental Quality
June 19, 2019
Subject: Effluent Sampling Results
Franklin WTP
NPDES Permit No. NC0084549
Mecklenburg County
Enclosed is a copy of the laboratory results for the effluent samples collected during the Compliance Sampling Inspection
performed at the subject facility on February 7, 2019, by Mr. Wes Bell of this Office. Effluent grab samples (including field)
were collected at Outfall 001 during this inspection. The facility complied with all applicable permit limits. Please attach this
correspondence with the previously issued inspection report (February 19, 2019) to complete your records.
Should you have any questions concerning this report, please do not hesitate to contact Mr. Bell at (704) 235-
2192 or at [e-mail].
Enclosure:
Effluent Results
GDE
Sincerely,
DocuSigned by:
44 H P: x>:,t,.
�— F161 FB69A2D84A3...
fo r
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
North Carolina Department of Environmental Quality I Division of Water Resources
Mooresville Regional Office 1610 East Center Avenue, Suite 301 I Mooresville, North Carolina 28115
704.663.1699
Department of Erniaonmental Dually

AC59822 North Carolina Division of Water Resources Water Sciences Section Laboratory Results
Loc, Descr.: FRANKLIN WTP EFFLUENT
County: Mecklenburg
Region: Mooresville
River Basin
Emergency
COC Yes/No Yes
Collector: W BELL
Report To MRO
Collect Date: 02/07/2019
Collect Time: 11_10
Sample Depth
VisitlD
Location ID: NC0084945
Priority ROUTINE
Sample Matrix: WASTEWATER
Loc. Type: EFFLUENT
Final Report
If this report is labeled preliminary report, the results have not been validated.
Result/
CAS # Analyte Name PQL Qualifier
LAB
Sample temperature at receipt by lab 2.6
Sample ID: AC59822
PO Number #
Date Received: 02/08/2019
Time Received: 08:30
Labworks LoginiD MSWIFT
Delivery Method NC Courier
Final Report Date: 3/1/19
Report Print Date: 03/28/2019
Do not use for Regulatory purposes.
Units
eC
Method
Reference
Analysis
Date
2/8/19
Validated by
MSWIFT
Turbidity
1.0
MIC
2.0
NTU
SM 2130 B-2001 2/8/19 ESTAFFORD1
Residue_Suspended in liquid
6.2
WET
6.2 U
mg/L
SM 2540 D-1997 2/14/19 CGREEN
Fe by ICP
50
MET
56
ug/L
EPA 200.7 Rev4.4 2/19/19 ESTAFFORD1
Mg byICP
0.10
1.5
mg/L
EPA 200.7 Rev4.4 2/19/19 ESTAFFORD1
WSS Chemistry Laboratorp> 1623 Mall Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "U" does not indicate the sample Is analyte free but that the analyte is not detected at or above the PQL.
Page 1 of 1

Symbol
A
B
c
NC DEQ WSS LAB
DATA QUALIFIER CODES
Definition
Value reported is the mean (average) of two or more determinations. This code is to be used if the results of two or more discrete and separate
samples are averaged. These samples shall have been processed and analyzed independently (e.g. field duplicates, different dilutions of the
same sample). This code is not required for BOD, coliform or acute/chronic metals reporting since averaging multiple results for these
parameters is fundamental to those methods or manner of reporting.
1 The reported value is an average, where at least one result is qualified with a "U". The PQL is used for the qualified result(s) to calculate
the average.
Results based upon colony counts outside the acceptable range and should be used with caution. This code applies to microbiological tests and
specifically to membrane filter (MF) colony counts. It is to be used if less than 100% sample was analyzed and the colony count is generated
from a plate in which the number of colonies exceeds the ideal ranges indicated by the method. These ideal ranges are defined in the method as:
Fecal coliform or Enterococcus bacteria: 20-60 colonies Total coliform bacteria: 20-80 colonies
1
Countable membranes with less than 20 colonies. Reported value is estimated or is a total of the counts on all filters reported per 100 ml.
2 Counts from all filters were zero. The value reported is based on the number of colonies per 100 ml that would have been reported if
there had been one colony on the filter representing the largest filtration volume (reported as a less than "<" value).
3 Countable membranes with more than 60 or 80 colonies. The value reported is calculated using the count from the smallest volume
filtered and reported as a greater than ">" value.
4
Filters have counts of both >60 or 80 and <20. Reported value is estimated or is a total of the counts on all filters reported per 100 ml.
5
Too many colonies were present; too numerous to count (TNTC). TNTC is generally defined as >150 colonies. The numeric value
represents the maximum number of counts typically accepted on a filter membrane (60 for fecal or enterococcus and 80 for total),
multiplied by 100 and then divided by the smallest filtration volume analyzed. This number is reported as a greater than value.
6 Estimated Value. Blank contamination evident.
7 Many non-coliform or non-enterococcus colonies or interfering non-coliform or non-enterococcus growth present. In this competitive
situation, the reported value may under -represent actual density.
Note: A "B" value shall be accompanied by justification for its use denoted by the numbers listed above (e.g., B1, B2, etc.). Note: A "12" should be
used for spiking failures.
Total residual chlorine was present in sample upon receipt in the laboratory; value is estimated. Generally applies to cyanide, phenol,
NH3, TKN, coliform, and organics.
A single quality control failure occurred during biochemical oxygen demand (BOD) analysis. The sample results should be used with caution.
1 The dissolved oxygen (DO) depletion of the dilution water blank exceeded 0.2 mg/L.
2
The bacterial seed controls did not meet the requirement of a DO depletion of at least 2.0 mg/L and/or a DO residual of at least 1.0 mg/L.
3 No sample dilution met the requirement of a DO depletion of at least 2.0 mg/L and/or a DO residual of at least 1.0 mg/L.
4 Evidence of toxicity was present. This is generally characterized by a significant increase in the BOD value as the sample concentration
decreases. The reported value is calculated from the highest dilution representing the maximum loading potential and should be
considered an estimated value.
5 The glucose/ glutamic acid standard exceeded the range of 198 ± 30.5 mg/L.
6 The calculated seed correction exceeded the range of 0.6 to 1.0 mg/L.
7 Less than 1 mg/L DO remained for all dilutions set. The reported value is an estimated greater than value and is calculated for the dilution
using the least amount of sample.
8 Oxygen usage is less than 2 mg/L for all dilutions set. The reported value is an estimated less than value and is calculated for the dilution
using the most amount of sample.
9 The DO depletion of the dilution water blank produced a negative value.
10 The cBOD value is greater than the BOD value.
Note: A "G" value shall be accompanied by justification for its use denoted by the numbers listed above (e.g., G1, G2, etc.).
QualifierCodes_2_27_2018.xlsx
2/28/2018 1:51 PM
1 OF 3

M
P
s
UU
NC DEQ WSS LAB
DATA QUALIFIER CODES
Estimated value; value may not be accurate. This code is to be used in the following instances:
1 Surrogate recovery limits have been exceeded.
2 The reported value failed to meet the established quality control criteria for either precision or accuracy.
3 The sample matrix interfered with the ability to make any accurate determination.
4 The data is questionable because of improper laboratory or field protocols (e.g., composite sample was collected instead of grab, plastic
instead of glass container, etc.).
5 Temperature limits exceeded (samples frozen or >6°C) during transport or not verifiable (e.g., no temperature blank provided): non -
reportable for NPDES compliance monitoring.
6 The laboratory analysis was from an unpreserved or improperly chemically preserved sample. The data may not be accurate.
7 This qualifier is used to identify analyte concentration exceeding the upper calibration range of the analytical instrument/method. The
reported value should be considered estimated.
8 Temperature limits exceeded (samples frozen or >62C) during storage, the data may not be accurate.
9 The reported value is determined by a one -point estimation rather than against a regression equation. The estimated concentration is
less than the laboratory PQL and greater than the laboratory method detection limit.
10 Unidentified peak; estimated value.
11 The reported value is determined by a one -point estimation rather than against a regression equation. The estimated concentration is
less than the laboratory PQL and greater than the instrument noise level. This code is used when an MDL has not been established for the
analyte in question.
12 The calibration verification did not meet the calibration acceptance criterion for field parameters.
Note: A "1" value shall be accompanied by justification for its use denoted by the numbers listed above (e.g., J1, J2, etc.). A "J" value shall not be
used if another code applies (e.g., N, V, M).
Sample and duplicate results are "out of control". The sample is non -homogenous (e.g., VOA soil). The reported value is the lower value of
duplicate analyses of a sample.
Presumptive evidence of presence of material; estimated value. This code is to be used if:
1 The component has been tentatively identified based on mass spectral library search.
2 There is an indication that the analyte is present, but quality control requirements for confirmation were not met (i.e., presence of
analyte was not confirmed by alternate procedures).
3
This code shall be used if the level is too low to permit accurate quantification, but the estimated concentration is less than the laboratory
PQL and greater than the laboratory method detection limit. This code is not routinely used for most analyses.
4 This code shall be used if the. level is too low to permit accurate quantification, but the estimated concentration is less than the
laboratory practical quantitation limit and greater than the instrument noise level. This code is used when an MDL has not been
established for the analyte in question.
5 The component has been tentatively identified based on a retention time standard.
Holding time exceeded. These codes shall be used if the value is derived from a sample that was received, prepared and/or analyzed after the
approved holding time restrictions for sample preparation and analysis. The value does not meet NPDES requirements.
1 Holding time exceeded prior to receipt by lab.
2 Holding time exceeded following receipt by lab.
Elevated PQL due to matrix interference and/or sample dilution.
Not enough sample provided to prepare and/or analyze a method -required matrix spike (MS) and/or matrix spike duplicate (MSD).
Indicates that the analyte was analyzed for, but not detected above the reported PQL. The number value reported with the "U" qualifier is equal
to the laboratory's PQL*.
Indicates that the analyte was not detected by a screen analysis. The number value reported with the "UU" qualifier is equal to the laboratory's
PQL. The number value was determined by a one -point estimation at the PQL, rather than against a regression equation.
QualifierCodes_2_27_2018.xlsx
2/28/2018 1:51 PM
2 OF 3

X
Y
z
NC DEQ WSS LAB
DATA QUALIFIER CODES
Indicates the analyte was detected in both the sample and the associated blank. Note: The value in the blank shall not be subtracted from the
associated samples.
1 The analyte was detected in both the sample and the method blank.
2 The analyte was detected in both the sample and the field blank
Sample not analyzed for this constituent. This code is to be used if:
1 Sample not screened for this compound.
2 Sampled, but analysis lost or not performed -field error.
3 Sampled, but analysis lost or not performed -lab error.
Note: an "X" value shall be accompanied by justification for its use by the numbers listed.
Elevated PQL due to insufficient sample size.
The sample analysis/results are not reported due to:
1 Inability to analyze the sample.
2 Questions concerning data reliability.
Note: The presence or absence of the analyte cannot be verified.
Supporting Definitions listed below
MDL
A Method Detection Limit (MDL) is defined as the minimum concentration of a substance that can be measured and reported with 99 percent
confidence that the true value is greater than zero and is determined in accordance with 40 CFR Part 136, Appendix B.
ML
PQL
Minimum Levels are used in some EPA methods. A Minimum Level (ML) is the lowest level at which the entire analytical system must give a
recognizable signal and acceptable calibration point for the analyte. It is equivalent to the concentration of the lowest calibration standard,
assuming that all method - specified sample weights, volumes, and cleanup procedures have been employed. The ML is calculated by multiplying
the MDL by 3.18 and rounding the result to the nearest factor of 10 multiple (i.e., 1, 2, or 5). For example, MDL = 1.4 mg/L; ML = 1.4 mg/L x 3.18
= 4.45 rounded to the nearest factor of 10 multiple (i.e., 5) = 5.0 mg/L
The Practical Quantitation Limit (PQL) is defined as the lowest concentration that can be reliably achieved within specified limits of precision and
accuracy during routine laboratory operating conditions. PQLs are subjectively set at some multiple of typical MDLs for reagent water (generally
3 to 10 times the MDL depending upon the parameter or analyte and based on the analyst's best professional judgement, the quality and age of
the instrument and the nature of the samples) rather than explicitly determined. PQLs may be nominally chosen within these guidelines to
simplify data reporting and, where applicable, are generally equal to the concentration of the lowest non -zero standard in the calibration curve.
PQLs are adjusted for sample size, dilution and % moisture. For parameters that are not amenable to MDL studies, the PQL may be defined by
the sample volume and buret graduations for titrations or by minimum measurement values set by the method for method -defined parameters
(e.g., BOD requires a minimum DO depletion of 2.0 mg/L, fecal coliform requires a minimum plate count of 20 cfu, total suspended residue
requires a minimum weight gain of 2.5 mg, etc.). Additionally, some EPA methods prescribe Minimum Levels (MLs) and the lab may set the PQL
equal to this method -stated ML. Determination of PQL is fully described in the laboratory's analytical Standard Operating Procedure (SOP)
document.
QualifierCodes_2_27 2018.xlsx
2/28/2018 1:51 PM 3 OF 3

Freshwater RPA - 95% Probability/95% Confidence Using Metal Translators
MAXIMUM DATA POINTS = 58
REQUIRED DATA ENTRY
Table 1. Project Information
❑ CHECK IF HQW OR ORW WQS
Facility Name
WWTP/WTP Class
NPDES Permit
Outfall
Flow, Qw (MGD)
Receiving Stream
HUC Number
Stream Class
Franklin
PC-1
NC0084549
001
4.682
L
UT to Stewart Creek
C
❑ Apply WS Hardness WQC
7Q10s (cfs)
7Q1Ow (cfs)
30Q2 (cfs)
QA (cfs)
1 Q10s (cfs)
Effluent Hardness
Upstream Hardness
Combined Hardness Chronic
Combined Hardness Acute
0.00
0.00
0.00
0.00
4
0.00
25 mg/L (Avg)
25 mg/L (Avg)
25 mg/L
25 mg/L
Data Source(s)
BIMS DMR DATA Dec2015-May2020
❑ CHECK TO APPLY MODEL
Follow directions for data entry. In some cases a
comment menu list the available choices or a
dropdown menu will provide a list you may select
from. Error message occur if data entry does not
meet input criteria.
Table 2. Parameters of Concern
Par01
Par02
Par03
Par04
Par05
Par06
Par07
Par08
Par09
Par10
Par11
Par12
Par13
Par14
Par15
Par16
Par17
Par18
Par19
Par20
Par21
Par22
Par23
Par24
Par25
Name
WQS
Type Chronic Modifier
Acute
PQL Units
Arsenic
Aquactic Life
C
150
FW
340
ug/L
Arsenic
Human Health
Water Supply
C
10
HH/WS
N/A
ug/L
Beryllium
Aquatic Life
NC
6.5
FW
65
ug/L
Cadmium
Aquatic Life
NC
0.5899
FW
3.2396
ug/L
Chlorides
Aquatic Life
NC
230
FW
ng/L
Chlorinated Phenolic Compounds
Water Supply
NC
1
A
ug/L
4 Total Phenolic Compounds
Aquatic Life
NC
300
A
ug/L
Chromium III
Aquatic Life
NC
117.7325
FW
905.0818
ug/L
Chromium VI
Aquatic Life
NC
11
FW
16
pg/L
Chromium, Total
Aquatic Life
NC
N/A
FW
N/A
pg/L
Copper
Aquatic Life
NC
7.8806
FW
10.4720
ug/L
Cyanide
Aquatic Life
NC
5
FW
22
10
ug/L
Fluoride
Aquatic Life
NC
1,800
FW
ug/L
Lead
Aquatic Life
NC
2.9416
FW
75.4871
ug/L
Mercury
Aquatic Life
NC
12
FW
0.5
ng/L
Molybdenum
Human Health
NC
2000
HH
ug/L
Nickel
Aquatic Life
NC
37.2313
FW
335.2087
pg/L
Nickel
Water Supply
NC
25.0000
WS
N/A
pg/L
Selenium
Aquatic Life
NC
5
FW
56
ug/L
Silver
Aquatic Life
NC
0.06
FW
0.2964
ug/L
Zinc
Aquatic Life
NC
126.7335
FW
125.7052
ug/L
NC0084549 RPA 2020, input
7/10/2020

REASONABLE POTENTIAL ANALYSIS
H1
Effluent Hardness
Date Data BDL=1/2DL Results
1 25 25 Std Dev.
2 Mean
3 C.V.
4 n
5 10th Per value
6 Average Value
7 Max. Value
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
H2
Upstream Hardness
N/A
25.0000
0.0000
1
25.00 mg/L
25.00 mg/L
25.00 mg/L
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
Date Data BDL=1/2DL Results
1 25 25 Std Dev. N/A
2 Mean 25.0000
3 C.V. 0.0000
4 n 1
5 10th Per value 25.00 mg/L
6 Average Value 25.00 mg/L
7 Max. Value 25.00 mg/L
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-2-
NC0084549 RPA 2020, data
7/10/2020

REASONABLE POTENTIAL ANALYSIS
Par05
Chlorides
Date Data BDL=1/2DL Results
1 2/5/2019 < 10 5 Std Dev.
2 2/19/2019 < 10 5 Mean
3 2/26/2019 < 10 5 C.V.
4 3/12/2019 < 10 5 n
5 3/12/2019 < 10 5
6 3/19/2019 < 10 5 Mult Factor =
7 4/9/2019 < 10 5 Max. Value
8 4/16/2019 < 10 5 Max. Pred Cw
9 4/23/2019 < 10 5
10 5/7/2019 < 10 5
11 5/14/2019 < 10 5
12 5/21/2019 < 10 5
13 6/18/2019 < 10 5
14 6/18/2019 < 10 5
15 6/25/2019 < 10 5
16 7/9/2019 < 10 5
17 7/9/2019 < 10 5
18 7/16/2019 < 10 5
19 7/23/2019 < 10 5
20 7/30/2019 < 10 5
21 8/6/2019 < 10 5
22 8/13/2019 < 10 5
23 8/13/2019 < 10 5
24 8/20/2019 < 10 5
25 8/27/2019 < 10 5
26 9/3/2019 < 10 5
27 9/10/2019 < 10 5
28 9/17/2019 < 10 5
29 10/8/2019 < 10 5
30 10/8/2019 < 10 5
31 10/15/2019 < 10 5
32 10/22/2019 < 10 5
33 10/29/2019 < 10 5
34 11/5/2019 < 10 5
35 11/12/2019 < 10 5
36 11/12/2019 < 10 5
37 11/19/2019 < 10 5
38 12/3/2019 < 10 5
39 12/17/2019 < 10 5
40 12/26/2019 < 10 5
41 12/31/2019 < 10 5
42 1/7/2020 < 10 5
43 1/14/2020 < 10 5
44 1/14/2020 < 10 5
45 1/28/2020 < 10 5
46 2/4/2020 < 10 5
47 2/11/2020 < 10 5
48 2/11/2020 < 10 5
49 2/18/2020 < 10 5
50 2/25/2020 < 10 5
51 3/3/2020 < 10 5
52 3/10/2020 < 10 5
53 3/10/2020 < 10 5
54 3/17/2020 < 10 5
55 3/24/2020 < 10 5
56 3/31/2020 < 10 5
57 4/14/2020 < 10 5
58 4/28/2020 < 10 5
Use "PASTE SPECIAL -
Values" then "COPY" .
Maximum data points =
58
Pall
Copper
0.0000
5.0
0.0000
58
1.0
5.0 mg/L
NO DETECTS mg/L
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
Date Data BDL=1/2DL Results
1 7/12/2016 < 2 1 Std Dev. 0.5123
2 10/11/2016 < 2 1 Mean 1.1875
3 1/10/2017 < 5 2.5 C.V. 0.4315
4 4/11/2017 < 2 1 n 16
5 7/18/2017 < 2 1
6 10/10/2017 < 2 1 Mult Factor = 1.33
7 1/9/2018 < 2 1 Max. Value 2.50 ug/L
8 4/10/2018 < 2 1 Max. Pred Cw 0 DETECTS ug/L
9 7/10/2018 < 2 1
10 10/9/2018 < 2 1
11 1/8/2019 < 2 1
12 4/9/2019 < 2 1
13 7/9/2019 < 2 1
14 10/8/2019 < 2 1
15 1/14/2020 < 5 2.5
16 4/7/2020 < 2 1
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-3-
NC0084549 RPA 2020, data
7/10/2020

REASONABLE POTENTIAL ANALYSIS
Par13
Fluoride
Date Data
1/12/2016
4/12/2016
7/12/2016
10/11/2016
1/10/2017
4/11/2017
7/18/2017
10/10/2017
1/9/2018
4/10/2018
7/10/2018
10/9/2018
1/8/2019
4/9/2019
7/9/2019
10/8/2019
1/14/2020
4/7/2020
100
100
100
100
100
100
100
90
120
100
100
100
100
100
100
160
100
200
BDL=1/2DL
50
50
50
50
50
50
50
90
120
50
50
50
50
50
50
160
50
200
Results
Std Dev.
Mean
C.V.
n
Mult Factor =
Max. Value
Max. Pred Cw
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
44.3876
70.5556
0.6291
18
1.43
200.0 ug/L
286.0 ug/L
-4-
NC0084549 RPA 2020, data
7/10/2020

Franklin
N C0084549
Outfall 001
Freshwater RPA - 95% Probability/95% Confidence Using Metal Translators Qw = 4.68235483870968 MGD
Qw (MGD) = 4.68
1Q10S (cfs) = 0.00
7Q1OS (cfs) = 0.00
7Q1OW (cfs) = 0.00
30Q2 (cfs) = 0.00
Avg. Stream Flow, QA (cfs) = 0.00
Receiving Stream: NO HUC NUMBER
MAXIMUM DATA POINTS = 58
WWTP/WTP Class: PC-1
IWC% @ 1Q10S = 100
IWC% @ 7Q1OS = 100
IWC% @ 7Q1OW = 100
IWC% @30Q2= 100
IW%C@QA= 100
Stream Class: C
COMBINED HARDNESS (mg/L)
Acute = 25 mg/L
Chronic = 25 mg/L
PARAMETER
TYPE
(1)
NC STANDARDS OR EPA CRITERIA
C1
H
n
REASONABLE POTENTIAL RESULTS
RECOMMENDED ACTION
Chronic
Applied
Acute
n
# Det. Max Pred Cw Allowable Cw
Chlorides
NC
230
FW
mg/L
58
0
NO DETECTS'
Acute: NO WQS
_ _ _ _ _ ----_ _
Chronic: -230.0--------------------------------
Max MDL = 10
No detects
No detects
Copper
NC
7.8806
FW
10.4720
ug/L
16
0
NO DETECTS'
Acute: 10.47
_ _ _ _ _ ----- _ _
Chronic: 7.88 --------------------------------
Max MDL = 5
No detects
No detects
Fluoride
NC
1800
FW
ug/L
g
18
4
286.0
Acute: NO WQS
Chronic: 1,800.0
No value > Allowable Cw
No RP, Predicted Max < 50% of Allowable Cw -
Fluoride in use, parameter of concern, maintain
quarterly monitoring
No RP, Predicted Max < 50% of Allowable Cw
Fluoride in use, parameter of concern, maintain
quarterly monitoring
NC0084549 RPA 2020, rpa
Page 5 of 6 7/10/2020

Date: 7/10/2020
FACILITY: Franklin Outfall 001
NPDES PERMIT: NC0084549
Dissolved to Total Metal Calculator
In accordance with Federal Regulations, permit limitations must be written as Total Metals per 40 CFR 122.45(c)
Receiving
Stream
summer
7Q10 (CFS)
Receiving
Stream
summer 7Q10
(MGD)
Rec. Stream
1Q10
[MGD]
NPDES
Flow Limit
[MGD]
Total Suspended
Solids
-Fixed Value-
(mg/L)
Combined
Hardness
chronic
(mg/L)
Combined
Hardness
Acute
(mg/L)
Instream
Wastewater
Concentration
(Chronic)
Instream
Wastewater
Concentration
(Acute)
Upstream
Hardness
Average (mg/L)
Effluent
Hardness
Average
(mg/L)
I 0.0000
I 0.0000
0.0000
4.6824
10
25.000
25.000
100.0000
100.0000
I 25
25
PARAMETER
Dissolved Metals
Chronic
Acute
[ug/I]
[ug/I]
US EPA
Translators- using
Default Partition
Coefficients
(streams)
Maximum Allowable Effluent Concentration
(MAEC) as a Total Metal
=Dissolved Metal = Translator
Chronic
Acute
Upstream Hard Avg (mg/L) =
25
EFF Hard Avg (mg/L) = 25
[ug/I]
[ug/I]
Cadmium (d)
0.15
0.82
0.252
0.59
3.24
Cd -Trout streams
0.15
0.51
0.252
0.59
2.01
Chromium III (d)(h)
24
183
0.202
117.73
905.08
Chromium VI (d)
11
16
1.000
11.00
16.00
Chromium, Total (t)
N/A
N/A
Copper (d)(h)
2.7
3.6
0.348
7.88
10.47
Lead (d)(h)
0.54
14
0.184
2.94
75.49
Nickel (d)(h)
16
145
0.432
37.23
335.21
Ni - WS streams (t)
25 N/A
Silver (d)(h,acute)
0.06
0.30
1.000
0.06
0.30
Zinc (d)(h)
36
36
0.288
126.73
125.71
Beryllium
Arsenic (d)
6.5 65
150 340
1.000
1.000
6.5 65
150 340
COMMENTS (identify parameters to PERCS Branch to maintain in facility's LTMP/STMP):
(d) = dissolved metal standard. See 15A NCAC 02B .0211 for more information.
(h) = hardness -dependent dissolved metal standard. See 15A NCAC 02B .0211 for more information.
(t) = based upon measurement of total recoveable metal. See 15A NCAC 02B .0211 for more information.
The Human Health standard for Nickel in Water Supply Streams is 25 mg/L which is Total Recoverable metal standard.
The Human Health standard for Arsenic is 10 µg/L which is Total Recoverable metal standard.

Permit No. NC0084387
NPDES Implementation of Instream Dissolved Metals Standards - Freshwater Standards
The NC 2007-2015 Water Quality Standard (WQS) Triennial Review was approved by the NC
Environmental Management Commission (EMC) on November 13, 2014. The US EPA subsequently
approved the WQS revisions on April6, 2016, with some exceptions. Therefore, metal limits in draft
permits out to public notice after April6, 2016 must be calculated to protect the new standards - as
approved.
Table 1. NC Dissolved Metals Water Quality Standards/Aquatic Life Protection
Parameter
Acute FW, µg/1
(Dissolved)
Chronic FW, µg/1
(Dissolved)
Acute SW, µg/1
(Dissolved)
Chronic SW, µg/1
(Dissolved)
Arsenic
340
150
69
36
Beryllium
65
6.5
---
---
Cadmium
Calculation
Calculation
40
8.8
Chromium III
Calculation
Calculation
---
---
Chromium VI
16
11
1100
50
Copper
Calculation
Calculation
4.8
3.1
Lead
Calculation
Calculation
210
8.1
Nickel
Calculation
Calculation
74
8.2
Silver
Calculation
0.06
1.9
0.1
Zinc
Calculation
Calculation
90
81
Table 1 Notes:
1. FW= Freshwater, SW= Saltwater
2. Calculation = Hardness dependent standard
3. Only the aquatic life standards listed above are expressed in dissolved form. Aquatic life
standards for Mercury and selenium are still expressed as Total Recoverable Metals due to
bioaccumulative concerns (as are all human health standards for all metals). It is still necessary
to evaluate total recoverable aquatic life and human health standards listed in 15A NCAC
2B.0200 (e.g., arsenic at 10 µg/1 for human health protection; cyanide at 5 µg/L and fluoride at
1.8 mg/L for aquatic life protection).
Table 2. Dissolved Freshwater Standards for Hardness -Dependent Metals
The Water Effects Ratio (WER) is equal to one unless determined otherwise under 15A
NCAC 02B .0211 Subparagraph (11)(d)
Metal
NC Dissolved Standard, µg/I
Cadmium, Acute
WER*{1.136672-[ln hardness](0.041838)} - e^{0.9151 [ln hardness]-3.1485}
Cadmium, Acute Trout waters
WER*{1.136672-[ln hardness](0.041838)} - e^{0.9151[ln hardness]-3.6236}
Cadmium, Chronic
WER*{1.101672-[ln hardness](0.041838)} - e^{0.7998[ln hardness]-4.4451}
Chromium III, Acute
WER*0.316 - e^{0.8190[ln hardness]+3.7256}
Chromium III, Chronic
WER*0.860 • e^{0.8190[ln hardness]+0.6848}
Copper, Acute
WER*0.960 • e^{0.9422[ln hardness]-1.700}
Copper, Chronic
WER*0.960 • e^{0.8545[ln hardness]-1.702}
Lead, Acute
WER*{1.46203-[ln hardness](0.145712)} • e^{1.273[ln hardness]-1.460}
Lead, Chronic
WER*{1.46203-[ln hardness](0.145712)} • e^{1.273[ln hardness]-4.705}
Nickel, Acute
WER*0.998 • e^{0.8460[ln hardness]+2.255}
Nickel, Chronic
WER*0.997 • e^{0.8460[ln hardness]+0.0584}
Page 1 of 4

Permit No. NC0084387
Silver, Acute
WER*0.85 • e^{1.72[ln hardness]-6.59}
Silver, Chronic
Not applicable
Zinc, Acute
WER*0.978 • e^{0.8473[ln hardness]+0.884}
Zinc, Chronic
WER*0.986 • e^{0.8473[ln hardness]+0.884}
General Information on the Reasonable Potential Analysis (RPA)
The RPA process itself did not change as the result of the new metals standards. However, application of
the dissolved and hardness -dependent standards requires additional consideration in order to establish the
numeric standard for each metal of concern of each individual discharge.
The hardness -based standards require some knowledge of the effluent and instream (upstream) hardness
and so must be calculated case -by -case for each discharge.
Metals limits must be expressed as `total recoverable' metals in accordance with 40 CFR 122.45(c). The
discharge -specific standards must be converted to the equivalent total values for use in the RPA
calculations. We will generally rely on default translator values developed for each metal (more on that
below), but it is also possible to consider case -specific translators developed in accordance with
established methodology.
RPA Permitting Guidance/WQBELs for Hardness -Dependent Metals - Freshwater
The RPA is designed to predict the maximum likely effluent concentrations for each metal of concern,
based on recent effluent data, and calculate the allowable effluent concentrations, based on applicable
standards and the critical low -flow values for the receiving stream.
If the maximum predicted value is greater than the maximum allowed value (chronic or acute), the
discharge has reasonable potential to exceed the standard, which warrants a permit limit in most cases. If
monitoring for a particular pollutant indicates that the pollutant is not present (i.e. consistently below
detection level), then the Division may remove the monitoring requirement in the reissued permit.
1. To perform a RPA on the Freshwater hardness -dependent metals the Permit Writer compiles the
following information:
• Critical low flow of the receiving stream, 7Q10 (the spreadsheet automatically calculates
the 1Q10 using the formula 1Q10 = 0.843 (s7Q10, cfs) 0.993
• Effluent hardness and upstream hardness, site -specific data is preferred
• Permitted flow
• Receiving stream classification
2. In order to establish the numeric standard for each hardness -dependent metal of concern and for
each individual discharge, the Permit Writer must first determine what effluent and instream
(upstream) hardness values to use in the equations.
The permit writer reviews DMR's, Effluent Pollutant Scans, and Toxicity Test results for any
hardness data and contacts the Permittee to see if any additional data is available for instream
hardness values, upstream of the discharge.
If no hardness data is available, the permit writer may choose to do an initial evaluation using a
default hardness of 25 mg/L (CaCO3 or (Ca + Mg)). Minimum and maximum limits on the
hardness value used for water quality calculations are 25 mg/L and 400 mg/L, respectively.
If the use of a default hardness value results in a hardness -dependent metal showing reasonable
potential, the permit writer contacts the Permittee and requests 5 site -specific effluent and
upstream hardness samples over a period of one week. The RPA is rerun using the new data.
Page 2 of 4

Permit No. NC0084387
The overall hardness value used in the water quality calculations is calculated as follows:
Combined Hardness (chronic)
= (Permitted Flow, cfs *Avg. Effluent Hardness, mg/L) + (s7Q10, cfs *Avg. Upstream Hardness, mg/L)
(Permitted Flow, cfs + s7Q10, cfs)
The Combined Hardness for acute is the same but the calculation uses the 1Q10 flow.
3. The permit writer converts the numeric standard for each metal of concern to a total recoverable
metal, using the EPA Default Partition Coefficients (DPCs) or site -specific translators, if any
have been developed using federally approved methodology.
EPA default partition coefficients or the "Fraction Dissolved" converts the value for
dissolved metal at laboratory conditions to total recoverable metal at in -stream
ambient conditions. This factor is calculated using the linear partition coefficients
found in The Metals Translator: Guidance for Calculating a Total Recoverable
Permit Limit from a Dissolved Criterion (EPA 823-B-96-007, June 1996) and the
equation:
Cdiss = 1
Ctotal 1 + { /K 0I /SS(t+a)l [ 10-61 i
Where:
ss = in -stream suspended solids concentration [mg/1], minimum of 10 mg/L used,
and
Kpo and a = constants that express the equilibrium relationship between dissolved
and adsorbed forms of metals. A list of constants used for each hardness -dependent
metal can also be found in the RPA program under a sheet labeled DPCs.
4. The numeric standard for each metal of concern is divided by the default partition coefficient (or
site -specific translator) to obtain a Total Recoverable Metal at ambient conditions.
In some cases, where an EPA default partition coefficient translator does not exist (ie. silver), the
dissolved numeric standard for each metal of concern is divided by the EPA conversion factor to
obtain a Total Recoverable Metal at ambient conditions. This method presumes that the metal is
dissolved to the same extent as it was during EPA's criteria development for metals. For more
information on conversion factors see the June, 1996 EPA Translator Guidance Document.
5. The RPA spreadsheet uses a mass balance equation to determine the total allowable concentration
(permit limits) for each pollutant using the following equation:
Ca = (s7Q10 + Qw) (Cwqs) — (s7Q10) (Cb)
Qw
Where: Ca = allowable effluent concentration (µg/L or mg/L)
Cwqs = NC Water Quality Standard or federal criteria (µg/L or mg/L)
Cb = background concentration: assume zero for all toxicants except NH3* (µg/L or mg/L)
Qw = permitted effluent flow (cfs, match s7Q10)
s7Q10 = summer low flow used to protect aquatic life from chronic toxicity and human
health through the consumption of water, fish, and shellfish from noncarcinogens (cfs)
* Discussions are on -going with EPA on how best to address background concentrations
Flows other than s7Q10 may be incorporated as applicable:
1Q10 = used in the equation to protect aquatic life from acute toxicity
Page 3 of 4

Permit No. NC0084387
QA = used in the equation to protect human health through the consumption of water,
fish, and shellfish from carcinogens
30Q2 = used in the equation to protect aesthetic quality
6. The permit writer enters the most recent 2-3 years of effluent data for each pollutant of concern.
Data entered must have been taken within four and one-half years prior to the date of the permit
application (40 CFR 122.21). The RPA spreadsheet estimates the 95th percentile upper
concentration of each pollutant. The Predicted Max concentrations are compared to the Total
allowable concentrations to determine if a permit limit is necessary. If the predicted max exceeds
the acute or chronic Total allowable concentrations, the discharge is considered to show
reasonable potential to violate the water quality standard, and a permit limit (Total allowable
concentration) is included in the permit in accordance with the U.S. EPA Technical Support
Document for Water Quality -Based Toxics Control published in 1991.
7. When appropriate, permit writers develop facility specific compliance schedules in accordance
with the EPA Headquarters Memo dated May 10, 2007 from James Hanlon to Alexis Strauss on
40 CFR 122.47 Compliance Schedule Requirements.
8. The Total Chromium NC WQS was removed and replaced with trivalent chromium and
hexavalent chromium Water Quality Standards. As a cost savings measure, total chromium data
results may be used as a conservative surrogate in cases where there are no analytical results
based on chromium III or VI. In these cases, the projected maximum concentration (95th %) for
total chromium will be compared against water quality standards for chromium III and
chromium VI.
9. Effluent hardness sampling and instream hardness sampling, upstream of the discharge, are
inserted into all permits with facilities monitoring for hardness -dependent metals to ensure the
accuracy of the permit limits and to build a more robust hardness dataset.
10. Hardness and flow values used in the Reasonable Potential Analysis for this permit included:
Parameter
Value
Comments (Data Source)
Average Effluent Hardness (mg/L)
[Total as, CaCO3 or (Ca+Mg)]
25
Default Value
Average Upstream Hardness (mg/L)
[Total as, CaCO3 or (Ca+Mg)]
25
Default Value
7Q10 summer (cfs)
1.8
NPDES file and BIMS
1Q10 (cfs)
0.9742
RPA collection, NPDES file and
BIMS
Permitted Flow (MGD)
0.605
Flow not limited; Maximum
Monthly Average used per WTP
strategy
Date: April 19, 2020
Permit Writer: Derek C. Denard
Page 4 of 4

Environmental Interest Number 001
Sampling Location EFFLUENT
Parameter Flow, in conduit or thru treatment plant
Row Labels Max Min Average Count
2015 6.767 3.122 3.878 31
12 6.767 3.122 3.878 31
2016 6.424 1.239 3.806 366
1 4.874 2.901 3.828 31
2 4.351 2.832 3.506 29
3 5.813 2.867 3.977 31
4 5.287 1.239 3.753 30
5 4.762 2.765 3.861 31
6 6.085 3.420 4.072 30
7 5.743 2.384 4.263 31
8 6.112 3.164 4.069 31
9 4.956 2.808 3.788 30
10 6.424 2.209 3.517 31
11 5.365 2.691 3.494 30
12 4.512 2.767 3.517 31
2017 9.620 2.535 3.932 365
1 6.168 2.569 3.778 31
2 3.704 2.535 3.054 28
3 4.507 2.601 3.238 31
4 4.147 2.538 3.466 30
5 4.854 3.578 4.168 31
6 5.845 3.715 4.634 30
7 5.562 3.871 4.682 31
8 6.056 3.221 4.090 31
9 9.620 2.922 4.520 30
10 5.548 3.030 4.082 31
11 6.132 2.559 3.706 30
12 5.252 2.961 3.695 31
2018 _ 4.771 1.848 3.249 365
1 4.771 2.476 3.715 31
2 4.216 3.320 3.697 28
3 4.435 2.195 3.201 31
4 4.050 2.222 2.862 30
5 3.813 2.543 3.209 31
6 3.871 2.543 3.297 30
7 4.422 2.787 3.385 31
8 4.169 2.427 3.312 31
9 4.688 2.828 3.597 30
10 4.163 2.417 3.101 31
11 3.096 2.104 2.668 30
12 4.124 1.848 2.966 31
2019 5.511 1.034 3.287 365
1 3.413 1.817 2.794 31
2 3.849 1.690 2.984 28
3 3.577 2.038 2.867 31
4 4.799 2.576 3.232 30
5 5.511 2.556 3.486 31
6 4.537 2.619 3.470 30
7 4.056 2.407 3.354 31
8 4.887 1.548 3.411 31

9 5.011 2.263 3.681 30
10 4.905 3.400 4.083 31
11 5.319 1.034 3.275 30
12 3.499 2.047 2.792 31
2020 7.687 2.010 3.513 152
1 3.978 2.010 2.885 31
2 7.687 2.110 3.895 29
3 4.787 2.182 3.405 31
4 6.386 2.134 3.784 30
5 4.540 2.302 3.626 31
Grand Total 9.620 1.034 3.569 1644
Maximum Monthly Average (3 yrs) 4.682
Jun2017 to May 2020

2/1/2021 Mail - Denard, Derek- Outlook
RE: Peer Review - NC0084549 Charlotte Water - Franklin WTP
Phillips, Emily <[e-mail]>
Tue 7/14/2020 11:19 AM
To: Denard, Derek <[e-mail]>
Looks good from here, except the address is incorrect on the cover letter. Should be 5200 Brookshire, not 5100.
You have it right everywhere else in the permit.
From: Denard, Derek
Sent: Tuesday, July 14, 2020 9:36 AM
To: Phillips, Emily <[e-mail]>
Subject: Peer Review - NC0084549 Charlotte Water - Franklin WTP
Emily,
Please find the attached link below to my shared folder for peer reviews. In the folder
for for NNC0084549 Charlotte Water - Franklin WTP is a sub -folder titled Peer Review. Please update
Access for the public notice statement.
Hope you are doing well.
Thanks,
Derek
https://ncconnect-
my.sharepoint.com/t/g/personal/derek denard ncdenr gov/EI3LmHL2LDZKm4Isn5p7g0YBb59XFx683oISEp7wKC
32ow?e=64NtdJ
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 1/1

2/1/2021 Mail - Denard, Derek- Outlook
Draft NC0084549 Charlotte Water - Franklin WTP
Denard, Derek <[e-mail]>
Tue 7/14/2020 9:32 AM
To: Bell, Wes <[e-mail]>
2 attachments (16 MB)
NC0084549 DRAFT 20200720.pdf; NC0084549 Fact Sheet Binder 202007020.docx.pdf;
Wes,
Attached is a draft of NC0084549 Charlotte Water - Franklin WTP and the fact sheet. I will submit it to
public notice on Monday, July 20, 2020. Please let me know if you have any comments.
Hope you are doing well.
Thanks,
Derek
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 1/1

2/3/2021 Mail - Denard, Derek - Outlook
FW: [External] RE: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water
- Franklin WTP - Grade I Physical Chemical WPCS
Sasser, Gabe <[e-mail]>
Mon 8/17/2020 10:55 AM
To: Denard, Derek <[e-mail]>; Crowe, Terry <[e-mail]>; Jarrell, Jackie
<[e-mail]>; Huber, John <[e-mail]>
Cc: Bell, Wes <[e-mail]>; Basinger, Corey <[e-mail]>
1 attachments (928 KB)
CLTW January 2016 Corrected and Recertifed DMR.pdf;
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment
to report.spamPnc.gov
Hi Derek,
Please find attached a PDF copy of the January 2016 DMR from Franklin WTP (NC0084549). Donna Duckworth is
the ORC and recertified and resigned the corrected the section for Outfall 001 this morning. I will mail the original
to you in the morning certified mail. Thanks.
Gabe Sasser / Operations Manager
CHARLOTTE WATER
5200 Brookshire Blvd. / Charlotte, NC 28216
P:704-399-2142 / C:704-507-5267 / charlottewater.org
From: Denard, Derek <[e-mail]>
Sent: Monday, August 17, 2020 10:05 AM
To: Crowe, Terry <[e-mail]>; Jarrell, Jackie <[e-mail]>; Huber, John
<[e-mail]>; Sasser, Gabe <[e-mail]>
Cc: Bell, Wes <[e-mail]>; Basinger, Corey <[e-mail]>
Subject: Re: [External] RE: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water - Franklin WTP -
Grade I Physical Chemical WPCS
Gabe,
That is perfectly fine.
Thank you!
Derek
From: Sasser, Gabe <[e-mail]>
Sent: Monday, August 17, 2020 9:58:31 AM
To: Denard, Derek <[e-mail]>; Crowe, Terry <[e-mail]>; Jarrell, Jackie
<[e-mail]>; Huber, John <[e-mail]>
Cc: Bell, Wes <[e-mail]>; Basinger, Corey <corey.basinger(a)ncdenr.gov>
Subject: FW: [External] RE: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water - Franklin WTP -
Grade I Physical Chemical WPCS
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 1/8

2/3/2021 Mail - Denard, Derek - Outlook
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attachment to report.spampnc.gov
Good Morning Derek,
I hope you are doing well today. To follow up, after checking the units of measure we have confirmed that the 6
Total Fluoride (00951) results you noted in the chart below should have been reported as <100 ug/L instead of
<.100 ug/L and that the 1 flow (50050) result from 6/12/18 should have been reported as 0.1224 MGD instead of
122,400 gpd.
C .otfal I L; Sempl mg Dale — PCS Code H Parameter
HUnit oftrees ure WMeasuremedModifier
001 1/12,201C 00951 Rum de, Total {as 9 Micrograms per Lila- 0.100 LESSTHAN
001 7/122016 00951 Fluoride, Total{as 9 Micrograms per Ulu 0.100 LESSTHAN
001 10/112010 00951 Fluoride, Total {as 9 Fo-liaOgre ms perLiier 0.100 LESSTHAN
001 1/102017 00951 Fluoride, Total (as 9 F:1i3rograms perLiier 0.100 LESSTHAN
001 .4/11 2017 00951 Fluoride, Total {as F} Micrograms grams per Liter 0.100 LESSTH AN
001 7/182017 00951 Fluoride, Total {as 9 1V511o0ams per Liter 0.100 LESSTHAN
002 6/122012 50050 Flow, inoandLritorthrutreatment plant MI lion GsIbns per Day 122,400
For the 6 reports submitted after eDMR was initiated in May 2016, we made the corrections and recertified the
results this morning on the eDMR website. As I now have signatory authority for NC0084549, I plan to go into the
website and resubmit these certified reports later this morning. For the January 2016 report predating eDMR, I
will email you a PDF copy as a point of reference and also send you a copy certified mail to the following address I
have for the mail service center:
ATTN: Central Files
1617 Mail Service Center
P.O. Box 29535
Raleigh, NC 27699-1617
Please let me if this suits you okay. Take care.
Gabe Sasser / Operations Manager
CHARLOTTE WATER
5200 Brookshire Blvd. / Charlotte, NC 28216
P:704-399-2142 / C:704-507-5267 / charlottewater.org
From: Sasser, Gabe
Sent: Thursday, August 13, 2020 12:06 PM
To: 'Denard, Derek' <[e-mail]>; Jarrell, Jackie <[e-mail]>; Huber, John
<jhuber. ci.charlotte.nc.us>; Crowe, Terry <tcrowejci.charlotte.nc.us>
Cc: Bell, Wes <wes.beljncdenr.gov>; Basinger, Corey <corey.basinger(aTncdenr.gov>
Subject: RE: [External] RE: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water - Franklin WTP -
Grade I Physical Chemical WPCS
Hi Derek,
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 2/8

2/3/2021 Mail - Denard, Derek - Outlook
I hope you are doing well today and thanks for getting back to me so quickly. I appreciate and understand your
responses to my questions and comments.
Regarding your question about the dechlorination contact chamber, no, we did not have an engineer go back and
recalculate the capacity. We consulted the 0 and M manual and referenced the maximum hydraulic throughput
for each clarifier (1,540 gpm and 3,200 gpm), totaling 6.8 MGD. If 6.7 MGD had been referenced in the past, my
guess is maybe that was the result of a rounding issue.
Also, we are checking the units of measure you noted below, but I can tell you for those particular dates our Lab
Services group was reporting the fluoride results in mg/L. Our Residuals ORC at Franklin would then take a pdf
copy of their lab report and enter the data into the DMR. Since the DMR is reported in ug/L, we likely missed the
conversion which means the results below listed as "<0.100 ug/L" were actually reported to us as <0.100 mg/L
and therefore should have appeared as < 100 ug/L on the DMR. That error should not happen again since Lab
Services now reports their results directly into Hach WIMS, averting double data entry and unit conversion issues.
Regarding the flow noted on 6/12/18, it should have been reported as 0.1224 MGD, as the permit called for
reporting in MGD instead of gallons per day. We will make those corrections and update the DMRs.
Gabe Sasser / Operations Manager
CHARLOTTE WATER
5200 Brookshire Blvd. / Charlotte, NC 28216
P:704-399-2142 / C:704-507-5267 / charlottewater.org
From: Denard, Derek <[e-mail]>
Sent: Wednesday, August 12, 2020 4:43 PM
To: Sasser, Gabe <[e-mail]>; Jarrell, Jackie <[e-mail]>; Huber, John
<jhuberjci.charlotte.nc.us>; Crowe, Terry <tcrowejci.charlotte.nc.us>
Cc: Bell, Wes <wes.beljncdenr.gov>; Basinger, Corey <corey.basinger(a)ncdenr.gov>
Subject: Re: [External] RE: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water - Franklin WTP -
Grade I Physical Chemical WPCS
Gabe,
My response is in Blue
• On page 2, bullet 3, the 2 raw water pump stations have capacities of 204 and 90, instead of 198 and 90.
Since these have changed and could change in the future, I am removing the capacity descriptions for
pumps stations. This will allow for some flexibility for changing pumps an appurtenances without a
minor permit modification.
• On page 2, bullet 7, the two high service pump stations have capacities of 138 and 114, instead of 128
and 114 Since these have changed and could change in the future, I am removing the capacity
descriptions for pumps stations. This will allow for some flexibility for changing pumps an appurtenances
without a minor permit modification.
• On page 2, bullet 11, the dechlorination contact chamber should be rated as 6.8 MGD instead of 6.7. I
can update this. Was the capacity for the dechlorination contact chamber recalculated by an engineer?
or did we have the wrong information?
• On page 2, bullet 16, please add chlorine gas, powdered activated carbon (PAC) and polymer (noted in
sludge management plan of renewal application). I will add these to the chemical usage list. Please note
that these chemical should have been included in the chemical usage part of the application part 13.
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2/3/2021 Mail - Denard, Derek - Outlook
• On page 3, would NCDEQ consider granting a wider allowable range on the weekly pH requirement?
We've done an excellent job of consistently maintaining the 6-9 range in the past but are unsure how
that range was determined and how being slightly outside of that would impact the receiving stream.
The pH range is a water quality standard. [15A NCAC 2B .0211 (14)]. "pH: shall be between 6.0 and 9.0
except that swamp waters may have a pH as low as 4.3 if it is the result of natural conditions; ..." I am
not aware of any variance that has ever been given from this standard. A review of this facilities data
does not indicated any issues with pH.
• On page 3, would NCDEQ consider reducing the frequency of WET monitoring from
quarterly? Quarterly WET tests are consistent with the WTP permitting and WET testing strategies. I
don't believe we have any WTPs in the state have WET frequency less than quarterly.
• On page 7 of the draft, about halfway down the page, we noted the following new language:
o Starting on December 21, 2020 the permittee must electronically report the following compliance
monitoring data and reports, when applicable:
o Sewer Overflow/Bypass Event Reports;
o Pretreatment Program Annual Reports; and
o Clean Water Act (CWA) Section 316 (b) Annual Reports
I'm not sure how this section applies to our site as a Grade I Physical Chemical WPCS
and would really appreciate any clarification or insights you can provide.
The Electronic reporting special condition is a standard condition for every NPDES permit in
North Carolina. There maybe some language that is not applicable to your facility. The same
argument can be made for Part II, Standard NPDES Conditions.
• The color map included in the final page of the draft permit looks good. In the future, the only way I see
to really improve upon that would be with an aerial GIS, but the map included in the draft appears very
on point and accurate. I will work on inserting an aerial GIS image. The USGS 7.5 min quads are the
standard by most permit writers in the unit.
I meant to send this before the draft. I found a few inconsistencies in reported units of measure:
Outten
001
001
Sampling Dam
1/122016
PC S Code Parameter
00951
7/122016 00951
001 10/112016 00951
001 1/102017
001 4/11Q017
001
002 0/122012 50050
00951
00951
7/182017 00951
HUnit of Measure LP. : haleas uremej !ModifierL�
h,1iar grams per LiiQr 0.100 LESST-EAN
Micrograms per Liier 13.100 LESST1-h
Micrograms per Liter 0.100 LESSTHAN
MiQagrafns per Liter 0.100 LESST1-IAN
Mirs4grams per Liter 0.100 LESSTI-EAN
M1uficrograms per Liier 0.100 LESST1-EAR
Flow, inconduit orthrutreatment plant Million Gelbns per Day 122,400
Flux ide,Total {as F}
Fluoride, Total {as 9
Fluoride, Tote!tas 9
Fluoride, Total (as 9
Fluoride, Total (as F}
Fit/amide, Total {as 9
Please verify these units of measure and update DMRs accordingly.
Thanks,
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
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2/3/2021 Mail - Denard, Derek - Outlook
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Sasser, Gabe <[e-mail]>
Sent: Wednesday, August 12, 2020 12:17 PM
To: Denard, Derek <[e-mail]>; Jarrell, Jackie <[e-mail]>; Huber, John
<[e-mail]>; Crowe, Terry <[e-mail]>
Cc: Basinger, Corey <corey.basinger(ancdenr.gov>; Bell, Wes <wes.belincdenr.gov>; Headrick, Hannah
<hannah.headrickjncdenr.gov>; Kinney, Maureen <Maureen.Kinneyyncdenr.gov>; Farmer, Richard L
<[e-mail]>
Subject: [External] RE: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water - Franklin WTP -
Grade I Physical Chemical WPCS
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an
attachment to report.spamPnc.gov
Hi Derek,
I hope you are doing well today. After reviewing draft permit NC0084549, I would like to provide you with my
comments and a couple of questions:
• On page 2, bullet 3, the 2 raw water pump stations have capacities of 204 and 90, instead of 198 and 90.
• On page 2, bullet 7, the two high service pump stations have capacities of 138 and 114, instead of 128
and 114
• On page 2, bullet 11, the dechlorination contact chamber should be rated as 6.8 MGD instead of 6.7
• On page 2, bullet 16, please add chlorine gas, powdered activated carbon (PAC) and polymer (noted in
sludge management plan of renewal application).
• On page 3, would NCDEQ consider granting a wider allowable range on the weekly pH requirement?
We've done an excellent job of consistently maintaining the 6-9 range in the past but are unsure how
that range was determined and how being slightly outside of that would impact the receiving stream.
• On page 3, would NCDEQ consider reducing the frequency of WET monitoring from quarterly?
• On page 7 of the draft, about halfway down the page, we noted the following new language:
o Starting on December 21, 2020 the permittee must electronically report the following compliance
monitoring data and reports, when applicable:
o Sewer Overflow/Bypass Event Reports;
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 5/8

2/3/2021 Mail - Denard, Derek - Outlook
o Pretreatment Program Annual Reports; and
o Clean Water Act (CWA) Section 316 (b) Annual Reports
I'm not sure how this section applies to our site as a Grade I Physical Chemical WPCS and would really
appreciate any clarification or insights you can provide.
• The color map included in the final page of the draft permit looks good. In the future, the only way I see
to really improve upon that would be with an aerial GIS, but the map included in the draft appears very
on point and accurate.
I really appreciate the opportunity to provide you with my comments and questions regarding the draft version of
Franklin WTP's NPDES permit (NC0084549) and would be more than happy to talk more with you at a time of your
convenience if you have any questions. I added Terry Crowe to the distribution list for this email as he is the plant
supervisor at Franklin WTP. Take care.
Gabe Sasser / Operations Manager
CHARLOTTE WATER
5200 Brookshire Blvd. / Charlotte, NC 28216
P:704-399-2142 / C:704-507-5267 / charlottewater.org
From: Denard, Derek <derek.denardjncdenr.gov>
Sent: Monday, July 20, 2020 5:07 PM
To: Jarrell, Jackie <JJarrellici.charlotte.nc.us>; Huber, John <jhuberrci.charlotte.nc.us>; Banick, Dave
<[e-mail]>; Sasser, Gabe <[e-mail]>
Cc: Basinger, Corey <corey.basinger(ancdenr.gov>; Bell, Wes <wes.beljncdenr.gov>; Headrick, Hannah
<hannah.headrickj« ncdenr.gov>; Kinney, Maureen <Maureen.Kinneyyncdenr.gov>; Farmer, Richard L
<Richard.Farmerj'mecklenburgcountync.gov>
Subject: [EXT] Correction -- Draft NPDES Permit NC0084549 - Charlotte Water - Franklin WTP - Grade I Physical
Chemical WPCS
Dear Ms. Jarrell:
The draft was for Franklin WTP.
Attached is the draft permit with a corrected cover letter for address (street number 5200), permit
number (NC0084549) and facility name (Franklin WTP). Sorry for any confusion.
Sincerely,
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
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2/3/2021 Mail - Denard, Derek - Outlook
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Denard, Derek
Sent: Monday, July 20, 2020 4:35 PM
To: Jarrell, Jackie <JJarrellici.charlotte.nc.us>; Huber, John <[e-mail]>; Banick, Dave
<[e-mail]>; Sasser, Gabe <[e-mail]>
Cc: Basinger, Corey <corey.basinger(ancdenr.gov>; Bell, Wes <wes.beljncdenr.gov>; Headrick, Hannah
<hannah.headrickj ncdenr.gov>; Kinney, Maureen <Maureen.Kinneyyncdenr.gov>; Farmer, Richard
<[e-mail]>
Subject: Draft NPDES Permit NC0084387 - Charlotte Water - Lee S. Dukes WTP - Grade I Physical Chemical WPCS
Dear Ms. Jarrell:
Please find the attached draft NPDES Permit NC0084387 for Charlotte Water - Lee S. Dukes WTP.
In order to provide more convenience, control, and security to our permittees and assist them in
processing their transactions, The Division of Water Resources is currently transitioning towards
electronic correspondence. This will hopefully provide more efficient service to our permittees
and other partners and will allow us to more effectively process and track documents. We are
writing to ask you for your approval of the transmittal of documents related to your permitting
and related activities with the Division in an electronic format. Documents will be emailed to
the appropriate contact person(s) in your organization in a PDF format.
Please respond to me through email with verification that transmittal of your documents in an
electronic manner is acceptable to you.
Please respond to this email confirming that you received the attached document(s), were able
to open and view the document(s) and have saved/printed a copy for your records.
If you have any questions, please feel free to contact me.
Sincerely,
Derek Denard
Environmental Specialist
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 7/8

2/3/2021 Mail - Denard, Derek - Outlook
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
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Observer, The
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July 24, 2020
PUBLIC NOTICE
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Publication Date
2020-07-24
Subcategory
Miscellaneous Notices
PUBLIC NOTICE North Carolina Environmental Management Commission/NPDES Unit 1617 Mail Service
Center Raleigh, NC 27699-1617 Notice of Intent to Issue a NPDES Wastewater Permit NC0084549 Franklin
WTP The North Carolina Environmental Management Commission proposes to issue a NPDES wastewater
discharge permit to the person(s) listed below. Written comments regarding the proposed permit will be
accepted until 30 days after the publish date of this notice. The Director of the NC Division of Water Resources
(DWR) may hold a public hearing should there be a significant degree of public interest. Please mail
comments and/or information requests to DWR at the above address. Interested persons may visit the DWR
at 512 N. Salisbury Street, Raleigh, NC to review information on file. Additional information on NPDES permits
and this notice may be found on our website: http://deq.nc.gov/about/divisions/water-resources/water-
resources-permits/wastewater-branch/npdes-wastewater/public-notices,or by calling [phone].
Charlotte Water, Mecklenburg County, applied to renew NPDES permit for the Franklin WTP [NC0084549]
discharging filter -backwash wastewater to Stewart Creek, Catawba River Basin. Currently Total Residual
Chlorine (TRC) and pH are water -quality limited. This discharge may affect future wasteload allocations in this
portion of Stewart Creek. LP4707061

4/23/2021 Mail - Denard, Derek - Outlook
[External] RE: [EXT]Fw: Issuance of NPDES Permit NC0084549 - Franklin WTP
Sasser, Gabe <[e-mail]>
Fri 4/23/2021 10:29 AM
To: Denard, Derek <[e-mail]>
Cc: Huber, John <[e-mail]>
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment
to Report Spam.
Hi Derek,
That's no problem at all. Yes sir, we received the permit renewal and any correspondence related to NC0084549
(Franklin) or NC0084387 (Dukes) can be sent electronically to John Huber or myself.
Hope all is well. Thank you and take care.
Gabe Sasser / Operations Manager
CHARLOTTE WATER
5200 Brookshire Blvd. / Charlotte, NC 28216
P:704-399-2142 / C:704-507-5267 / charlottewater.org
From: Denard, Derek <[e-mail]>
Sent: Friday, April 23, 2021 9:24 AM
To: Sasser, Gabe <[e-mail]>
Subject: [EXT]Fw: Issuance of NPDES Permit NC0084549 - Franklin WTP
Gabe,
I just wanted to confirm that the final permit was received before I close out my files. I didn't get a
response from anyone in February. Sorry, I somehow, I missed copying you.
Thanks,
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
https://outlook.office365.com/mail/inbox/id/AAQkADdhYTVmZDBILTESZDctNGI5MC04ZjliLWU4MjVhZTBhMmJkMgAQAMOMt%2B2CrPdBjVDjF%2B... 1/3

4/23/2021 Mail - Denard, Derek - Outlook
From: Denard, Derek
Sent: Wednesday, February 10, 2021 3:48 PM
To: Jarrell, Jackie <JJarrelici.charlotte.nc.us>; Huber, John <jhuberjci.charlotte.nc.us>; Banick, Dave
<dbanickkci.charlotte.nc.us>; Huber, John <jhuberrci.charlotte.nc.us>
Cc: Basinger, Corey <corey.basingerPncdenr.gov>; Bell, Wes <wes.beltncdenr.gov>; Thomas, Zachary T
<zachary.thomasja ncdenr.gov>; Moore, Cindy <cindy.a.moorejJncdenr.gov>; Farmer, Richard L
<Richard.Farmerjmecklenburgcountync.gov>; Weaver, Charles <charles.weaverrncdenr.gov>
Subject: Issuance of NPDES Permit NC0084549 - Franklin WTP
Dear Ms. Jarrell:
In order to provide more convenience, control, and security to our permittees and assist them in
processing their transactions, the Division of Water Resources is currently transitioning towards
electronic correspondence. This will hopefully provide more efficient service to our permittees and
other partners and will allow us to more effectively process and track documents. We are writing to ask
you for your approval of the transmittal of documents related to your permitting and related activities
with the Division in an electronic format. Documents will be emailed to the appropriate contact
person(s) in your organization in a PDF format.
Please respond to me through email with verification that transmittal of your documents in an
electronic manner is acceptable to you.
Please respond to this email confirming that you received the attached document(s), were able to open
and view the document(s) and have saved/printed a copy for your records.
If you have any questions, please feel free to contact me.
Sincerely,
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
https://outlook.office365.com/mail/inbox/id/AAQkADdhYTVmZDBILTESZDctNGI5MC04ZjliLWU4MjVhZTBhMmJkMgAQAMOMt%2B2CrPdBjVDjF%2B... 2/3

4/23/2021 Mail - Denard, Derek - Outlook
https://outlook.office365.com/mail/inbox/id/AAQkADdhYTVmZDBILTESZDctNGI5MC04ZjliLWU4MjVhZTBhMmJkMgAQAMOMt%2B2CrPdBjVDjF%2B... 3/3

4/23/2021 Mail - Denard, Derek - Outlook
Re: Issuance of NPDES Permit NC0O84549 - Franklin WTP
Denard, Derek <[e-mail]>
Fri 4/23/2021 3:56 PM
To: Weaver, Charles <[e-mail]>
Charles,
QA/QC looks good.
Derek
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Weaver, Charles <[e-mail]>
Sent: Friday, February 12, 2021 7:58 AM
To: Denard, Derek <[e-mail]>
Subject: RE: Issuance of NPDES Permit NC0084549 - Franklin WTP
The permit has been issued in BIMS. You can QA/QC at your discretion.
CHW
From: Denard, Derek <[e-mail]>
Sent: Thursday, February 11, 2021 3:05 PM
To: Weaver, Charles <[e-mail]>
Subject: Re: Issuance of NPDES Permit NC0084549 - Franklin WTP
I entered it. Completely slipped my mind.
Thanks
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 1/3

4/23/2021 Mail - Denard, Derek - Outlook
Derek
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
From: Weaver, Charles <[e-mail]>
Sent: Thursday, February 11, 2021 9:57 AM
To: Denard, Derek <derek.denardjncdenr.gov>
Subject: RE: Issuance of NPDES Permit NC0084549 - Franklin WTP
I need the Permit Drafting Initiated and Public Notice dates in order to issue this in BIMS.
CHW
From: Denard, Derek <[e-mail]>
Sent: Wednesday, February 10, 2021 3:48 PM
To: Jarrell, Jackie <JJarrellici.charlotte.nc.us>; Huber, John <jhuberPci.charlotte.nc.us>; Banick, Dave
<[e-mail]>; Huber, John <[e-mail]>
Cc: Basinger, Corey <corey.basingerPncdenr.gov>; Bell, Wes <wes.belincdenr.gov>; Thomas, Zachary T
<[e-mail]>; Moore, Cindy <[e-mail]>; Farmer, Richard L
<[e-mail]>; Weaver, Charles <[e-mail]>
Subject: Issuance of NPDES Permit NC0084549 - Franklin WTP
Dear Ms. Jarrell:
In order to provide more convenience, control, and security to our permittees and assist them in
processing their transactions, the Division of Water Resources is currently transitioning towards
electronic correspondence. This will hopefully provide more efficient service to our permittees and
other partners and will allow us to more effectively process and track documents. We are writing to ask
you for your approval of the transmittal of documents related to your permitting and related activities
with the Division in an electronic format. Documents will be emailed to the appropriate contact
person(s) in your organization in a PDF format.
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 2/3

4/23/2021 Mail - Denard, Derek - Outlook
Please respond to me through email with verification that transmittal of your documents in an
electronic manner is acceptable to you.
Please respond to this email confirming that you received the attached document(s), were able to open
and view the document(s) and have saved/printed a copy for your records.
If you have any questions, please feel free to contact me.
Sincerely,
Derek Denard
Environmental Specialist
N.C. Division of Water Resources
N.C. Department of Environmental Quality
919 707 3618 office
919 707 9000 main DWR
[e-mail]
1617 Mail Service Center
Raleigh, NC 27699-1617
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
https://outlook.office365.com/mail/AAMkADdhYTVmZDBILTESZDctNG15MC04Zj1iLWU4MjVhZTBhMmJkMgAuAAAAAADg3GZR8iZnTYW56121 cjmNA... 3/3