NC0065749_NOV Response_20180615

CHARLOTTE RECEIVED/NCDENROWR
W(� )TER JuN R o zoos
MOORESVILLE REGIONAL OFFICE
June 15, 2018
NC Division of Water Resources
Mooresville Regional Office
610 East Center Avenue Suite 301
Mooresville, NC 28115
Re: Charlotte Water Response to NOV-2018-LV-0386 Daily Maximum and Monthly Average
Ammonia Limit Exceedance
NPDES Permit #NC0065749
Ashe Plantation WWTP, Mecklenburg County
Mr. Basinger,
Please let this letter serve as Charlotte Water's (CLTWater) formal response to the Notice of Violation and
Intent to Assess Civil Penalty (NOV), issued on June 4, 2018, and received by CLTWater on June 7,
2018. The NOV relates to the exceedance of CLTWater's daily maximum and monthly average ammonia
limits that occurred in January 2018. CLTWater acknowledges that as a result of the abnormally cold
temperatures this facility was unable to maintain compliance the week of January 7, 2018.
CLTWater purchased the Ashe Plantation WWTP from Aqua Carolina in February 2016 and immediately
began to make improvements to this facility. Some of the improvements made since its purchase by
CLTWater include: replacement of pumps and blowers for reliability and redundancy, the addition of a
new chemical feed system to stabilize pH and alkalinity, welding and plating of sidewalls to fix and
prevent leaks, the addition of steel bracing to enhance structural integrity, the addition of an influent flow
meter, the replacement of the effluent flow meter to improve accuracy, and the replacement of UV bulbs,
ballasts, and boards to enhance UV disinfection of the effluent. CLTWater also invested in maintaining
onsite frac tanks to mitigate any unforeseen operational challenges that may occur. Since the purchase
of this facility until the ammonia exceedances in January 2018, CLTWater spent in excess of $125,000.
This has improved the treatment plant and is safeguarding the critical habitat of Duck Creek.
Ashe Plantation is an older steel package plant that sits above ground, making it more susceptible to
extreme temperature fluctuations. Package plants that are made from concrete and/or are installed
mostly below ground are buffered from extreme temperature changes. CLTWater's operational staff
recognized that the extremely cold temperatures for the Week of January 7'h could potentially have an
impact on the biology of the plant. In anticipation of the severe weather, CLTWater made the decision to
bring five truckloads of mixed liquor from the Crooked Creek plant in an effort to bolster the nitrification
process. The first truckload came on January 3rd, with additional loads coming on January 5`h, January
9th, and January 10'h. CLTWater staff logged extra hours closely monitoring the changing conditions at
the plant. Despite CLTWater's best efforts to keep this facility operating optimally Ashe Plantation still
exceeded its effluent ammonia limitations.
After receiving our ammonia results for the week of January 7`h, CLTWater decided to make additional
improvements to the plant to protect against future cold weather events. CLTWater built a frame around
Charlotte Water 5100 Brookshire Blvd, Charlotte, NC 28216 charlottewater.org
Operated by the City of Charlotte

the entire plant and installed thermal blankets for insulation on the sidewalls. CLTWater spent $7,396.11
reseeding the plant and installing the thermal blankets. Please see the attached copies of these receipts.
CLTWater is currently planning to replace the existing Ashe Plantation facility with a new package plant.
This project will cost CLTWater $2.3 million and is currently at 95% design. CLTWater recently received
an ATC approval from the NCDWR. Construction is set to begin in the fall of 2018 and the new plant is
expected to be complete and operational in July 2019. CLTWater considers this project to be an
investment in our community, but also a significant step toward protecting the environment.
In summary, CLTWater responded proactively to minimize the impact of impending severe weather,
undertaking all reasonable efforts to prevent effluent limitation exceedances. After laboratory
confirmation that these measures fell short of our expectations, CLTWater decided to voluntarily modify
the treatment plant with thermal blankets to prevent possible future exceedances. CLTWater has also
committed to building a new treatment plant at a cost of $2.3 million. CLTWater respectfully requests that
NCDWR give consideration to all that CLTWater has done and plans to do to improve the existing facility
and protect the environment.
CLTWater takes environmental compliance very seriously and we appreciate the opportunity to provide
additional information related to this event. If you have any questions concerning the information
contained in this response, or if you need any additional information, please feel free to contact our Water
Quality Program Administrator, Shannon Sypolt, at 704-336-4581, or me at 704-336-5433.
Respectfully,
I
�� �1:quelineAJarrel1,.E.
erations Chief, Environmental Management Division
Charlotte Water
Cc: J.
Lockler (CLTWater)
S.
Sypolt (CLTWater)
J.
Nance (CLTWater)
R.
Hargrove (CLTWater)
W.
Bell (NCDWR)
Charlotte Water 5100 Brookshire Blvd, Charlotte, NC 28216 charlottewater.org
A Operated by the City of Charlotte

Stevens Septic Services
3317 New Salem Road
Monroe, NC 28110
[phone] - Office
888-661-6377 - Fax
steven st ruck i n (gaol. com
Bill To City of Charlotte
Information: P.O. Box 37979
Charlotte, NC 28237-7979
Vendor Number: 302342
Requistion Number: 35183
Purchase Order # :
17023958
Contract #: 2017000994
Customer Billing
Email Information: cocaaaacharlottenc.00v
CC: idnance(fti.charlotte.nc.us.
CC: Latoya.Lindesav(cDci.charlotte.nc.us
Invoice #:
Date:
INVOICE
COC -AO - 3084
01/03/18
Ship
To: McAlpine WWTP
12701 Lancaster Hwy,
Pineville NC 28134
Term: Net 30
aacustsys(a)charlottenc.aov (Past Due Invoices)
Qty:
Description
Unit Price
Total.
Sludge Hauling for Ashe Plantation & Oxford Glen WWTP (3500 Tank Truck)
1
Took One Load from Crooked Creek to Ashe Plantation
$ 227.50
$ 227.50
for Re -Seeding (01-03-2018)
Total Amount Due:
$ 227.50
THANK YOU FOR YOUR BUSINESS

Stevens Septic Services
3317 New Salem Road
Monroe, NC 28110
[phone] - Office
888 -661 -6377 -Fax
stevenstrucki nCo)aol.com
Bill To City of Charlotte
Information: P.O. Box 37979
Charlotte, NC 28237-7979
Vendor Number: 302342
Requistion Number: 35183
Purchase Order # :
17023958
Contract #: 2017000994
Customer Billing
Email Information: cocap aC)charlottenc.ciov
CC: idnanceCaki.charlotte.nc.us.
CC: Latoya.LindesavCcDci.charlotte.nc.us
Invoice #:
Date:
INVOICE
COC -AO - 3085
01/05/18
Ship
To: McAlpine WWTP
12701 Lancaster Hwy,
Pineville NC 28134
Term: Net 30
aocustsys ancharlottenc.aov (Past Due Invoices)
Qty:
Description
Unit Price
Total
Sludge Hauling for Ashe Plantation & Oxford Glen WWTP (3500 Tank Truck)
2
Took One Load from Crooked Creek to Ashe Plantation
$ 227.50
$ 455.00
for Re -Seeding (01-05-2018)
Total Amount Due:
$ 455.00
THANK YOU FOR YOUR BUSINESS

Stevens Septic Services
3317 New Salem Road
Monroe, NC 28110
[phone] - Office
888-661-6377 - Fax
steven st rucki n aaol. corn
Bill To City of Charlotte
Information: P.O. Box 37979
Charlotte, NC 28237-7979
Vendor Number: 302342
Requistion Number: 35183
Purchase Order # : 17023958
Contract #: 2017000994
Customer Billing
Email Information: cocaocDcharlottenc.00v
CC: idnancet7a ci.charlotte.no.us.
CC: Latoya.Lindesayna.ci.charlotte.nc.us
Invoice #:
Date:
INVOICE
COC -AO - 3087
01/09/18
Ship
To: McAlpine WWTP
12701 Lancaster Hwy.
Pineville NC 28134
Term: Net 30
ann ictcvsnrhnrinftanr nnv RD.& n.,. Invni...N
Qty:
Description
Unit Price
Total
Sludge Hauling for Ashe Plantation & Oxford Glen WWTP (3500 Tank Truck)
1
Took One Load from Crooked Creek to Ashe Plantation
$ 227.50
$ 227.50
for Re -Seeding (01-09-2018)
Total Amount Due:
$ 227.50
THANK YOU FOR YOUR BUSINESS

Stevens Septic Services
3317 New Salem Road
Monroe, NC 28110
[phone] - Office
888 -661 -6377 -Fax
st eve n st ru c k i n (cDa o I. co m
Bill To City of Charlotte
Information: P.O. Box 37979
Vendor Number:
Requistion Number:
Purchase Order # :
Contract #:
Customer Billing
Charlotte, NC 28237-7979
302342
35183
17023958
2017000994
Email Information: cocao okharlottenc.gov
CC: Id nance(a).ci. charlotte. nc. us.
CC: Latoya. Lindesay(cDci.charlotte.nc.us
Invoice #:
Date:
INVOICE
COC -AO - 3088
01/10/18
Ship
To: McAlpine WWTP
12701 Lancaster Hwy.
Pineville NC 28134
Term: Net 30
ancustsys(a)charlottenr.. aov (Pact Nip. Invnices)
_Qty:
Description
Unit Price
Total
Sludge Hauling for Ashe Plantation & Oxford Glen WWTP (3500 Tank Truck)
1
Took One Load from Crooked Creek to Ashe Plantation
$ 227.50
$ 227.50
for Re -Seeding (01-10-2018)
Total Amount Due:
$ 227.50
THANK YOU FOR YOUR BUSINESS

HD SUPPLY WHITE CAP 92
508 WOLFBERRY ST
CHARLOTTE, NC 28206
01;08;2018 09:2028
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Approval Code: 035904
Entry Method: Chip Read
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CITY OF CHARLOTTE
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Printed By : YajairaC
Printed Date : 01/082018 09:21 AM EASTERN
RECEIPT
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Ship To: YARD/CITY OF
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4411 NORTHPOINT IND BLVD
CHARLOTTE, NC, 28216-6306
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AMOUNT PND BY 4528 $1118.37
Shipped amount
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Order charges
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CARDbt Eh413ER ACKNOWLEDGES RECEIPT OF GOODS AND/OR
Tar amount
$75.6600
SERVICES INTHE AMOUNT OFTHE TOTAL SHOW HEREON
Lumber Tax rate/amount 1.00%
$0.00
AND AGREES TO PERFORM THE OBLIGATIONS SET FORTH
BY TI -IF. CARDMEMBER'S AGREEMENT WITH ISSUER.
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CONSTRUCTION & INDUSTRIAL
WHITE CAP
219 - Charlotte Downtown (4021)
444 V✓ollberry Street
Charlotte, NC, 28206
[phone]
Sold To: 111113000
CITY OF CHARLOTTE
A/P -STREET MAINT DIV,
CHARLOTTE, NC, 28237
704-336-5133
Printed By : Heather W
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4411 N'ORTHPOINT IND BLVD
CHARLOTTE, NC, 28216-6306
Job Site Contact:
Job Site Phone:
Map #:
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Shipped amount - $224,00
Order charges $0.00
Tax amount $16.24
Lumber Tax rate/amount 1.00% $0.00
Order total $240.24
Deposit/funds tendered $0.00
Balance due $240.24
REPORT DISCREPANCIES WITHIN 24 HRS.
IF YOU DIDN'T RECEIVETHE SERVICE YOU EXPECTED CALL SCOTT RIGGS [phone]
NO REFUNDS OR EXCHANGES ON NON STOCK MERCHANDISE
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SHIPPED WEIGHT: 36.00 LBS PULLED BY: CHECKED BY: LOADED BY:
WARNING: 'These products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Download any needed Safety Data Sheets (SDS) online today at sds.hdsupply.com
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CHARLOTTE, NC 28237-7979
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Fiscal Year 2018 Page 1 of 1
THIS NUMBER MUST APPEAR ON ALL INVOICES, -
PACKAGES AND SHIPPING PAPERS.
Purch
Order # e18016863
All invoices must be mailed to
[e-mail]
SCrooked Creek WWTP
H 4015 Sardis Church Road
P
IMonroe, NC 28110
T
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Vendor Phone Number
Vendor Fax Number
Requisition Number
Buyer
'Delivery Reference
704-718-3937
24972 1
dkpadgett
Mitch Frederick
Date Ordered
Vendor Number Date Required
Freight Method/Terms
DepartmentiLocation
01/17/2018
303200 1
CLTW Environmental Services
Line#_
Description/PartNo..
Qty . ,
UOM
Unit.Price
Extended Price
Installation of Concrete Blank
1
Installation of Concrete Blanket and wooden structure for
1.0
EACH
$4,900.000
$4,900.00
Basin Maintenance to help keep in temperature
Purchase order # must be referenced on all invoices.
Please contact Mitch Frederick with questions. Terms and
conditions of this PO supersede the terms and conditions
of BW Service Solutions.
This instrument has been preau ited in the manner required
by the Local Government Budget and Fiscal Connftgi Act
-.
3y By Lnd
Ctilef PMmn5inent Officer Ffnanoe Offic r
Total Ext. PI'Ice 4,900.00
14900.00
PO Total-

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