NC0088617_Permit (Modification)_20080311

NPDES DOCUMENT SCANNING COVER SHEET
NPDES Permit: NC0088617
Snow Hill WTP
Document Type: Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Correspondence
201 Facilities Plan
Instream Assessment (6713)
Environmental Assessment (EA)
Permit
History
Document Date: March 11, 2008
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0F WATF� Michael F. Easley, Governor
err p - State of North Carolina
William G. Ross, Jr., Secretary
co Department of Environment and Natural Resources
Coleen Sullins, Director
O Division of Water Quality
March 11,2008
Mr. Gary Mosely
Aqua North Carolina, Inc.
4163 Sinclair Street
Denver,North Carolina 28037
Subject:NPDES Minor Modification
NCO088617
Snow Hill Subdivision Well 41
Surry County
Dear Mr. Mosely:
The subject individual NPDES permit issued on January 15,2008 has been modified due to a typographical
error. Please find attached the modified sections of this permit,and replace the old page with the modified
page. This permit modification is issued pursuant to the requirements of North Carolina General Statute 143-
215.1 and the Memorandum of Agreement between North Carolina and the U.S. Environmental Protection
Agency dated December 6. 1983 (and as subsequently amended).
The following permit modifications are authorized by this letter:
• The total residual chlorine limit shall take effect in 18 months tb allow:time-for the construction of
dechlorination facilities. -
If any parts, measurement frequencies or sampling requirements contained in this permit modification are
unacceptable to you,you have the right to an adjudicatory hearing upon written request within thirty (30)days
following receipt of this letter. This request must be in the form of a written petition,conforming to Chapter
150B of the North Carolina General Statutes,and filed with the office of Administrative Hearings,Post Office
Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such a demand is made, this permit shall be final
and binding.
Please take notice that this permit is not transferable. Part 1I, E.4.addresses the requirements to be followed in
case of change in ownership or control of this discharge.
This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Water Quality or permits required by the Division of Land Resources, Coastal Area Management
Act, or any other Federal or Local governmental permits may be required.
If you have any questions or need additional information, please contact Toya Fields, telephone number (919)
733-5083, extension 551.
Sincerely,
CA
(VNCoteen Sullins
cc: NPDES file
Mooresville Regional Office, Surface Water Protection
Central Files
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone[phone] FAX[phone] NonhCarol ina
512 N. Salisbury Street, Raleigh, North Carolina 27604 On the Internet at http://h2o.enr.state.nc.us/ �11lIt!!r!1!!!f
An Equal Opponui-410lrmative Action Employer

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Permit #NC0088617
A (1). EFFLUENT LIMITATIONS.AND MONITORING REQUIREMENTS
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is
authorized to discharge from outfall(s) serial number 001. Such discharges shall be limited and monitored by the
Permittee as specified below:
LIMITS MONITORING REQUIREMENTS
EFFLUENT
CHARACTERISTICS Monthly Weekl Dail Measurement Sample .
y y Sample Type
.Average Average Maximum , Frequency ' Locatibn
Flow 0.0026 MGD Instantaneous! E
Total Suspended Solids 30 mg/L 45 mg/L 2/Month Grab E
Total Residual Chlorinez 17 pg/L 2/Month Grab E
Total Iron Monthly Grab E
Total Manganese Monthly Grab E
pH Between 6.0 and 9.0 s.0 Monthly Grab E, U, D
Temperature Monthly Grab E,U, D
Salinity Monthly Grab E,U, D
Conductivity_„ ,;- „ Monthly Grab E, U, D = •--
Dissolved Oxygen Monthly Grab E, U, D
Total Dissolved Solids Monthly Grab E
'Total Copper Monthly Grab E
otal Chloride Monthly Grab E
otal Lead Monthly Grab E
Ammonia Nitrogen Monthly Grab E
Fluoride Monthly Grab E
Whole Effluent Toxicity Quarterly =GrabE
Monitor n
Notes:
1. For instantaneous flow monitoring, the duration of the discharge must be reported in addition to the total
flow.
2. The TRC limit shall apply only if the permittee backwashes with chlorinated water. The limit and
monitoring requirements will take effect September 1,2009.
3. WET testing to be performed during the months of March,June,September and December. See Section
A(2) for further details.
All samples collected should be of a representative discharge.
There shall be no discharge of floating solids or�foarrmvisible in other than trace amounts.
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