NC0065587_Permit (Modification)_20010202

NPDES DOCUMENT SCANNIMS COVER SHEET
NPDES Permit: NC0065587
Frye Bridge WWTP
Document Type: Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
201 Facilities Plan
Instream Assessment (67B)
Environmental Assessment (EA)
Permit
History
Document Date: February 2, 2001
This docaame xt is Priated oa reuse Paper-igaore aay
coateat oa the reve '*%e side

WAT
QF F9 Michael F. Easley
Governor
©� William G. Ross,Jr.,Secretary
r NCDENR North Carolina Department of Environment and Natural Resources
-T
O C Ken T. Stevens. Director
Division of Water Quality
February 2, 2001
Mr. city H. Tweed.
Heater Utilities, Inc.
P.O. Box 4889
Cary, North Carolina 27519
Subject: NPDES Permit Modification
Permit NCO065587
Frye Bridge W\X`TP
Forsyth County
Dear Mr. Tweed:
The Division has reviewed and approved your request to modify the subject permit. This permit modification
changes the sampling requirement for dissolved oxygen from composite to grab samples.
Please find enclosed the revised permit pages. The revised pages should be inserted into your permit. The old
pages may then be discarded. All other terms and conditions contained in the original permit remain unchanged and
in full effect. This permit modification is issued under the requirements of North Carolina General Statutes 143-
215.1 and the Memorandum of Agreement between North Carolina and the U.S. Environmental Protection Agency.
If any parts, measurement frequencies or sampling requirements contained in this permit modification are
unacceptable to you, you have the right to an adjudicator, hearing upon written request within thirty (30) days
following receipt of this letter. This request must be a written petition conforming to Chapter 150B of the North
Carolina General Statutes, filed with the Office of Administrative Hearings (6714 Mail Service Center, Raleigh;North
Carolina 27699-6714). Unless such demand is made, this decision shall be final and binding.
If you have any questions concerning this permit modification, please contact Charles Weaver at [phone],
extension 511.
Sincerely,
( Kerr T. Stevens
cc: Central Files
Winston-Salem Regional Office,Water Quality Section
Point Source Compliance Enforcement Unit
(NPDES'Unii'y
1617 Mail Service Center,Raleigh,North Carolina 27699-1617 Telephone[phone] FAX[phone]
An Equal Opportunity Affirmative Action Employer VISIT us oNTHE iNTERNE7 @ http://h2o.enr.state.nc.us/NPDES

_ Permit NC0065587
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS — FINAL
During the period beginning on the effective date of this permit and lasting until April 30, 2002, the
Permittee is authorized to discharge from outfall 001. Such discharges shall be limited and monitored by the
Permittee as specified below:
- EFFLUENT LIMITS MONITORING REQUIREMENTS
CHARACTERISTIC _ --- ._ -
Monthly Daily Measurement Sample Sample Locationi
Aver, a Maximum Frequency Type
Flow 0. 7 MGD Continuous Recorder Influent or Effluent
BOD,5-day(20°C) 30.0 m 45.0 mg/L Weekly Composite Effluent
Total Suspended Residue 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
NH3 as N Weekly Composite Effluent
Dissolved Oxygen2 Weekly Grab Effluent
Upstream&Downstream
Fecal Coliform 200/ 100 ml 400/ 100 ml Weekly Grab Effluent
(geometric mean) Upstream & Downstream
Total Residual Chlorine eek Composite Effluent
Temperature(2C) Dai Composite Effluent
Total Nitrogen Quarterly Composite Effluent
(NO2+NO3+TKN
Total Phosphorus Quarterly omposite Effluent
pHs Weekly G b Effluent
Footnotes:
1. Upstream = at least 100 feet upstream from the outfall. Downstream = at the NCSR 93 bridge.
2. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/
3. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Perniit NCO065587
A. (2.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS—FINAL
During the period beginning on May 1, 2002 and lasting until expiration, the Permittee is authorized to
discharge from outfall 001. Such discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT LIMITS MONITORING REQUIREMENTS
CHARACTERISTICS s
Monthly Daily Measurement "" Sample Sample Locationl
Average Maximum Fre uency Type
Flow 0.027 MGD Continuous Recorder Influent or Effluent
BOD,5-day(209C) 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
- .. Total Suspended Residue 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
NH3 as N(April 1 -October 31) 2.0 mg/L Weekly Composite Effluent
NH3 as N(November 1 -March 31) 4.0 mg/L Weekly Composite Effluent
Dissolved Oxygen2 Weekly Grab Effluent
U stream& Downstream
Fecal Coliform(geometric mean) 200/100 ml 400/100 ml Weekly Grab Effluent
Upstream&Downstream
Total Residual Chlorine 2/Week Composite Effluent
Temperature(9C)2 Daily Composite Effluent
Total Nitrogen (NO2+NO3+TKN) Quarterly Composite Effluent
Total Phosphorus Quarterly Composite Effluent
pH3 Weekly Grab Effluent
Footnotes:
1. Upstream = at least 100 feet upstream from the outfall. Downstream = at the NCSR 1493 bridge.
2. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L
3. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

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PLEASEQc.LivE? TNEFOLLC'NING,PAGES TO:
NAME: C haY4le5 1ti4g_ )=
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Cl T Y: R (ir k
PHONE: FAX: 7 3 3 0 1 g
F,'ONI TrE OFFICE OF iE.A T EP. UTILITIES, INC., CAP.Y, NORTH CA?CLIINA.:
NAM_: tic`L_. .il i 1,�O —
TOTAL NUMBER OF PAGES (INC LUOhj\IG CO`/ER SHEET):
DATE: TIME: 1 �M
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IF YOU 00 NOT RECEIVE ALL THE PAGES OF THIS FACSIMILE, PLEASE CALL AS SOON A5
FOSSIOLE- 919-467.785t.

.r JAN-08-2001 15:03 HEATER UTILITIES r13191A460 1788 JJP.02/03
A_ (2.) EFFLUENT LIMITATIONS AND MONITORING RF-QUIRF-MENTS—FINAL
During the period beginning on May 1,2002 and lasting until expiration,the Permit=is authorized to
discharge from outfall 001. Such discharges shalt be limited and monitored by the Permittee as specified below:
73FFLUENT LIMITS : '..MONITORING REQUIREM NrS::
CHARACTERISTICS
,..Monthly Dopy.' Measurement ' Sample 5aix431e Locadont
Ayei e Maxirrium .. Eie urn
Flow 0.027 MGO Continuous Recorder Influent or Effluer t ,
00D,&day(209C) 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
Total Suspended Residue 30.0 mg/L 45.0 m91L Weekly Composite Effluent
NH3 as N(April 1 —October 31) 20 mglL Weekly Composite Effluent
NH3 as N (November 1—March 31) 4,0 mg/L Weekly Go m to Effluent
Dissolved Oxygen Weekly Composite Effluent
upstream&Downstream
Fecal Coliform(geometric mean) 200 1100 mI 400/too ml Weekly Effluent
Upstream&Downstream
Total Residual Chlorine 21Week Composite Effluent
Temperature rq 2 Daily Composite Effluent
Total Nitrogen(NOz+NOs+TKN) Quarterly Composite Effluent
Total Phosphorus Quarterly Composite Effluent
pH3 Weekly Grab Effluent
F�rLnotcs: ,
1. Upstrea.-n = at least 100 feet upsrrcarn from the ootfall. Downstream = at the NCSR 1493 bridge.
2. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L
3. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
There shall be no discharge of floating solids or visible foam in other than trace amounts-
j

� . JAN—OE-2001 15:04 HEATER UTILITIES 919 460 1788 P.03iO3
Petzttit NCO065587
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS —FINAL
During the period beginning on the effective date of this permit and lasting until April 30,2002, the
Permirtee is authorized to discharge from outfall 001- Such discharges shall be limited and monitored by the
Fermittee as specified below:
EFFLUENT A LIMITS MONITOR '4C REOUIREMENTS
CIL&RACTERISTICS .
l ai;
Mpnth[x Daily Measurement sample _ SaplcLpcatiynt
-Average " . :Maximum Ere-'envy T e .
Flow 0,027 MGD Continuous Recorder Influent or Effluent
BOO,5-day(20C) 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
Total Suspended Residue 30-0 mg/L 45.0 mg/L Weekly COMDO5ffe Effluent
NH3 as N Weekly Composite Effluent
Dissolved Oxygenz Weekly Effluent
Composite
Upstream
8 Downstream
Fecal Coliform 200/100 ml 400!100ml Weedy Grab Effluent
( eome=mean) Upstream&Downstream
Total Res,dual Chlorine 2tweek Composite Effluent
Temperature !C) Daily Composite Effluent
Total Nitrogen Quarterly Composite Effluent
(NO2+NO3+TKN
Total Phosphorus Quarterly Composite Effluent
LpH3 Weeky Grab Effluent
Footnotes:
1. Upstream = at least 100 feet upstream from the outfall. Downstream = at the NCSR 1493 bridge.
2. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L
3- The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
There shall be no discharge of floating solids or visiblefoam in other than trace amounts. i
TOTAL P.03