NC0020737_Technical correction_19990309

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
A. Preston Howard, Jr., P.E., Director
Mr. Walter C. 011is
Water Resources Director
City of Kings Mountain
Post Office Box 429
Kings Mountain, North Carolina 28086
Dear Mr. 011is:
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NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
March 9, 1999
Subject: NPDES Permit Modification
Permit No. NCO020737
Pilot Creek W WTP
Cleveland County
The Division has noted a typographical error on the Effluent Limitations and Monitoring Requirements page
A(1). of your permit. The sample type for BOD5 monitoring during the period April 1 — October 31 should be a
composite sample instead of a grab sample. The Division is hereby modifying your permit to include the correct
sample type.
Please find enclosed the amended monitoring requirements page A(1)., which should be inserted into your permit.
The old monitoring requirements page A(1). should be discarded. All other terms and conditions contained in the
original permit remain unchanged and in full effect. 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.
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 demand is made, this decision shall be final
and binding.
If you have any questions regarding these modifications to your permit, please contact Bethany Bolt at (919) 733-
5083, extension 551.
Sincerely,
�,{
Preston Howard, Jr., P.E.
cc: Mooresville Regional Office/Water Quality Section
NPDES Unit
Central Files
Point Source Compliance Enforcement Unit
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

A.(1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL .."Permit No, NCO020737
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall serial number 001. Such
discharges shall be limited and monitored by the Permittee as specified below:;,>; ;
EF f . 5 ^ .„,;y,,:,•�?���.r� isy..`.",.,..t 1: i�.i
1i• •o t ..i i: ,. ' �il �= tiM'x '=�. i+' t 1x1l,,.,i,,'t;i ,j, Y h},_'Ff ,
foInstantaneous(
ee !
'Avera:tiAverages, on ya Y.axm
��u ' ,• _
MONITORING
easuremen 14
Frequen
REQUIREMENTS
�app ,sample
fTYPe4rill
• .:♦
.,:
Locationl
al
ns an aneous (
•or
BOD, 5-day, 20 c (April 1 — October 31) 2
28.0 m9
m9
Daily
Composi a
BOD, 6-day, 200C (November 1— March 31) z30.0
m9
m9
Daily
composite J .
E.
Total Suspended Residue
30.0 mg
mg
Daily
composite
,
3-(April — October
mg
Daily
Composite
3- (November 1 — March 31)
Daily
omposl Fe
Dissolved xy en4
Daily
Grab
I --
Fecal Coliformigeometric mean
ml
400/100ml
Daty
Grab
Total eat ua orine
at y
GraB
Temperature, °C
Daily
Grab
H 5
Daily
Grab
t--
Total Nitrogen + NO3 +
Quarterly
om ost e
Total os orus
Quarterly
Compo—slfe—
Chronic Toxicity
ua e y
Composite
Cadmium
6. 1 a pgWee
I
Composite
Lead
g
ee
om os e
Mercury
pg
monthly
omposl e
,
Cyanide
on
Graff-
rom um
Month
Composite
Nickel
on
om osi e
tnc
Z/M—onlh
com ost e
-mlort a
on
om osite
uort a
211VIont
Composite
Topper
onIF—
Composite
F-
Dissolved Oxygen
31VVeek
Grab,
Tem erature, °C
3Meek
Grab,
Fecalo t orm eome nc mean
ee
Grab
U.
on uc tvt y
3NVeek
Grab
Notes:
T— 3atuple Locations: E - Effluent, I - Influent; U — Upstream 100 yards above the outtiill, l) — Uowuslrenm ul NCSR 1103
• Upstream and downstream samples shall be grab suniples. Strcam samples shall be taken lhrcc limes per week during the months ofJunc, July, August, and September and once per week
during die remaining mondis of the year.
2 11te monthly average effluent ©ODS concentration shall not exceed 15%of lie respective influent value (85%removal). �+
3 The monthly average effluent Total Suspended Residue concentration shall not exceed 30% of the respective influent value (70% removal).
The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L.
s The pH shall not be less than 6.0 standard units nor greater than 9.0standard units.
6 Chronic Toxicity (Ceriodaphnia) P/F at 33.0%; January, April, July, and October; See Special Condition A.(2). : �s
The detection limit for mercury is 0.2 µg/l. If die measured levels of mercury are below the detection limit, then the measurement is considered to be zero for purposes of compliance evaluation and
should be reported on die DMK as < 0.2 µg/i.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

A.(1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL
Permit No. NCO020737
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall serial number 001. Such
discharges shall be limited and monitored by the Permittee as specified below:
,.. �:y`< �K`xil.i. t..sJ: Y x: .-Y.s �., >. Yr5�'[���_t fY. it} t... 1Yes. _
^ IMITS,-
MONITORING
REQUIREMENTS,
-monthly-
.t� cif • e'.°
Verag
e�.•
Average\M
a Y
lfi!i .•I Ca{�.x , m. u. m, ,
easu
r. remen -.�. • ?WO•,:
requency��'F.
,!Y!w—i - Tpe •w.,.cAt
em
Sample ,.
-Location 1- y
ow --Daily
ns an neous
-or
BOD, 5-day, 20 c (April 1 — October 31) s
28.0 mg
mg
Daily
Composite
,
BOD, 5—day, 200C November 1 — March 31) z
30.0 mg
m
Daily
­-Co—mposite
t.
Total Suspended Resi ue
mg
m
Daily
Composite
,
3-(April — October
mg7E
Daily
Composite
3• (November 1 — March 31)
—175"lly
Compo—Fre—
Dissolved Oxygen 4
Daily
Grab
eca o orm (geometric mean
m
m
Daily
Grab
Total est ua onne
28 p
Daily
Grab
Temperature, °C
Daily
Grab
pH 0
Daily
Grab
Total ro en + NO3 +
Quarterly
om osi e
7o-FaFMospnorus
Quarterly
Compositu—
Chronic Toxicity
ua e y
Composite
Cadmium
6.10 pgWee
ly
C omposl e
Lead
g
Weekly
Composite
Mercu
U.U4 Ng
Monthly
Composite
yarn a
2/Month
Grab
chromium
21Month
om osl e
Nickel
ontF—
Composite
inc
2/Month
Gom osie
one
2/Month
Composite
Fluoride
on
composite
opper
21Month
Composite
Dissolved Oxygen
3/We-ek
GrabU.
°C
ee
,
Feceraure,
o l orm eome rlc mean
k
ee
a
,vity
3/WeeK
Grab,
Notes:
TSample Locations: E - Effluent, I - influent; U — Upstream 100 yards above the outfull, D — Downstream at NCSIt 1103
• Upstream and downstream samples shall be grab samples. Stream samples shall be taken three times per week during the months of June, July, August, and September and once per week
during the remaining months of the year.
2 The monthly average effluent GODS concentration shall not exceed 15% of die respective influent value (85% removal).
3 The monthly average effluent Total Suspended Residue concentration shall not exceed 30% of the respective influent value (70% removal).
4 The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L.
S The pH shall not be less than 6.0 standard units nor greater than 9.0standard units.
6 Chronic Toxicity (Ceriodaphnia) P/F at 33.0%; January, April, July, and October; See Special Condition A.(2).
7 The detection limit for mercury is 0.2 µg/l. If the measured levels of mercury are below the detection limit, then the measurement is considered to be zero for purposes of compliance evaluation and
should be reported on the DMR as < 0.2 µg/I.
There shall be no discharge of floating solids or visible foam in other than trace amounts.