NC0026611_Technical Correction_20071207

OF W"7*
y Michael F.Easley
> Governor
Wi G.Rossi Jr.
North Carolina Department of Environment and Natural,'Secretary
Resources
Coleen H.Sullins,Director
Division of Water Quality
December 7, 2007
Mr. Stephen C. Hamilton
Town of Morehead City
706 Arendell St.
Morehead City, North Carolina 28557
Subject: Correction of NPDES Permit
Permit no. NC0026611
Morehead City WWTp
Carteret County
Dear Mr. Hamilton:
The Division issued a correction to your e
With the corrected Effluent Limitations permit on November 3e 2007 and included a page
Inadvertently we omitted the correctedpageand
Monitoring thtq
this letter, please replace in your permit. Requirements for the flow of 1.7 MGD.
the flow of 2.5 MGD. This page is enclosed with
If you have any questions concerning this e
Alt' please contact Teresa Rodriguez at telephone
number [phone], extension 553. p
Sincerely,
IV�k-/ `
4c: Coleen H. Sullins
Cc: NPDES Files
Central Files
U.S. EPA Region 4
Wilmington Regional Office
Aquatic Toxicology Unit
PERCS Unit
North Carolina Division of Water Quality NonehCatolina
Intemet: h2o.enr.state.nc.us y 1617 Mail Service Center Raleigh,NC 27699-1617 1`��►''ZturW&
512 N.Salisbury St. Phone[phone] Raleigh,NC 27604 FAX [phone] Customer Service
An Equal Opportunity/Affirmative Action Employer-50%Recycled/10%Post Consumer Paper 1 877 623-6748

A• (2) EFFLUENT LIMITATIONS Permit No. NC0026611
Beginning upon expansion above 1.7 MGDD MONITORING REQUIREMENTS
authorized to discharge treated wastewater from and lasting
monitored by the Permittee as specified below: Outfall 001. Suchld schargeosnshall be m e ee d
d and
PARAMETER EFFLUENT LIMITATIONS
MONITORING REQUIREMENTS
Monthly Weekly Daily Measurement
Average Average Maximum Frequency Sample Type p
Flow(MGD) Sample
2.5 Location 1
BODs(Summer)2.3 5.0 m m Continuous
g/L 7.5 g/L Recording I or E
BODs (Winter)z�3 10.0 m DIY Composite
Total Suspended Sohdsz g/L 15.0 mg/I I,E
10.0 m Day
NH3 as N(Summer),3 g/L 15.0 mg/L Composite I,E
1.0 mg/I Daily Composite I E
3.0 mg/L
NH3 as N(Winter)3 2.0 mg/L 3/Week Composite
Dissolved Oxygen 6.0 mg/L E
Daily average not less than 6.0 3/Week Composite
Fecal Coliform mg/L E
Total Residual Chlorine4
14/100 ml 28/100 ml Daily Grab Daly Grab
E
Enterococci (geometric mean 13 µg/L E
35/100 ml 276/100 ml Daily Grab
Temperature E
3/Week Grab
Total Nitrogens Grab E
ru
Total Phosphoss 41,8561b/yr Daily G E
7,610lb/yr Weekly Composite
PH Weekly E
Between 6.8 and 8.5 Standard Units y Composite E
Total Cyanide��� Daily
Grab E
Total Mercury Quarterly Composite E
Total Copper Quarterly
Grab E
Total Zinc 2/Month
Composite E
Acute Toxicity$ 2/Month
Composite E
Footnotes-— t Quarterly C E
I• I:Influent. E:Effluent. See condition A. 3 t for instre
2• The monthly average BODs and Total Suspended olidslconc concentrations
respective influent value (85%removal). am monitoring requirements.
3. Summer shall be defined as April — s shall not exceed 15% of the
4. See Condition A.(4.) P October 31 with winter defined as the balance of the year.
5. Total nitrogen and total
Phosphorus limits will become effective one year after the expansion to 2.5 m
becomes effective.
6• The Division shall consider all gd
Purposes.However,Discharge Monitoring Repo values ported below 10
Carolina-certified laboratory(even if these values fall below s µg/l all
al "zero" for compliance
(DMRs) shall record all values reported by a North
7• Effluent monitoring may be deleted in the future upon
Permittee provides updated effluent data (at least 12 data points) that shows no re
P written notification of the Division, if the
exceed applicable state water quality standards.8• Acute Toxicityreasonable potential to
(IVlysidopsis Bahia) P/F,February,May,August and November;sees special c
(5•) to this permit.
P condition A.
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