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Home My WebLink AboutNC0056618_technical correction_20050728�0 NArF9p Michael F. Easley, Governor \O G William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources O � Alan W. Klimek, P.E. Director Division of Water Quality July 28, 2005 Mr. Jim Highley Carolina Water Service Inc. P.O. Box 2409084 Charlotte, North Carolina 28224 Subject: Permit Correction NPDES Permit No. NCO056618 Carolina Pine Estates WWTP Craven County Dear Mr. Highley: The permit for the Carolina Pine Estates WWTP that was issued on November 3, 2003 contained an error in the effluent and monitoring requirements for the flow of 0.5 MGD. The total nitrogen load was inadvertently omitted from this page. The total nitrogen load corresponding to a flow of 0.5 MGD is 5,632 lbs/year. The effluent page for 0.5 MGD is included with the correction, please replace this page in your permit. If any parts, measurement frequencies or sampling requirements contained in this permit 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 (6714 Mail Service Center, Raleigh, North Carolina 27699- 6714). Unless such demand is made, this decision shall be final and binding. Please note that this permit is not transferable except after notice to the Division. The Division may require modification or revocation and reissuance of the permit. 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, the Coastal Area Management Act or any other Federal or Local governmental permit that may be required. If you have any questions concerning this permit, please contact Teresa Rodriguez at telephone number (919) 733-5083, extension 553. Sincerely, Alan W. HIimee ,," P.E. -for cc: Central Files Washington Regional Office NPDES Program Files North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-5083 Internet h2o.enr.state.nc.us 512 N. Salisbury St. Raleigh, NC 27604 FAX (919) 733-0719 An Equal Opportunity/Affirmative Action Employer— 50% Recycled110% Post Consumer Paper Ng Carolina Ntura!!y Customer Service 1-877-623-6748 Permit NCO056618 A. (2) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (0.5 MGD) During the period beginning upon expansion to 0.50 MGD 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 CHARACTERISTICS LIMITS MONITORING REQUIREMENTS Monthly Average Daily Maximum Measurement Frequency Sample Type Sample Location Flow 0.5 MGD Weekly Instantaneous Influent or Effluent Total Monthly Flow Monitor & Report Monthly Calculated Influent or Effluent BOD, 5-day (20°C) (April 1 - October 31 5.0 mg/L 7.5 mg/L Weekly Composite Effluent BOD, 5-day (20°C) November 1 - March 31 10.0 mg/L 15.0 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 10.0 mg/L Weekly Composite Effluent NH3 as N November 1 - March 31 4.0 mg/L 20.0 mg/L Weekly Composite Effluent Dissolved Oxygen' Weekly Grab Effluent -;=•eeel-6e#€er a-k*�cocc; (geometric mean ml 3Shouo M L I 274hoo Weekly L Grab Effluent Total Residual Chlorine 13 pg/L 2/Week Grab Effluent Temperature (°C) Daily Grab Effluent TKN Monitor & Report (mg/L) Weekly Composite Effluent NO2-N + NO3-N Monitor & Report (mg/L) Weekly Composite Effluent TN2 Monitor & Report (mg/L) Monthly Composite Effluent TN Load3 Monitor & Report (lb/month) 5,632lb/year annual load Monthly Annually Calculated Calculated Effluent Effluent Total Phosphorus^ 2.0 mg/L (quarterly average) Weekly Composite Effluent pH5 Weekly Grab Effluent Footnotes: 1. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L. 2. For a given wastewater sample, TN = TKN + NO2-N + NO3-N, where TN is Total Nitrogen and TKN is Total Kjeldahl Nitrogen. 3. TN Load is the mass load of Total Nitrogen discharged in a given period of time [see condition A. (3)]. The annual TN Load limit shall become effective with the calendar year beginning on January 1, 2003. Compliance with this limit shall be determined in accordance with condition A. (4). 4. The quarterly average for total phosphorus shall be the average of composite samples collected during each calendar quarter (January -March, April -June, July -September, October -December). 5. The pH shall not be less than 6.8 standard units nor greater than 8.5 standard units. There shall be no discharge of floating solids or visible foam in other than trace amounts. -moo 7- A✓ 1tee Q�.