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Home My WebLink AboutNC0088820_Permit (Modification)_20100331NPDES DOCUMENT :;CANNING: COVER SHEET NC0088820 Pender County WTP NPDES Permit: Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) (Permit permitModification Y Complete File - Historical Engineering Alternatives (EAA) Staff Report Instream Assessment (67b) Environmental Assessment (EA) Permit History Document Date: March 31, 2010 This document is printed on reline paper - ignore aay content on the rezreme ride AVA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Dee Freeman Governor Director Secretary March 31, 2010 Mr. Michael G. Mack, Director Pender County Utilities Department 605 E. Freemont Street Burgaw, NC 28425 Subject: Correction for NPDES Permit Map NPDES Permit NC0088820 Pender County WTP Pender County Dear Mr. Mack: A typographical error was discovered on one of the map labels in your final permit. We have attached a new permit page with the corrected map. Please replace the corresponding permit page with the attached page and discard the replaced page. This does not affect any conditions or requirements in your final permit. If you have any questions concerning this correction to your permit, please contact Ron Berry at telephone number (919) 807-6396 or at email ron.berry@ncdenr.gov. Sincerely, Ron Berry NPDES Unit Attachments Cc: Central Files NPDES Unit Note: No other final permit copies or cc were affected 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 919-807-63001 FAX: 919-807-64951 Customer Service: 1-877-623-6748 Internet: http://h2o.state.nc.us An Equal Opportunity , Affirmative Action Employer Nne orthCarolina atlu*ally ".. 1 -s-••• .110: '41**. t4 •r7V. -441?-• -411• • ..egt,- 6,„ s • . "Alb- - *O , . •-• I -41.• — . • ra ..41PP••"' ••• 140.". -411- • ,- a. '16 -49.- _ak?, •.,.. -Atb.- -Aro- - - •; .‘‘ 6 'wv tEtit)glt -'41\rrtV: orsovElt.-4110 - , .• AFC • . • - apt— ..46,1 • 7 4. -44 - ..14 • • 41,-• -'11't " " tit.! "eft- -64E* . Existing Discharge Line (owned by other) • - N./ -At* - 1!**" AMON" / . • 4" Pender Coun WTP Facility ' • • NC0088820 WOO , , .... __ - , .,. 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''., ..vs,. • — "41111”. ,,_ -• lt alb/ —Alb— -dots- „4,1±,,,, .411.11111.- 4••••••• USGS Quad: J26SE Leland, NC Outfall Facility Latitude: 34° 19' 25.5" N 34° 20' 18" N Longitude: 78° 0' 49.8" W 78° 0' 44" W Stream Class: C, Sw Subbasin: 03-06-17 HUC: 03'030005 Receiving Stream: Cape Fear River North Zxf-• Facility Location Pender County WisP NC0088820 Pender County Permit NC0088820 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 treated filter backwash wastewater and other treated wastewater from outfall 001. Such discharges shall be limited and monitored by the Permittee as specified below: EFFLUENT LIMITS MONITORING REQUIREMENTS Monthly Average Weekly Average Daily Maximum. Measurement Frequency Sample Type Sample • Location CHARACTETISTICS • Flow Continuous Recording Effluent Total Suspended Solids (TSS) 30.0 mg/L 45.0 mg/L Weekly Grab Effluent pH Not greater than 9.0 S.U. nor less than 6.0 S.U. Weekly Grab Effluent Total Residual Chlorine (TRC) 1 28 pg/L Weekly Grab Effluent Turbidity, NTU Weekly Grab Effluent Aluminum, mg/L Quarterly Grab Effluent Fluoride, mg/L Quarterly Grab Effluent Total Copper, mg/L Quarterly Grab Effluent Total Iron. mg/L Quarterly Grab Effluent Total Zinc, mg/L 2 • Quarterly Grab Effluent Manganese, mg/L Quarterly Grab Effluent Kjeldahl Nitrogen, mg/L (TKN) Quarterly Grab Effluent Nitrite/Nitrate Nitrogen, mg/L (NO2-N + NO3-N) Quarterly Grab Effluent Total Nitrogen, mg/L (TN) TN = (NO2-N + NO3-N) + TKN Quarterly Calculated Effluent Total Phosphorus, mg/L (TP) Quarterly Grab Effluent Acute Toxicity Test 3 Quarterly Grab Effluent Footnotes: 1. Total Residual Chlorine (TRC) compliance is required when chlorine or chlorine derivative disinfection occurs in water sources used in backwashing or otherwise become part of the facility wastewater. The Division shall consider all effluent TRC values reported below 50 pgL to be in compliance with the permit. However, the Permittee shall continue to record and submit all values reported by a North Carolina certified laboratory (including field certified), even if these values fall below 50 pg/L. 2. If zinc orthophosphate or other zinc -based corrosion inhibitor addition occurs to water used for filter backwash then total zinc monitoring is required. 3. Acute Toxicity, 24 hr. static P/F, TGF6C (Primepa/es promelas) at 90%; February, May, August, and November. All Effluent Characteristics shall be monitored in conjunction with toxicity test. See Special Condition A. (2.). All samples must be collected during a typical discharge event from this facility's effluent. There shall be no discharge of floating solids or visible foam in other than trace amounts.