Loading...
HomeMy WebLinkAboutNC0026921_Regional Comments on Permit Mod Request_19911025DIVISION OF ENVIRONMENTAL MANAGEMENT October 25, 1991 N E H 0 R A N D U N TO: Dale Overcash, Unit Supervisor Permits & Engineering Unit FROM: M. J. Noland, Regional Supervisor Fayetteville Regional Office A �f 9� 'e4 Y SUBJECT: NPDES Permit Modification 'T!-�y—!1of--Parkt�or �iastewater Treatment Plant - NCO026912 Robeson County The Town of Parkton has submitted a request that their permit be•4o-Tf ed to rcease the- monthly,-tGxiT:�,ty monitoring requirement and beg i ,_tho quay erl toxicity monitoring requirements with the pass/fail limitation. The Town has passed four (4) consecutive months of toxicity tests, which appears to indicate that the Town can maintain compliance with a quarterly pass/fail toxicity limitation. Therefore, the Fayetteville Regional Office concurs with the Town's request and recommends that the permit modification be issued. MJN/AKK/tf s.•no �o OCT 211991 •�a,,,� ENV. MANAGEMENT FAYETTEVILLE REG. OFFICF State of North Carolina Department of Environment, Health, and Natural Resources Division of bivironmental Management 512 North Salisbury Street • Raleigh, North Carolina 27611 James G. Martin, Govemor William W. cobey, Jr., Secretary Mr. Dan C. Webb Town.of Parkton PO Box 55 Parkton, NC 28371 Dear Mr. Webb : George T. Everett, Ph.D. Director October 16, 1991 Subject: NPDES Permit Application NPDES Permit NO.NC0026921 Parkton Wastewater Treatment Robeson County This is to acknowledge receipt of the following documents on September 24, 1991: Application Form Engineering Proposal (for proposed control facilities), Request for permit renewal, Application Processing Fee of $50.00, Engineering Economics Alternatives Analysis, Local Government Signoff, Source Reduction and Recycling, Interbasin Transfer, Other Modification request (Change in monitoring frequency)., The items checked below are needed before review can begin: Application Form , Engineering proposal (see attachment), Application Processing Fee of Delegation of Authority (see attached) Biocide Sheet (see attached) Engineering Economics Alternatives Analysis, Local Government Signoff, Source Reduction and Recycling, Interbasin Transfer, Other .11 PoButlon Prevention Pays P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-7015 If the application is not made complete within thirty (30) days, it will be returned to you and may be resubmitted when complete. This application has been assigned to Mack Wiggins (919/733-5083) of our Permits Unit for review. You will e advised ot any comments recommendations, questions or other information necessary for the review of the application. I am, by copy of this letter, requesting that our Regional Office Supervisor prepare a staff report and recommendations regarding this discharge. If you have any questions regarding this applications, please contact the review person listed above. Sincerely, M. Dale Overca P.E. CC: Fayetteville Regional Office ALDERMEN 90 O f :DDQ4GOYL TOWN CLERK - FINANCE OFFICER JOSEPH MARSH DANIEL HORACE W. PARNELL AND TAX COLLECTOR ROBERTA.HUGHES LARRY G. HAGIN MAYOR DOROTHY C. LAWING PATRICK M. NEWTON ' ; PUBLIC WORKS DIRECTOR WILLIAM K. POWERS � Q,t4ton 1:V1V. C ) DAN C. WEBB 28371 CHIEF - FIRE DEPT. LEWIS MOORE September •18, 1991, CHIEF - POLICE DEPT. j R.W. TINDALL i "Mr. M. Dale Overcash, P.E. State of North Carolina �V Department of Environment, Health,& Natural Resources ..512 North Salisbury Street Raleigh,, N;. C. 27611 ��gfja �AGa SUBJECT: Aquatic Toxicity Tests- . Dear Mr. Overcash:- The Town of Parkton has for the past -six (6) months conducted monthly aquatic toxicity tests (copy attached) at our.wastewater treatment plant to try_and establish a limit for a quarterly report.- Parkton is a small rural town with' a population of approximately 385 and approximately 200 houses on our sewer system. Since these tests are so ex- pensive and we operate on such a limited budget, we-would!like to request that you consider setting a limit for Parkton in order that',we'can begin reporting this test on a quarterly basis right away. Attached is a check in the, amount of $50.00 to cover this request per my phone conversation with Kitty Kramer,in.Fayetteville today. r . Any consideration given this -matter will be greatly appreciated. .. I Sincerely, q qq , PanC�__Webb Director of Public;Works. Attachments: 2 Copy: Kitty Kramer Fayetteville Regional Office 5 EFFLUENT AQUATIC TOXICITY REPORT FORM/CHRONIC PASS/FAIL AND LC50 Irate: 08/26/91 Facility: TOWN OF PARKTON NPDEStt: NCO026921 Pipe#: 001County: ROBESON Laboratory Perfo ng Test: WEBB TECHNICAL GROUP INC. -- ----- Comments: Si nature o Operator in Responsible Charge z PEP/ North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Bioassay Control Organisms Organism # 1 2 3 4 5 6 7 8 9 10 11 12 r--- It Young Produced 1116113114112113115115115116118118116 Adult (L)ive (D)ead JAL IL IL IL IL IL IL IL IL IL IL IL Work. Order: 9108509 Chronic Test Results Calculated t = 1.106 Mortality 0.00 Control Avg.Reprod. 15.08 Control Effluent %: 99% Organism it �� 0.00 I 14.08 Treatment 2 Organisms--1 -3- 4 5 6 7 8 9 10 11 12 Treatment 2 Treatment 2 control PASS FAIL # Young Produced 10 15 16 15 9 15 13 13 18 15 15 15 organisms --� producing a 3rd brood Adult (L)ive (D)ead L L L L L L L L L L L L 75% - Check. One 1st sample 1st sample 'end sample --- - — pH Test Start Date: 08/17/91 Control 7.62 8.08 7.81 7.77 7.87 7.96 Collection (Start)Date Sample 1: 08/15/91 Sample 2: 08/20/91 Treatment 2 6.74 7.86 7.71 7.53 7.51 7.78 Sample Type/Duration 2nd 1st P/F s s s Grab Comp. Duration t e t e t e DIL S S a n a n a n Sample 1 X 24 hrs A A r d r d r d H 0 M M t t t Sample 2 X 24 hrs 2 P P 1st sample 1st sample 2nd sample D.O. Hardness(mg/1) 47 _._... .._._.. Control 7.8 8.0 8.0 7.9 Spec. Con ductivity(umhos) 206 175 160 Treatment 2 6.1 8.0 8.0 7.6 Sample temp. at receipt Chlorine(mg/1) _ <0„l ".0.1 �: 0 C. :? L' IIIIDI�OBN1N�liml@I11�N61UII�IWI�IY�IYIBIf�IIWtlWWGINII1>tiIU�IIRNBll9 LC50/Acute Toxicity Test Y. % % % % % % % % % Mortality �-- ' start/end start/end LC50 = Y. Method of Determination 95% Confidence Limits Moving Average _ Frobit _ -- Y. Spearman Karber _ Other Mail original to: ATT: Environmental Sciences Branch Div. of Environmental Management N.C. Department of EHNR P.O. Bo,,.,.27687 Raleigh, N.C. 27611 FTI Control High Conr. pH D.O. Organism Tested: Ceriodaphnia dubia Copied from DEM form AT-1 (3/87) rev. 9/89 Mortality �-- ' start/end start/end LC50 = Y. Method of Determination 95% Confidence Limits Moving Average _ Frobit _ -- Y. Spearman Karber _ Other Mail original to: ATT: Environmental Sciences Branch Div. of Environmental Management N.C. Department of EHNR P.O. Bo,,.,.27687 Raleigh, N.C. 27611 FTI Control High Conr. pH D.O. Organism Tested: Ceriodaphnia dubia Copied from DEM form AT-1 (3/87) rev. 9/89 pH D.O. Organism Tested: Ceriodaphnia dubia Copied from DEM form AT-1 (3/87) rev. 9/89