The URL can be used to link to this page

Home My WebLink AboutNC0021474_wasteload allocation_19880701 s 'City of Mebane W Chartered in 1881 .,�.- -,�.,,,= "2"...'".r........ ...:..:"." 106 E.Washington Street f U Mebane, N.C. 27302 (919)563-5901 July 1, P'8857 Mr. R. Paul Wilms, Director JUL -5 Division of Environmental Management Post Office Box 27687 - 0IV.OFENVIRihlG;iE;iiALiViAiNAGEMENT Raleigh, North Carolina 27 61 1-7 687 Subject: NPDES No. NC0021474 Notification of Tentative Phosphorus Removal Method Dear Mr. Wilms: Our staff and consulting engineer have been investigating methods to attain phosphorus removal at the Mebane Wastewater Treatment Plant for approximately 12 months. During that time, we have noticed improvements in the phosphorus levels in our plant effluent. We feel this reduced phosphorus content is due to new phosphorus pretreatment standards implemented by the City and possibly the State ban on phosphorus in detergents. The treatment plant effluent now generally meets the 2 mg/l limit for phosphorus, or is very close. Due to the operating conditions presently being experienced, our consultant has recommended that the City of Mebane install a chemical feed system to meet the phosphorus limits for those times when the phosphorus in the effluent approaches 2 mg/l. The City of Mebane is presently considering plans to enlarge our treatment plant. If our time table is such that our plant expansion cannot be completed by January, 1990, we will provide means to feed the appropriate chemical for phosphorus reduction before said date. Should there be any questions in this regard, please do not hesitate to contact me. Sincerely, TOWN OF MEBAN2dner, E C. Brooks Mayor ' i JUL 1 1988 IrD WAlcl 'QUALITY SEC ilON 141 SERVICES BR�NSN 9 , C State of North Carolina Department of Natural Resources and Community Development Division of Environmental Management 512 North Salisbury Street • Raleigh, North Carolina 27611 James G. Martin, Governor R. Paul Wilms S. Thomas Rhodes, Secretary June 29, 1988 Director Dennis J. Hodge, Supt. Mebane Wastewater Treatment Plant City of Mebane dg+ObMCZ 106 East Washington Street PoAz4xe;� Mebane, NC 27302 SUBJECT: . NPDES Permit Application NPDES Permit No. NC0021474 Mebane Wastewater Treatment Plant Alamance County Dear Mr. Hodge: In accordance with your request for application withdrawal dated May 12, 1988, the Division of Environmental Management is returning your application with no further action taken. A copy of the application is being retained in our Central Files for future reference. The existing Permit No. NC0021474 remains in full effect. The public notice fee of 050. 00 is being returned to you under separate cover. Should you wish at some future time to modify your permit, you must submit a new application and receive a NPDES Permit prior to modifying the discharge. Please note that construction or operation of wastewater discharge facilities without a permit may be considered a violation of 15 NCAC 2H . 0101 and the North Carolina General Statutes (GS 143-215. 1). If you have any questions, please contact Mr. Jule Shanklin 19191 733-5083. Sincerely, Arthur Mouberry, P.E. Supervisor, Permits and Engineering cc: Mr. Jim Patrick, EPA Mr. Larry Coble Mr. Jule Shanklin (Mr. Trevor Clements- Mrs. Kaie McNeill /✓��i rJ Attachment �6 Pollution Prevention Pays P.O. Box 27697, Raleigh, North Carolina 27611-7697 Telephone 919-733-7015 An Equal Opportunity Affirmative Action Employer NPDES WASTE LOAD ALLOCATION PERMIT NO.: NCOO Z 14 74 Modeler Date Rec. # r _-3-D y 3 L/ BS �.5 y-L/� FACILITY NAME: Hebaoe K/ In/ IP, Gr!�j b� _ Facility Status: O PROPOSED Drainage Area (mid) (),9D Avg. .Streamflow (cfs):. (circle one) 7Q10 (cfs) 010 Winter 7Q10 (cfs) 0, 0 30Q2 (cfs) 0.0-15 Permit Status: RENEWAL MODiF 13ON UNPERbffrrED NEW (Circle ow) Toxicity Limits: IWC (00 % (circle one) Acute / hronia Malor >Mf nor r_ Pipe No: )D1 Instream Monitoring: . _ ' Parameters tun <a4u c ICU n kUJ(,Q"� ,/ off �ecal col, )rlh Design .Capacity (MGD): Z.Q 00 �j 9 �- ,`' 1 -0 SODS ') IV 43-A) r Domestic (% of Flow): a D Upstream Location 11 KaM troM Industrial (% of Flow): Z D o Downstream Location At Facin Road Tµs1' ae(ore Comments: Nl odo 11 e� w� 'z 06 -Sepi Laf{jaen Lake GLI+GIC�n2� . Fre�aenc� ° s mmec �hp.',I _ Oct.) weekl �„ thr. w;n�e� nbv, — Ma«L^ Effluent Summer Winter r Characteristics RECEIVING STREAM: µ0aJotyA Creed BODE (mg/1) 6,(2 (010 Class: C - NSW NHs N (mg/0 2 0 q, 0 Sub-Basin: 0 3-06 ' OZ . D.O. (mg/1) 6 Reference USGS Quad: C 2- ( �� M'lPliase attach) TSS (mg/1) 30 3D County: ,Alex-4 ci,•:ae Regional Office: As Fa Mo . He We Wi WS F. Col. (/100m0 100 too (circle see) pH (SU) 6- Q Requested BY: Date: 3 I "1 00 �. U f� /�) zo 20 C rom;um 50 50 SO 4,8S _ J ckel ( Prepared By: I / - � � 11ate� �Qa �. p, 1S,5�o � C" 9� Reviewed By: Date: '29 6c6 7-5 Gan. Q� S S �C�/ / 88 Comments: Ii ecornmin of luen-4 mwi,A6f:,1 o� !f� CO c anG Zr1 99R INN)I.I11�1.' _ 1 � r � y,n rr • ''� � SOU t/i[ 7,' �\ ' ?, ( o-Y�-!, ,:h Al i , � �t� Lade � �I I .. �1.�(�>r,. ., . \�� ✓�/� C` � —� F 1 Cy /7 ' E/fv^ �7oN AL7 �.qp ��lfEf" , r PAW" Request No , : 4544 ----------------------- WASTELOAD ALLOCATION APPROVAL FORM ---- ------------------ Facil. i.ty Name: CITY OF MEBANE WWTP NPDES No . ; NCO021474 Type of Waste: S4% DOMESTIC, 16% INDUSTRIAL Status: EXISTING - MODIFICATION Receiving Stream: MOADAMS CREEK Classification: C-NSW Subbasin: 030602 Drainage area : 0.900 sq mi County : ALAMANCE Summer 7010: 0.00 cfs Regional Office: WINSTON-SALEM Winter 7010: 0.00 cfs Requestor : JULE SHANKLIN Average flow: 0.90 cfs Date of Request : 3/17/83 3 Q2: 0.075 cfs Ouad : C21SE ----------------------- RECOMMENDED EFFLUENT LIMITS -------------------------- SUMMER WINTER Wasteflow (mgd ) : 2.50 2.50 TP(mg! i ) : 2.00 BOD5 (mgil ) : 5 10 Cadmium (ugil ) : 2 NH3N (mg/ 1 ) : 2 4 Chromium (ugi1 ) : 50 DO (mg/1 ) : 6 6 Nickel (ug/l ) : 50 TSS (my/1 ) : 30 30 Lead (ugil ) : 25 Feral col. i.form (# 1100ml ) : 1000 1000 Cyanide (ugi1 ) : 5 pH ( su) : 6--9 6-9 Toxicity Testing Req . : CHRONIC/CERIODAPHNIA.•QRTRLY ---------------------------- MONITORING ------_------------- ---------------_ Upstream (YIN ) : Y Location: UPSTREAM FROM DISCHARGE. Downstream ( Y/N) : Y Location: AT FARM ROAD JUST BEFORE LATHAM LAKE. --------"-------"---------------------- COMMENTS -----_ CHANGF_S IN LIMITS ARE DUE TO THE EXPANSION OF THE FACILITY. THEY ARE IN ACCORDANCE WITH- CURRENT DIVISIONAL PRODEDURE. INVOLVING r STREAMS_ WITH 7010=0 AND 3002 > 0. RECOMMEND EFFLUENT MONITORING OF COPPER AND ZINC. -------------------------------------------------------------------------- Recommended by : /'✓ ugi(- ._.Sczt.t Wl Date: Reviewed by (.\�� Tech Support Sulvisor : ._..k W - - - - --- --- Date: VV yy�I Region Supervisor : 1J -..._._.._. __..-- - -------.---- Date: __y---- ---- Permits &: Engineering : ------ ------�--------- ----....---------- Date: .---�F-Z�SIdD - - RETURN TO TECHNICAL SEiRVICES BY : MAY 1.4-. 1988 --- Facility Name MaAe W bJT P Permit q _ NC oozlg7y C14RONICTOXICFFYTESTING REQUIREMENT(QRTRLY) The effluent discharge shall at no time exhibit cluonic toxicity using test procedures outlined in: 1.) The North Carolina f&dodaphnia chronic effluent bioassay procedure (North Carolina Chronic Bioassay Procedure - Revised 'February 1987) or subsequent versions. The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality is qq % (defined as treatment two to the North Carolina procedure document). The permit holder shall perform oLiartfrl mbnitoring using this procedure to establish compliance with the permit condition. The fast test will be performed after thirty days from issuance of this permit during the months of San r u I O t Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes. All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP313. Additionally, DEM Form AT-I (original) is to be sent to the following address: Attention: Technical Services Branch North Carolina Division of Environmental Management P.O. Box 27687 : Raleigh, N.C. 27611 Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in association with the toxicity tests, as well as all dose/response data. Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for disinfection of the waste stream. Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Environmental Management indicate potential impacts to the receiving stream, this permit may be re-opened and rnodified•to include alternate monitoring requirements or limits. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival and appropriate environmental controls, shall constitute an invalid test and will require immediate retesting(within.30 days of initial monitoring event). Failure to submit suitable test results will constitute"a failure of permit condition. 7Q10 0,0 cfs Permited Flow z:S MGD Recommended by: .IWC% loo Basin S Sub-basin o3o6 oz Receiving Stream N1oAflams Creek a �fe Sao A County_ Alamance Date "Chronic Toxicity (Ceriodaphnia) P/F at�D—%o, Tan A-Jo I OT, See Part 3 , Condition :L .