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NC0051918_Wasteload Allocation_19821027
NPDES DOCUHENT SCANNINL COVER SHEET NPDES Permit: NC0051918 Cleveland County WTP Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Staff Report Instream Assessment (67b) Environmental Assessment (EA) Permit History Document Date: October 27, 1982 This document is printed on reuise paper - iggnore nay content on the re'w rise side Facility Name: Existing Proposed NPDES WASTE LOAD ALLOCATION tIpp.01 P U QML4 & rt ,r Di S . C.i�kdr �TA.fDate: �. 1i _ A 7 - Permit No : C i•X) � 1' 18' Pipe No.: 60/ County: 6evsle 4244 rg Design Capacity (MGD): ©• o i 1 Industrial (% of Flow): Domestic (% of Flow): Receiving Stream: V-� i'S� L�f vf� r� RI VN VV" Class: Sub -Basin: _ i') 3 - & - C3 4 Reference USGS Quad: J4-444tt v (F-1 i)(Please attach) Requestor • 11Y 4 13L1 Regional Office - E (Guideline limitations, if applicable, are to be listed on the back of this form.) Drainage Area: I O frk, Avg. Streamflow: Winter 7Q10• 30Q2- a) . 3 Location of D.O.minimum (miles below outfall): Slope:. Velocity (fps): K1 (base e, per day, 20°C): K2 (base e, per day, 20°C)• 0 JALI, Design Temp 7Q10: 0 Effluent Characteristics Original Allocation Revised Allocation `o , � epared By: Monthly Average 5 Date(s) of Revision(s) (Please attach previous allocation)PIOT' E D Reviewed By: VIZ., Date: I D/U? (b • • r% L. REQUEST NO. 455 ********************* WASTILOAD ALLOCATION APPROVAL FORM ********************* FACILITY NAME TYPE OF WASTE COUNTY REGIONAL OFFICE RECEIVING STREAM 7Q10 : 93 CFS DRAINAGE AREA • • UPPER CLEVELAND CO WTP WATER TREATMENT PLANT CLEVELAND ASHEVILLE REQUESTOR ; REGGIE BAIRD FIRST BROAD RIVER SUBBASIN 030804 W7010 : CFS 3002 : CFS 190.00 SQ. MI . STREAM CLASS t C ************************ RECOMMENDED EFFLUENT LIMITS ************************ WASTEFLOW(S) BOD-5 NH3-N D.O. PH FECAL COLIFORM TSS (MGD) 0.019 (MG/L) (MG/L) (MG/L) (SU) (/100ML): (MG/L) 466 ilac� 1e,7t *************************** FACILITY IS : PROPOSED ( LIMITS ARE : REVISION ( REVIEWED AND RECOMMENDED BY: S TURBIDITY=THE DISCHARGE SHALL NOT CAUSE THE TURBIDITY OF THE RECEIVING WATERS TO EXCEED SONTU &.-PY 7-5 S "(14 64x! e , .. '/ " *************************************.K ************ EXISTING ( ) .NEW ( ) CONFIRMATION ( ) OF THOSE PREVIOUSLY ISSUED • MODELER SUPERVISOR,MODELING GROUP REGIONAL SUPERVISOR PERMITS MANAGER APPROVED BY DIVISION DIRECTOR TE : _%1D1 DIVISION OF ENVIRONMENTAL MANAGEMENT WATER QUALITY SECTION ASHEVILLE REGIONAL OFFICE October 12, 1982 MEMORANDUM TO: Randy Williams, Supervisor Modeling Group FROM: James R. Reid Environmental Chemistry Consultant SUBJECT: Recommended Effluent Limits Upper Cleveland County Water Treatment Plant Cleveland County, North Carolina The proposed discharge is not for filter backwash and primary sludge; these are to be treated in a non -discharge system. The discharge for which a permit is requested will be the daily drainage from an intake detention tank the overflow from which will fill the primary settling basin. When the primary settling basin needs to be filled, the intake pumps will be activated and the hydraulic drain valve on the 19,000 gallon intake detention tank will close. After the intake tank fills, the overflow will then run to the primary settling basin. Pumping of water through the intake detention tank will continue at the rate of 1200 gpm until the desired level is reached in the primary settling basin. After the desired level has been reached, the intake pumps will then stop and the hydraulic drain valve on the detention tank will open allowing the tank to drain. The materials to be discharged when the tank drains are approximately 19,000 gallons of river water plus the rapidly settling sand which was suspended in the volume of water pumped through the detention tank. Due to the nature and volume of the proposed discharge, the TSS and settleable solids limitations recommended in the attached form are thought to be unnecessary. Hydraulic sand dredges and other water treatment plants do not have limitations as restrictive as those proposed for this facility. JRR/mkd Attachment