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HomeMy WebLinkAboutNC0021644_Wasteload Allocation_19800919NPDES DOC /WENT 5CANNINO COVER SHEET NPDES Permit: NC0021644 La Grange WWTP Document Type: Permit Issuance 4::-..-"Wastel°ad Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: September 19, 1980 This document its printed on reuse paper - ignore any content on the rezrerne slide )/i D c s (‘(8' LAfi -�-r S ��v��.�� �'-�.: �� NPDES WASTE OAD ALLO^�N Routing on Reverse Side Facility Name: L a 6 r County: -e �v ; •� Receiving Stream: Al o-J %Dy (//A J v w 114.• Ci k Design Capacity (MD): 0. 7S Design. Temp. : Permit No.: sand • Date: ,I / 7 /gP //c_ o a .2 / 6 0? Pipe No. : Class: / Requestor: Wo1 X 0 Sub —basin: O3-0--0S Drainage Area: Other Stream Affected: t•1 Pr Limits (circle one): Effluent Water Qualit tf4er tt Avg. Stream;; Flow : •u de,.�cr 7Q10: D,( Class: wi �14ey- 5 w.•r.er u . DO Sag Pt. (mi.) I ' Effluent Characteristics MontYL1.v Average Weekly .Average Max. Daily Avg, Max jrum Minipiim Conc. , load. , Conc. _ Load. Conc. Load. Conc., Load. Conc. Load. BODS _ 5 I_V. _ Conform )0D� E gmtt,g_iFecal I.1 I r k� Disolved Oxygen 510 0 . g) n'. Q i-Qc Total SS 4- ._ 1)2-) , 3oI)("' , . -`N _ A i . pH (range) • / — i,. i /o -- . /d / � I • Prepared by: viewed by: Date: • IS -3/78 TECHNICAL SERVICES Permit Review - Evaluation Procedure FACILITY: Name G-rowl - W T P Individual in Charge LOCATION: Town 1-4 OACkNi-c, DEM Region N 1 E 4 County LtvtD 1 r Sub -Basin o 3 - of -oc MCPR 1 RECEIVING STREAM: �I Name /1165e I Cad!. e e Class G -Stip R 7/10 Flow o _ 4 cs Slope 3.1 /i14,,,,' PERMIT: State NPDES Certification Application COMMENTS: cc: A. F. McRorie L. P. Benton C. L. Woody Number Issued Expires EFFLUENT LIMITS: Limit Based 0n - Secondary BPCTCA Water Quality M&0 Limit Specified As - Basin NPDES State Plan Permit Permit Basin NPDES State. Plan Permit Permit BOD5 mg/1 S TSS mg/1 3 Coliform (Fecal)/100 ml 2,00 z CO pH G —� 6 --41 Temperature °F Flow mgd 0.1 0.4 1o•w�# 71) 5. 0 S`; 0 Tr") Aut14 Schedule of Compliance: Preliminary or 201 Construction Drawings Start Construction Complete Construction Operational Level 2 Basin NPDES State Plan Permit Permit 4 . ASSIMILATIVE CAPACITY EVALUATION LEVEL "B" ANALYSIS SOURCE OF POLLUTION: Let, ‘-40gi—v►^,c Areawide (208) Planning Area: Q Facilities (201) Planning Area: so0 400 300 200 100 90 80 70 80 50 40 30 20 10 f Design Flow [mgd] A. RECEIVING STREAM Classification: 7/10 Flow (cfs) B. ASSIMILATIVE CAPACITY DATA Water Surface Slope (ft/mi) Stream Velocity (fps) Stream Depth (ft) Elevation @ Discharge Pt. (ft) Drainage Area (sq. mi.) 7/10 Yield (cfsm) Design Temperature 0C) Groundwater Runoff cfs/mi) Deoxygenation Rate K1 Base e) Reaeration Rate (K2 Base e) Min. Daily Avg. D.O. (mg/1) Upstream Quality - BODu (mg/1) D.O. (mg/1 C. REQUIRED EFFLUENT LIMITS Design Flow (MGD) BOD5 (mg/1) Ammonia Nitrogen mg/1 Dissolved Oxygen mg/1 Total Suspended Solids (mg/1) Fecal Coliform (#/100 ml) pH (S.U.) D. COMMENTS re Gv.tk o. o 517 Re D. 6a 6.0 a.A 7•1 a STATE OF NORTH CAROLINA DEPARTMENT OF NATURAL AND ECONOMIC RESOURCES ORIGINAL FIRST UPDATE PAGE SECOND UPDATE THIRD UPDATE