Loading...
HomeMy WebLinkAboutNC0040011_Wasteload Allocation_19810619NPDES DOCIMENT SCANNING COVER SHEET NPDES Permit: NC0040011 Yanceyville WWTP Document Type: Permit Issuance ..'4 w ‘ . .D. - • , • Allocation -- Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Owner Name Change Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: June 19, 1981 This document is3s printed on reix c paper - ignore any content on the reirerisse reside .•r E 0 0 8 1 ev �0 E 0 C.) 4-9 CO) Vim L CLi CA OS w CD 1- Facility Name: r7' Existing Proposed Design Capacity NPDES WASTE LOAD ALLOCATION D\virin+- Permit No.: Pipe No.: (MGD) : Receiving Stream:_ J a,i 1 c.lsF- Reference USGS Quad: 5z. 1 N (Guideline limitations, if Date: - 1S i County: \ Sw E 11 Industrial (% of Flow) : Domestic (% of Flow) : 100 Class:_________C Sub -Basin: ( —(344 Larry PAJsCEII (Please attach) Requestor: (NIIE�) 11Ji',s, Regional Office .WS R i4--111 Conc.u14 i n applicable, are to be listed on the back of this form.) 8 r c;t1r�11 Design Temp.: e)5°C (15 oC t1.1►1C14-7.-0 Drainage Area: 3A w►c Z Avg. Streamflow: 7Q10: r)oc .0Ltint 1 Winter 7Q10: 30Q2: Slo 'Cr �+n'� Location of D.O.minimum (miles below outfall)• Q a a. 5 nlc . p Velocity (fps) : o, 6 Kl (base e, per day, 200C) : I i (a. I K2 (base e, per day, 20°C) : (7,e )€%_) SvmmEr CP 61 Effluent Characteristics . Monthly Average, Comments $005 • 1 a rreA NO3 --N 7 vn8A , D,o, , 6, relA .... ctc,1 0.31-,C, 1600/1001,611 4 1 SS r`' / _�O Co— 8,5 S. u , Original Allocation Revised Allocation i (Ssrie\ �iY�i) Prepared By: 0 Nov 1 +0 March J'1) Effluent • Characteristics Monthly Average Comments IV 1-' -N j2 c"3/1 j),o, 5 n-aA (.,�l C'c iC 1c)(10/10oro1 .. TS,S '3o015/t . pFl 6,-8,5 Su. Date(s) of Revision(s) (Please attach previous JEr\nr vzv allocation) Reviewed By: Date: • DIVISION OF ENVIRONMENTAL MANAGEMENT June 19, 1981 MEMORANDUM TO: Fin Johnson, Regional Supervisor Winston-Salem Field Office FROM: Jennifer Busun, Environmental Engineer Technical Services Branch THROUGH: Forrest Westall, Head Technical Services Branch SUBJECT: Sumaer/Winter Effluent Limitations Yanceyville Sanitary District WWTP Caswell County Technical Services has completed a waste load allocation for the Yanceyville Sanitary District WWTP discharge into Jail House Branch, based on a level B stream analysis. The summer limitations (April 1 to October 31) are as follows: Flow 0.2 MOD BOD5 18 mg/1 NH3-N 7 mg/1 Dissolved Oxygen 6 mg/1 TSS 30 mg/l Fecal Coliform 1000/100 ml PH 6-8.5 S.U. In addition, the following winter effluent limits can be applied to this facility in accordance with rule 15 NCAC 2B .0404: Flow 0.2 MGD BOD5 21 mg/1 N113-N 12 mg/1 Dissolved Oxygen 5 mg/1 TSS 30 mg/1 Fecal Colif orm 1000/100 gal PH 6-8.5 S.U. memo to Fin Johnson - page two continued - It should be noted that, regarding minter/summer limitations, rule 15 NOAC IB .0404 requires Mat % rationale as to the need for such limitations" be provided. If you have any questions, pie let me knows JB:ce cc: Bill Bills Kathy Poston RoR _F9rm #001 WASTE LOAD ALLOCATION APPROVAL FORM Facility Name: Yanceyville Sanitary County: Caswell Regional Office: Winston Salem Type of Wastewater: Industrial District Sub -basin: Requestor: Domestic 100 If industrial, specify type(s) of industry: #103 00r NU JUG °. 03-02-o�, T .1991 4444. D vV, Receiving stream: Jail House Branch Class: C Other stream(s) affected: Country Line Cr Class: A -II 7Q10 flow at point of discharge: 0 cfs - summer 0.05 cfs winter 30Q2 flow at point of discharge: Natural stream drainage area at discharge point: 0.4 mi2 Summer (April Qw BOD5 NH3-N D.O. Fecal Coliform TSS pH Recommended Effluent Limitations Monthly 1 to Oct. 31) 0.2 MGD 18 mg/1 7 mg/1 6 mg/1 1000/100 ml 30 mg/1 6-8.5 S.U. Avg. *Winter (Nov. 1 to March 31) Qw BOD5 NH3-N D.O. Fecal TSS pH 0.2 MGD 21 mg/1 12 mg/1 5 mg/1 Coliform 1000/100 ml 30 mg/1 6-8.5 S.U. *Analysis shows that a doubling of the summer allocation is not possible. This allocation is: Recommended and reviewed Head, Techncial Services Reviewed by: Regional Supervisor Permits Manager Approved by: Division Director for a proposed facility for a new (existing) facility a revision of existing limitations(seasonal limits a confirmation ren ranch of existing limitations LAIL- vi7/64/, Date: Date: Date: 6 Date: 6 // P% Date: //,/