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Home My WebLink AboutNC0025381_wasteload allocation_19910827NPDES WASTE LOAD ALLOCATION PERMIT NO.: NC0025381 PERMITTEE NAME: Town of Lake Lure / Town of Lake Lure WWT(" Facility Status: Existing Permit Status: Modification Major Minor Pipe No.: 001 Design Capacity: 0.995 MGD Domestic (% of Flow): 100 % Industrial (% of Flow): Comments: Plant expansion from p 6 MGD to deal with I & I problem. Pretreatment information attached RECEIVING STREAM: the Broad River Class: C Sub -Basin: 03-08-01 Reference USGS Quad: F 10 NW (please attach) County: Rutherford Regional Office: Asheville Regional Office Previous Exp. Date: 9/30/93 Treatment Plant Class: Class II Classification changes within three miles: Requested by: Rosanne Barona Prepared by: Reviewed b bob .tiCc, 1.± . /3S WQ-\ g L, cL, Date: 5/14/91 Date:' Date: a 7_Z I Modeler J Date Rec. # Skko S i s 9l (p 3 Drainage Area (mil) 9/� Avg. Streamflow (cfs): 16 9 7Q10 (cfs) 6,6 Winter 7Q10 (cfs) 13, 30Q2 (cfs) Toxicity Limits: IWC % Acute/Chronic Instream Monitoring: Cot Parameters Upstream A/ Location Downstream Location Effluent Characteristics Summer Winter BOD5 (m ) 30 NH3-N (mg/1) �. (47► D.O. (mg/1) TSS (mg/1) :30 30 F. Col. (/100 ml) �.o v pH (SU) (b)q) Z W , nments: ` (0q2-Ga NPDES PRETT2EATME7,T INFORMATION REQUEST FORM FACILITY NAME: �Q �,�k e NPDES NO. NCO 0 3 O �— — ! REQUESTER : �Q,t p��, DATE: y/ Z6/ J/ REGION: i i PERMIT CONDITIONS COVERING PRETREATMENT This facility has no SIUs and should not have pretreatment language. This facility should and/or is developing a pretreatment program. Please include the following conditions: Program Development Phase I due Phase II due Additional Conditions (attached) This facility is currently implementing a pretreatment program. Please include the following conditions: SIGNIFICANT INDUSTRIAL USERS' (SIUs) CONTRIBUTIONS i ! SIU FLOW i i i i Cd Cr Cu Ni Pb Zn CN Phenol Other - TOTAL: - COMPOSITION: T'ES,TILE : METAL FINISHING: OTHER: Program Implementation Additional Conditions (attached) M PASS !THROUGH DAILY LOAD IN LBS/DAY ACTUAL !ALLOWABLE DOMESTIC PERMITTED INDUSTRIAL % REMOVAL RDCEIVF.D :/�/ REVIEWED BY : t RETLJRNID : //! RECEIN FACT SHEET FOR WASTELOAD ALLOCATIONSii!I{js`#r Request #6243 Facility Name :TOWN OF LAKE LURE WWTP I J U L NPDES No. :N00025381 Type of Waste :100% DOMESTIC Facility Status :EXISTING AS#teVialp Rpk'<i:,�1 s�t'f' Permit Status :MODIFICATION AsbeVille, Roth Car0lti Receiving Stream :THE BROAD RIVER Stream Classification:C Subbasin :030801 County :RUTHERFORD Stream Characteristics: Regional Office :ARO USGS #0214850000 Date 182 Requestor :BARONA Drainage Area: 96 mi2 Date of Request :5/14/91 Summer 7Q10: 6.61 cfs Topo Quad :F10NW Winter 7Q10: 33.4 cfs Average Flow: 169 cfs 30Q2: cfs Wasteload Allocation Summary I / ; , (approach taken, correspondence with region, EPA, etc.) 9CLC` / `_'�` FACILITY REQUESTING EXPANSION OF PLANT TO 0.995 MGD TO ACCOUNT FOR INFLOW b�.J2 AND INFILTRATION PROBLEM. LAKE LURE WILL HAVE NH3 TOXICITY LIMIT OF 4.3 joroP� MG/L- (SUMMER) AND CHLORINE LIMIT OF 28 UG/L AT THE NEW DESIGN FLOW. 1 AM '5/1+� �+ Sa Special Scheduled Requirements and additional comments from Reviewers: Recommended by: Date: - Reviewed by i Instream Assess t:0�' �v�UT Date: Regional Sup r• Date: Permits & Engineering: Aj G^ Date: RETURN TO TECHNICAL SERVICES BY: AUG 17 19411 -2 - CONVENTIONAL PARAMETERS Existing Limits Monthly Average Summer/winter Wasteflow (MGD): 0.600 BOD5 (mg/1): 30 NH3N (mg/1): nr DO (mg/1): nr TSS (mg/1): 30 Fecal Coliform (/100 ml): 1000 pH (SU): 6-9 Oil & Grease (mg/1): TP (mg/1): TN (mg/1): Toxicity: Recommended Limits Monthly Average Summer/Winter Wasteflow (MGD): 0.995 / 0.995 BOD5 (mg/1): 30 / 30 NH3N (mg/1): 4.3 /MONITOR DO (mg/1) : NR / NR TSS (mg/1): 30 / 30 Fecal Coliform (/100 ml): 200 / 200 pH (SU): 6-9 / 6-9 Tot.Res. Chlorine (ug/1): 28 / 28 TP (mg/1) : TN (mg/1): Toxicity: INSTREAM MONITORING REQUIREMENTS: Upstream: N Location: Donwstream: N Location: Limits Chanaes Due To: Instream Data Ammonia Toxicity Chlorine Nutrient Sensitive Waters HQW New 7Q10 flow data Special Modeling Studies New facility information Daily Maximum Daily Maximum Parameter(s) Affected NH3 CHLORINE LIMIT (explanation of any modifications to past modeling analysis including new flows, rates, field data, interacting discharges, etc.) pt Z-.14 low alxj 7 9 -7e Z-4 -791D a,ct, I e"— D/is79/%C lS,�W ,�. i G l�, �,J%�i t/ y 4y (�71� � - cam!! �`^'►.. b — b /511 244 Za-'- 50�� z Woe C. z, le s- k" veff-- I -IV Af 39.7, �� - Lam.. G�.- �.1�1✓-r1 /•may-tJ : f �r..�X�r 4��Pv✓if.'� h G' � '� �Q � 7It2-aZli��+' ='4 a.7� H�+'�' � � �""� �•s_.�i,• '��uil� C�Q r�yY` �rrro�t.^._ {/� � / � i �� _ —,—� III LAKE LURE WWTP AMMONIA ANALYSIS 7Q10: 6.6000 cfs NH3 Effl. Conc: 4.7000 mg/1 AL (1/1.8 mg/1): 1000.00 ug/l Upstream NH3 Conc.: 220.0000 ug/1 .Design Flow: 0.9950 MGD Predicted NH3 Downstream: 1068.57 ug/l 1.068571 mg/1 NH3 Limit: 4337.980 ug/l 4.337980 mg/1 AMMONIA ANALYSIS 7Q10: 33.4000 cfs NH3 Effl. Conc: 4.7000 mg/1 AL (1/1.8 mg/1): 1800.00 ug/l Upstream NH3 Conc.: 220.0000 ug/l Design Flow: 0.9950 MGD Predicted NH3 Downstream: 417.73 ug/l 0.417734 mg/l NH3 Limit: 36017.53 ug/l 36.01753 mg/l (WINTER) LAKE LURE WWTP CHLORINE 7Q10: 6.6000 CL2 Effl. Conc: 0.4000 AL (17/19 ug/1): 17.0000 Upstream CL2 Conc.: 0.0000 Design Flow: 0.9950 Predicted CL2 Downstream: 75.77 0.075765 CL2 Limit: 89.75085 0.089750 ANALYSIS cfs mg/l ug/l ug/l MGD ug/l mg/l ug/l mg/l 4' e'A-r,4 34" `L c 4 SUMMER MODEL OF LAKE LURE WWTP WITH NH3 TOXICITY LIMIT ---------- MODEL RESULTS ---------- Discharger : TOWN OF LAKE LURE Receiving Stream : BROAD RIVER ---------------------------------------------------------------------- The End D.O. is 7.81 mg/l. The End CBOD is 9.10 mg/l. The End NBOD ---------------------------------------------------------------------- is 3.98 mg/l. WLA WLA WLA DO Min CBOD NBOD DO Waste Flow (mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd) Segment 1 ------ 6.03 ---------------- 0.00 1 ---- ---- -- ---------- Reach 1 45.00 19.35 0.00 0.99500 *** MODEL SUMMARY DATA *** Discharger : TOWN OF LAKE LURE Subbasin : 030801 Receiving Stream : BROAD RIVER Stream Class: C Summer 7Q10 : 6.6 Winter 7Q10 : 33.4 Design Temperature: 25.0' ILENGTHI SLOPEI VELOCITY I DEPTHI Kd I Kd I Ka I Ka I KN I I mile I ft/mil fps I ft. Idesignl @20:14 Idesignl @2014 Idesign) -------------------------------------------------------------------------------- I I I I I I I 1 .I 1 Segment 1 1 1.401 18.401 0.400 1 1.17 1 0.39 1 0.31 114.77 1 13.241 0.44 1 Reach 1 1 1 1 1 1 1 1 1 1 1 -------------------------------------------------------------------------------- I Flow I CBOD I NBOD I D.O. I cfs I mg/l I mg/1 I mg/l I Segment 1 Reach 1 Waste 1 1.542 1 45.000 1 19.350 1 0.000 Headwatersl 6.600 1 2.000 1 1.000 1 7.440 Tributary 1 0.000 1 2.000 1 1.000 1 7.440 * Runoff 1 0.180 1 2.000 1 1.000 1 7.440 * Runoff flow is in cfs/mile SUMMER MODEL OF LAKE LURE WWTP WITH NH3 TOXICITY LIMIT Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I 1 1 0.00 6.03 10.14 4.48 8.14 . 1 1 0.10 6.40 10.07 4.44 8.16 1 1 0.20 6.70 9.99 4.40 8.18 1 1 0.30 6.94 9.91 4.36 8.20 1 1 0.40 7.13 9.83 4.33 8.21 1 1 0.50 7.28 9.76 4.29 8.23 1 1 0.60 7.40 9.68 4.25 8.25 1 1 0.70 7.49 9.61 4.22 8.27 1 1 0.80 7.57 9.53 4.18 8.29 1 1 0.90 7.63 9.46 4.15 8.30 1 1 1.00 7.69 9.39 4.11 8.32 1 1 1.10 7.73 9.32 4.08 8.34 1 1 1.20 7.76 9.25 4.05 8.36 1 1 1.30 7.79 9.17 4.01 8.38 1 1 1.40 7.81 9.10 3.98 8.39. Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I le 6rt-utc- v cB�ATA3b i SUMMER MODEL FOR TOWN OF LAKE LURE EXPANSION TO 0.995 MGD ---------- MODEL RESULTS ---------- Discharger : TOWN OF LAKE LURE Receiving Stream : BROAD RIVER ---------------------------------------------------------------------- The End D.O. is 7.46 mg/l. The End CBOD is 9.10 mg/l. The End NBOD is 15.79 mg/l. ---------------------------------------------------------------------- WLA WLA WLA DO Min CBOD NBOD DO Waste Flow (mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd) ---------------------- ---- ---- -- ---------- Segment 1 6.03 0.00 1 Reach 1 45.00 90.00 0.00 0.99500 *** MODEL SUMMARY DATA *** Discharger : TOWN OF LAKE LURE Subbasin 030801 Receiving Stream : BROAD RIVER Stream Class: C Summer 7Q10 : 6.6 Winter 7Q10 : 33.4 Design Temperature: 25.0 ILENGTHI SLOPEI VELOCITY I DEPTHI Kd I Kd I Ka I Ka I KN I I mile I ft/miI fps I ft Idesignl @201/2 Idesignl @20:�i Idesignl -------------------------------------------------------------------------------- I I I I I I I I I I Segment 1 1 1.401 18.401 0.400 1 1.17 1 0.39 1 0.31 114.77 1 13.241 0.44 1 Reach 1 I I I I I I I I I I -------------------------------------------------------------------------------- Flow I CBOD I NBOD I D.O. I I cfs I mg/l I mg/1 I mg/1 1 Segment 1 Reach 1 Waste 1 1.542 1 45.000 1 90.000 1 0.000 Headwaters) 6.600 1 2.000 1 1.000 1 7.440 Tributary 1 0.000 1 2.000 1 1.000 1 7.440 * Runoff 1 0.180 1 2.000 1 1.000 1 7.440 * Runoff flow is in cfs/mile .. SUMMER MODEL FOR TOWN OF LAKE LURE EXPANSION TO 0.995 MGD Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow 1 1 0.00 6.03 10.14 17.86 8.14 1 1 0.10 6.32 10.07 17.70 8.16 1 1 0.20 6.56 9.99 17.55 8.18 1 1 0.30 6.74 9.91 17.39 8.20 1 1 0.40 6.89 9.83 17.24 8.21 1 1 0.50 7.01 9.76 17.09 8.23 1 1 0.60 7.11 9.68 16.94 8.25 1 1 0.70 7.19 9.61 16.79 8.27 1 1 0.80 7.26 9.53 16.64 8.29 1 1 0.90 7.31 9.46 16.50 8.30 1 1 1.00 7.35 9.39 16.35 8.32 1 1 1.10 7.39 9.32 16.21 8.34 1 1 1.20 7.42 9.25 16.07 8.36 1 1 1.30 7.44 9.17 15.93 8.38 1 1 1.40 7.46 9.10 15.79 8.39 Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow