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JO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT; Water Quality Control Division
<br />- Page S, Permtt No. CO-0034142
<br />based effluent limitations, federal guidelines andstandards (40 CFR SubchaplerN) and the Regulations for Effluent Limitations
<br />(Regulation No. 62). Such a review has been done for this facility. The only parameters for which limitatons have been
<br />determined to be necessary are shown in Tables Y-l, V-2, and Y-3 with the applicable limitations. The basis for these limitations
<br />is discussed in secrion VA.2.
<br />a) Outfalls 004, 007, 009, and OII-021
<br />Table V-1
<br />and 011-021
<br />Flow, MGD Report Repot! Design Capacity
<br />Settleable Solids, mPJI N/A 0.5" .: Federal E,UTuent Guidelines .
<br />Oil and Grease, mg/1 N/A ]0 State Effluent Regularions .
<br />pH, s.u. (Minimum-Maximum) N/A 6.5-9.0 Water Quality Standards
<br />TDS, mg/1 Report Report Salinityltegulations
<br />
<br />b) OurfalTs 003, 012, and 014 - _
<br />Ta61e V-1-- Effluent Limitations
<br />and 024
<br />Flow, MGD 4.03
<br />Total Suspended Solids, mg/1 35
<br />Total Recoverable Iron, mg/1 I.0
<br />Total Recoverable Zinc, mg/1 0.23 .
<br />Oil and Grease, mg/1 N/A
<br />pH, s.u. (Minimum-Maximum)
<br />Outfalls 003 and 022 N/A
<br />.. Outfal1024
<br />TDS, mg/1 Report
<br />Whole EI]luenr Toxicity, Cfironic N/A
<br />Repasl Design Capacity
<br />70 Federal Effluent Guidelines ,
<br />Report WQS/Antibacksliding
<br />0.46 WQS/Antibacksliding
<br />10 State Effluent Regularions
<br />6.5-9.0 -Water Quality Standards ,
<br />6.5-9.7
<br />Report Su/iniryRegulations.._. ,..
<br />Statistical Di,~: :Stare Permit Regulan'ons.
<br />BODs, mg/P (i!/day) 30 (3.0) 45 (4.5) N/A StateEfjlueniRegularions
<br />Tatal Suspended Solids, mg/1(il/day) 75(7.5) 110 (11.0) N/A State E„(jluent Regulations
<br />Oil and Grease, mg/1 N/A N/A /0 .State E~7uent Regulatiotu
<br />pH, s.u. (Minimum-Maxtmum) N/A N/A 6.5-9.7 Water Quality Standards
<br />Total Residual Chlorine, mg/1 NA N/A 0.5 Stale Efpuent Regulations/Antibackliding
<br />Fecal Coliform, no./I00 mP 6,000 12,000 N/A State Effluent Regulations/Anribacksliding
<br />TDS, mg/1 Report N/A Report Salinity Regulations
<br />2. Discussion ofEflluent Limitations
<br />a) ReQu]ationsforF.(]luentlimirations: TheRegulationsforE,~iuentLimitations(10.1.0),applytoYheconvenrionalpollutann
<br />For this facility, as was done in the previous permit, the limitations for BODs, TSS, Oil, and Grease at Outfa11023 are base,
<br />on this regulation. T,e li,ni:a.7ons for Oil and Grease at Outfalls 003, 004, 007, OC9, OII-022, and OZ4 are based on thi
<br />regulation.
<br />c) Outfa11023
<br />
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