NPDES permit IN0002470 · Major NON-POTW · effective, expires 2027-03-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31. Most often over: BOD, 5-day, 20 deg. C (5), Solids, total suspended (2), Chemical Oxygen Demand [COD] (1).
Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Flow rate | MO AVG | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 106 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 191 lb/d | all year |
| 001 | pH | DAILY MN | >= 6 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 129 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 202 lb/d | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | report only | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | report only | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | <= 31 lb/d | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | <= 48 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 58 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 128 lb/d | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 001 | Cyanide, total [as CN] | DAILY MX | report only | all year |
| 001 | Sulfide, total [as S] | MO AVG | report only | all year |
| 001 | Sulfide, total [as S] | DAILY MX | report only | all year |
| 001 | Sulfide, total [as S] | MO AVG | <= .56 lb/d | all year |
| 001 | Sulfide, total [as S] | DAILY MX | <= 1.26 lb/d | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= .01 mg/L | Mar, Jun, Sep, Dec |
| 001 | Phenolics, total recoverable | MO AVG | report only | all year |
| 001 | Phenolics, total recoverable | DAILY MX | report only | all year |
| 001 | Phenolics, total recoverable | MO AVG | <= .69 lb/d | all year |
| 001 | Phenolics, total recoverable | DAILY MX | <= 1.43 lb/d | all year |
| 001 | Benzene | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Toxicity [acute], Ceriodaphnia dubia | MAXIMUM | <= 10 tox acute (alert) | Mar, Sep |
| 001 | Toxicity [acute], Ceriodaphnia dubia | MAXIMUM | <= 10 tox acute (alert) | Apr, Oct |
| 001 | Toxicity [acute], Pimephales promelas [Fathead Minnow] | MAXIMUM | <= 10 tox acute (alert) | Mar, Sep |
| 001 | Toxicity [acute], Pimephales promelas [Fathead Minnow] | MAXIMUM | <= 10 tox acute (alert) | Apr, Oct |
| 001 | Mercury, total recoverable | MO AVG | <= 12 ng/L | Feb, Apr, Jun, Aug, Oct, Dec |
| 001 | Mercury, total recoverable | DAILY MX | <= 20 ng/L | Feb, Apr, Jun, Aug, Oct, Dec |
| 001 | Mercury, total recoverable | MO AVG | <= .000035 lb/d | Feb, Apr, Jun, Aug, Oct, Dec |
| 001 | Mercury, total recoverable | DAILY MX | <= .000058 lb/d | Feb, Apr, Jun, Aug, Oct, Dec |
| 001 | Volatile compounds, [GC/MS] | DAILY MX | report only | all year |
| 001 | Chemical Oxygen Demand [COD] | MO AVG | report only | all year |
| 001 | Chemical Oxygen Demand [COD] | DAILY MX | report only | all year |
| 001 | Chemical Oxygen Demand [COD] | MO AVG | <= 742 lb/d | all year |
| 001 | Chemical Oxygen Demand [COD] | DAILY MX | <= 1430 lb/d | all year |
| 001 | Flow, total | MO TOTAL | report only | all year |
| 001 | TU Static 48Hr Acute Daphnia magna | MAXIMUM | <= 10 tox acute (alert) | Mar, Sep |
| 001 | TU Static 48Hr Acute Daphnia magna | MAXIMUM | <= 10 tox acute (alert) | Apr, Oct |
| 001 | TU Static 48Hr Acute Daphnia pulex | MAXIMUM | <= 10 tox acute (alert) | Mar, Sep |
| 001 | TU Static 48Hr Acute Daphnia pulex | MAXIMUM | <= 10 tox acute (alert) | Apr, Oct |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 40 mg/L | all year |
| 002 | pH | DAILY MN | >= 6 SU | all year |
| 002 | pH | DAILY MX | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | report only | all year |
| 002 | Solids, total suspended | DAILY MX | <= 28 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 002 | Sulfide, total [as S] | MO AVG | report only | all year |
| 002 | Sulfide, total [as S] | DAILY MX | report only | all year |
| 002 | Hardness, total [as CaCO3] | MO AVG | report only | all year |
| 002 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 002 | Chloride [as Cl] | MO AVG | report only | all year |
| 002 | Chloride [as Cl] | DAILY MX | report only | all year |
| 002 | Sulfate, total [as SO4] | MO AVG | report only | all year |
| 002 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 002 | Fluoride, total [as F] | MO AVG | report only | all year |
| 002 | Fluoride, total [as F] | MO AVG | report only | all year |
| 002 | Fluoride, total [as F] | DAILY MX | report only | all year |
| 002 | Zinc, total recoverable | MO AVG | report only | all year |
| 002 | Zinc, total recoverable | DAILY MX | report only | all year |
| 002 | Chromium, total recoverable | MO AVG | report only | all year |
| 002 | Chromium, total recoverable | DAILY MX | <= .01 mg/L | all year |
| 002 | Phenolics, total recoverable | MO AVG | report only | all year |
| 002 | Phenolics, total recoverable | DAILY MX | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Chemical Oxygen Demand [COD] | MO AVG | report only | all year |
| 002 | Chemical Oxygen Demand [COD] | DAILY MX | <= 300 mg/L | all year |
| 002 | Flow, total | MO TOTAL | report only | all year |
| 003 | pH | DAILY MX | report only | all year |
| 003 | pH | DAILY MX | report only | Dec |
| 003 | pH | DAILY MX | report only | Dec |
| 003 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 003 | Solids, total suspended | DAILY MX | report only | Dec |
| 003 | Solids, total suspended | DAILY MX | report only | Dec |
| 003 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 003 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 003 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 003 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 003 | Cyanide, total [as CN] | DAILY MX | report only | all year |
| 003 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 003 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 003 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 003 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 003 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 003 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 003 | Lead, total recoverable | DAILY MX | report only | all year |
| 003 | Benzene | DAILY MX | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 003 | Volatile compounds, [GC/MS] | DAILY MX | report only | all year |
| 003 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 003 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 003 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 003 | Storm water flow | DAILY MX | report only | Dec |
| 003 | Storm water flow | DAILY MX | report only | Dec |
| 003 | Flow, total | MO TOTAL | report only | all year |
| 004 | pH | DAILY MX | report only | all year |
| 004 | pH | DAILY MX | report only | Dec |
| 004 | pH | DAILY MX | report only | Dec |
| 004 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 004 | Solids, total suspended | DAILY MX | report only | Dec |
| 004 | Solids, total suspended | DAILY MX | report only | Dec |
| 004 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 004 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 004 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 004 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 004 | Cyanide, total [as CN] | DAILY MX | report only | all year |
| 004 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 004 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 004 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 004 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 004 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 004 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 004 | Lead, total recoverable | DAILY MX | report only | all year |
| 004 | Benzene | DAILY MX | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 004 | Volatile compounds, [GC/MS] | DAILY MX | report only | all year |
| 004 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 004 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 004 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 004 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 004 | Storm water flow | DAILY MX | report only | Dec |
| 004 | Storm water flow | DAILY MX | report only | Dec |
| 004 | Flow, total | MO TOTAL | report only | all year |
| 005 | pH | DAILY MX | report only | all year |
| 005 | pH | DAILY MX | report only | Dec |
| 005 | pH | DAILY MX | report only | Dec |
| 005 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 005 | Solids, total suspended | DAILY MX | report only | Dec |
| 005 | Solids, total suspended | DAILY MX | report only | Dec |
| 005 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 005 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 005 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 005 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 005 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 005 | Cyanide, total [as CN] | DAILY MX | report only | all year |
| 005 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 005 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 005 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 005 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 005 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 005 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 005 | Lead, total recoverable | DAILY MX | report only | all year |
| 005 | Benzene | DAILY MX | report only | all year |
| 005 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 005 | Volatile compounds, [GC/MS] | DAILY MX | report only | all year |
| 005 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 005 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 005 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 005 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 005 | Storm water flow | DAILY MX | report only | Dec |
| 005 | Storm water flow | DAILY MX | report only | Dec |
| 005 | Flow, total | MO TOTAL | report only | all year |
| 006 | pH | DAILY MX | report only | all year |
| 006 | pH | DAILY MX | report only | Dec |
| 006 | pH | DAILY MX | report only | Dec |
| 006 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 006 | Solids, total suspended | DAILY MX | report only | Dec |
| 006 | Solids, total suspended | DAILY MX | report only | Dec |
| 006 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 006 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 006 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 006 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 006 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 006 | Cyanide, total [as CN] | DAILY MX | report only | all year |
| 006 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 006 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 006 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 006 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 006 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 006 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 006 | Lead, total recoverable | DAILY MX | report only | all year |
| 006 | Benzene | DAILY MX | report only | all year |
| 006 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 006 | Volatile compounds, [GC/MS] | DAILY MX | report only | all year |
| 006 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 006 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 006 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 006 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 006 | Storm water flow | DAILY MX | report only | Dec |
| 006 | Storm water flow | DAILY MX | report only | Dec |
| 006 | Flow, total | MO TOTAL | report only | all year |
| 007 | pH | DAILY MX | report only | all year |
| 007 | pH | DAILY MX | report only | Dec |
| 007 | pH | DAILY MX | report only | Dec |
| 007 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 007 | Solids, total suspended | DAILY MX | report only | Dec |
| 007 | Solids, total suspended | DAILY MX | report only | Dec |
| 007 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 007 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 007 | Oil and grease, hexane extr method | DAILY MX | report only | Dec |
| 007 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 007 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 007 | Cyanide, total [as CN] | DAILY MX | report only | all year |
| 007 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 007 | Chloride [as Cl] | DAILY MX | report only | Dec |
| 007 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 007 | Fluoride, total [as F] | DAILY MX | report only | Dec |
| 007 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 007 | Zinc, total recoverable | DAILY MX | report only | Dec |
| 007 | Lead, total recoverable | DAILY MX | report only | all year |
| 007 | Benzene | DAILY MX | report only | all year |
| 007 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 007 | Volatile compounds, [GC/MS] | DAILY MX | report only | all year |
| 007 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 007 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | Dec |
| 007 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 007 | Chemical Oxygen Demand [COD] | DAILY MX | report only | Dec |
| 007 | Storm water flow | DAILY MX | report only | Dec |
| 007 | Storm water flow | DAILY MX | report only | Dec |
| 007 | Flow, total | MO TOTAL | report only | all year |
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