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Jasper Municipal WWTP

Sewage treatment plant, major discharger, Jasper, Indiana. NPDES permit IN0020834, in force until Apr 30, 2031. Last 12 months: over a limit 3 times (last June 2026), 2 required values missing, 2 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (27 values), form AQ quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
17 values over a limit, 2 required values missing, 1 of 20 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025pH, daily minimum5.8 SU≥ 6 SU—
November 2025pH, daily minimum5.7 SU≥ 6 SU—
June 2026Solids, total suspended, maximum weekly average2206.3 lb/d≤ 1352 lb/d63%

Limits in force (64)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 4 mg/LMay–Nov
Oxygen, dissolved [DO]daily average minimum≥ 4 mg/LJan, Feb, Mar, Apr, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 901 lb/dall year
Solids, total suspendedmaximum weekly average≤ 1352 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.2 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 4.7 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 4.8 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 7.1 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 96 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 141 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 144 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 213 lb/dJan, Feb, Mar, Apr, Dec
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Cyanide, free [as free]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cyanide, free [as free]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cyanide, free [as free]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cyanide, free [as free]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Nickel, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Nickel, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Nickel, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Nickel, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Zinc, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Zinc, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Zinc, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Zinc, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cadmium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cadmium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cadmium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Cadmium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Lead, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Lead, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Lead, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Lead, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Chromium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Chromium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Chromium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Chromium, total recoverablequarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec
Copper, total recoverablemonthly average≤ .021 mg/Lall year
Copper, total recoverabledaily maximum≤ .043 mg/Lall year
Copper, total recoverablemonthly averagereport only (mg/L)all year
Copper, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteApr, Oct
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteMay, Nov
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 2.2 tox chronicApr, Oct
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 2.2 tox chronicMay, Nov
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteApr, Oct
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteMay, Nov
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 2.2 tox chronicApr, Oct
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 2.2 tox chronicMay, Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 751 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1202 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

Cited limits by parameter: Indiana's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

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