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Kouts Municipal WWTP

Sewage treatment plant, Kouts, Indiana. NPDES permit IN0023400, in force until Oct 31, 2029. Last 12 months: no values over a limit, 1 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values), form AQ quarterly
Last report on file
July 2026
Oct 2024 – Sep 2025
3 values over a limit, 8 required values missing, 2 of 16 reports late

Limits in force (59)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 82.6 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 123.9 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.51 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.27 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 3.45 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 6.3 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 6.3 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 9.5 lb/dJan, Feb, Mar, Apr, Dec001
Zinc, total recoverablemonthly averagereport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (mg/L)all year001
Zinc, total recoverablemonthly averagereport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverablemonthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverablemonthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteNov001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteNov001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteOct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.3 tox chronicNov001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.3 tox chronicNov001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.3 tox chronicOct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteNov001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteNov001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteOct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.3 tox chronicNov001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.3 tox chronicNov001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.3 tox chronicOct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 68.8 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 110.2 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Cadmium, dry weightvaluereport only (mg/kg)Jun, DecPRT
Cadmium, dry weightvaluereport only (mg/kg)Jun, DecPRT
Molybdenum, sludge, total, dry weight [as Mo]valuereport only (mg/kg)Jun, DecPRT
Molybdenum, sludge, total, dry weight [as Mo]valuereport only (mg/kg)Jun, DecPRT
Zinc, sludge, total, dry weight [as Zn]valuereport only (mg/kg)Jun, DecPRT
Zinc, sludge, total, dry weight [as Zn]valuereport only (mg/kg)Jun, DecPRT
Lead, sludge, total, dry weight [as Pb]valuereport only (mg/kg)Jun, DecPRT
Lead, sludge, total, dry weight [as Pb]valuereport only (mg/kg)Jun, DecPRT
Nickel, sludge, total, dry weight [as Ni]valuereport only (mg/kg)Jun, DecPRT
Nickel, sludge, total, dry weight [as Ni]valuereport only (mg/kg)Jun, DecPRT
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)Jun, DecPRT
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)Jun, DecPRT

New limits from Nov 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Zinc, total recoverable, daily maximum0.67 mg/Lnew0.069 mg/L (10 values)0.103×
Zinc, total recoverable, monthly average0.34 mg/Lnew0.0725 mg/L (10 values)0.213×

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

Your permit document is the final word. As JSON: /api/v1/permits/IN0023400 · MCP: https://passage-data.com/mcp