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Huntingburg WWTP

Sewage treatment plant, major discharger, Huntingburg, Indiana. NPDES permit IN0023124, in force until May 31, 2031. Last 12 months: over a limit 4 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 3 required values missing, 2 of 12 reports late

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

Period endingOutfallParameterReportedLimitOver by
April 2026001Phosphorus, total [as P], monthly average1.104 mg/L≤ 1 mg/L10%
June 2026002Oxygen, dissolved [DO], daily average minimum2.9 mg/L≥ 6 mg/L52%
July 2026002Nitrogen, ammonia total [as N], weekly average2.036 mg/L≤ 1.6 mg/L27%
September 2026002Phosphorus, total [as P], monthly average1.166 mg/L≤ 1 mg/L17%

Limits in force (35)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 12 mg/Lall year
Solids, total suspendedweekly average≤ 18 mg/Lall year
Solids, total suspendedmonthly average≤ 350 lb/dall year
Solids, total suspendedweekly average≤ 520 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≤ 1.1 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.6 mg/LMay–Nov
Nitrogen, ammonia total [as N]weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 32 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 46 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]weekly average≤ 46 lb/dMay–Nov
Nitrogen, ammonia total [as N]weekly average≤ 69 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
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 acuteNov
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteDec
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronicNov
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronicDec
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteNov
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteDec
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicNov
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicDec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 290 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 430 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

Your permit document is the final word. As JSON: /api/v1/permits/IN0023124 · MCP: https://passage-data.com/mcp