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Sellersburg Municipal WWTP

Sewage treatment plant, major discharger, Sellersburg, Indiana. NPDES permit IN0020419, in force until Aug 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 1 of 13 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Feb001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Feb001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Feb001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronic (alert, not enforceable)Feb001
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov017
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec017
pHdaily minimum≥ 6 SUall year017
pHdaily maximum≤ 9 SUall year017
Solids, total suspendedmonthly average≤ 18 mg/LJan, Feb, Mar, Apr, Dec017
Solids, total suspendedmonthly average≤ 12 mg/LMay–Nov017
Solids, total suspendedmaximum weekly average≤ 27 mg/LJan, Feb, Mar, Apr, Dec017
Solids, total suspendedmaximum weekly average≤ 18 mg/LMay–Nov017
Solids, total suspendedmonthly average≤ 550 lb/dJan, Feb, Mar, Apr, Dec017
Solids, total suspendedmonthly average≤ 370 lb/dMay–Nov017
Solids, total suspendedmaximum weekly average≤ 820 lb/dJan, Feb, Mar, Apr, Dec017
Solids, total suspendedmaximum weekly average≤ 550 lb/dMay–Nov017
Nitrogen, total [as N]monthly averagereport only (mg/L)all year017
Nitrogen, total [as N]monthly averagereport only (lb/d)all year017
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LMay–Nov017
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec017
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.9 mg/LMay–Nov017
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.9 mg/LJan, Feb, Mar, Apr, Dec017
Nitrogen, ammonia total [as N]monthly average≤ 40 lb/dMay–Nov017
Nitrogen, ammonia total [as N]monthly average≤ 58 lb/dJan, Feb, Mar, Apr, Dec017
Nitrogen, ammonia total [as N]maximum weekly average≤ 59 lb/dMay–Nov017
Nitrogen, ammonia total [as N]maximum weekly average≤ 88 lb/dJan, Feb, Mar, Apr, Dec017
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year017
Phosphorus, total [as P]monthly averagereport only (lb/d)all year017
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year017
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct017
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct017
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Dec017
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Nov017
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 23 mg/LJan, Feb, Mar, Apr, Dec017
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/LMay–Nov017
BOD, carbonaceous [5 day, 20 C]monthly average≤ 460 lb/dJan, Feb, Mar, Apr, Dec017
BOD, carbonaceous [5 day, 20 C]monthly average≤ 300 lb/dMay–Nov017
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 700 lb/dJan, Feb, Mar, Apr, Dec017
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 460 lb/dMay–Nov017
Flow, totalmonthly totalreport only (Mgal/mo)all year017

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/IN0020419 · MCP: https://passage-data.com/mcp