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Worthington Municipal WWTP

Sewage treatment plant, Worthington, Indiana. NPDES permit IN0040801, in force until Oct 31, 2029. Last 12 months: no values over a limit, 22 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (22 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (42)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 105 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 93 lb/dall year
Solids, total suspendedmonthly average≤ 45 lb/dall year
Solids, total suspendedmaximum weekly average≤ 140 lb/dall year
Solids, total suspendedmaximum weekly average≤ 68 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 9.6 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 10.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 9.6 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 10.4 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.4 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 15.6 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.4 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 15.6 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 12.8 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 13.9 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 14 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 16 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 19.2 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 20.8 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 22 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 23 lb/dall 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
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteApr
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
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]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 33 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 38 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 53 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 60 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year
TU Static 48Hr Acute Daphnia magnamaximum≤ 1 tox acuteApr
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteApr

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/IN0040801 · MCP: https://passage-data.com/mcp