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Winslow Municipal WWTP

Sewage treatment plant, Winslow, Indiana. NPDES permit IN0040789, in force until Mar 31, 2027. Last 12 months: over a limit 9 times (last July 2026), 2 required values missing, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (18 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 42 required values missing, 6 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], monthly average10.7 lb/d≤ 7.5 lb/d43%
January 2026Nitrogen, ammonia total [as N], maximum weekly average15.7 lb/d≤ 11.2 lb/d40%
March 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average29.4 lb/d≤ 24.7 lb/d19%
March 2026Nitrogen, ammonia total [as N], monthly average13.1 lb/d≤ 7.5 lb/d75%
March 2026Nitrogen, ammonia total [as N], maximum weekly average22.6 lb/d≤ 11.2 lb/d102%
April 2026Nitrogen, ammonia total [as N], maximum weekly average11.9 lb/d≤ 11.2 lb/d6%
May 2026Nitrogen, ammonia total [as N], monthly average8.1 lb/d≤ 7.5 lb/d8%
May 2026Nitrogen, ammonia total [as N], maximum weekly average12 lb/d≤ 11.2 lb/d7%
July 2026Solids, total suspended, maximum weekly average69.5 lb/d≤ 64.8 lb/d7%

Limits in force (18)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 105 mg/Lall year
Solids, total suspendedmonthly average≤ 43.2 lb/dall year
Solids, total suspendedmaximum weekly average≤ 64.8 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 12.1 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 18.2 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 7.5 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 11.2 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
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≤ 15.4 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 24.7 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

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/IN0040789 · MCP: https://passage-data.com/mcp