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Amo-Coatesville CD WWTP

Sewage treatment plant, Coatesville, Indiana. NPDES permit IN0043877, in force until Jul 31, 2027. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (19 values)
Renewal application due
Feb 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 3 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026E. coli, colony forming units [CFU], daily maximum500 CFU/100mL≤ 235 CFU/100mL113%

Limits in force (32)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 24 mg/LMay–Nov
Solids, total suspendedmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 36 mg/LMay–Nov
Solids, total suspendedmonthly average≤ 24.5 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 19.6 lb/dMay–Nov
Solids, total suspendedmaximum weekly average≤ 36.7 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 29.4 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.9 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.8 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.1 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.5 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.5 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.3 lb/dJan, Feb, Mar, Apr, Dec
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/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 30 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20.4 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 16.3 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 32.6 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 24.5 lb/dMay–Nov
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/IN0043877 · MCP: https://passage-data.com/mcp