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Plainfield North Water Pollution Control

Sewage treatment plant, major discharger, Plainfield, Indiana. NPDES permit IN0021202, in force until Apr 30, 2028. Last 12 months: over a limit 7 times (last August 2026), 1 required value missing, 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (25 values), outfall 006 form CP monthly (11 values)
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025001pH, daily maximum9.9 SU≤ 9 SU—
May 2026006E. coli, colony forming units [CFU], daily maximum63200 CFU/100mL≤ 235 CFU/100mL26794%
May 2026006E. coli, colony forming units [CFU], monthly geometric mean596 CFU/100mL≤ 125 CFU/100mL377%
June 2026006E. coli, colony forming units [CFU], daily maximum8316 CFU/100mL≤ 235 CFU/100mL3439%
June 2026006E. coli, colony forming units [CFU], monthly geometric mean4173 CFU/100mL≤ 125 CFU/100mL3238%
August 2026006E. coli, colony forming units [CFU], daily maximum10353 CFU/100mL≤ 235 CFU/100mL4306%
August 2026006E. coli, colony forming units [CFU], monthly geometric mean574 CFU/100mL≤ 125 CFU/100mL359%

Limits in force (57)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov001
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 18 mg/LMay–Nov001
Solids, total suspendedmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 27 mg/LMay–Nov001
Solids, total suspendedmonthly average≤ 1502 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 901 lb/dMay–Nov001
Solids, total suspendedmaximum weekly average≤ 2253 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 1353 lb/dMay–Nov001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 3 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 4.5 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 100.1 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 150.2 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 150.2 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 225.3 lb/dJan, Feb, Mar, Apr, Dec001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualmonthly average< .06 mg/LApr–Oct001
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteOct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteNov001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.2 tox chronicOct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.2 tox chronicNov001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteOct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteNov001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.2 tox chronicOct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.2 tox chronicNov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 23 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1252 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 751 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 2003 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1152 lb/dMay–Nov001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHdaily minimumreport only (SU)all year006
pHdaily maximumreport only (SU)all year006
Solids, total suspendedmonthly averagereport only (mg/L)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct006
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct006
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year006
Flow, totalmonthly totalreport only (Mgal/mo)all year006

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/IN0021202 · MCP: https://passage-data.com/mcp