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Martinsville WWTP

Sewage treatment plant, major discharger, Martinsville, Indiana. NPDES permit IN0020303, in force until Jun 30, 2029. Last 12 months: over a limit once (last August 2026), 8 required values missing, 4 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form A monthly (20 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 3 of 14 reports late

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

Period endingParameterReportedLimitOver by
August 2026E. coli, colony forming units [CFU], daily maximum676 CFU/100mL≤ 235 CFU/100mL188%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 551 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 826 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 9.5 mg/Lall year001
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.3 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 174 lb/dall year001
Nitrogen, ammonia total [as N]maximum weekly average≤ 263 lb/dall year001
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
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 acuteDec001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteJan001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 16.6 tox chronicDec001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 16.6 tox chronicJan001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteDec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteJan001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 16.6 tox chronicDec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 16.6 tox chronicJan001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 459 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 734 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Cadmium, dry weightvaluereport only (mg/kg)Jun, DecPRT
Molybdenum, sludge, total, dry weight [as Mo]valuereport only (mg/kg)Jun, DecPRT
Zinc, sludge, total, dry weight [as Zn]valuereport only (mg/kg)Jun, DecPRT
Lead, sludge, total, dry weight [as Pb]valuereport only (mg/kg)Jun, DecPRT
Nickel, sludge, total, dry weight [as Ni]valuereport only (mg/kg)Jun, DecPRT
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)Jun, DecPRT

Cited limits by parameter: Indiana's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0020303 · MCP: https://passage-data.com/mcp