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Town of Milford WWTP

Sewage treatment plant, Milford, Indiana. NPDES permit IN0038318, in force until Jan 31, 2031. Last 12 months: over a limit 5 times (last June 2026), 6 required values missing, 1 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (28 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 5 required values missing, 3 of 16 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], daily maximum18 mg/L≤ 13.2 mg/L36%
April 2026Chlorine, total residual, daily maximum.1 mg/L< .06 mg/L67%
April 2026Chlorine, total residual, monthly average.091 lb/d≤ .04 lb/d128%
May 2026Chlorine, total residual, daily maximum.06 mg/L< .06 mg/L0%
June 2026Chlorine, total residual, daily maximum.06 mg/L< .06 mg/L0%

Limits in force (59)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 4 mg/LJan, Feb, Mar, Apr, Dec001
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LMay–Nov001
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≤ 62.6 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 93.9 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 5.4 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 5.7 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 12.5 mg/LMay–Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 13.2 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 11.3 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 11.9 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 26.1 lb/dMay–Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 27.5 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≤ .02 mg/LApr–Oct001
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct001
Chlorine, total residualmonthly average≤ .04 lb/dApr–Oct001
Chlorine, total residualdaily maximum< .13 lb/dApr–Oct001
Chlorine, total residualdaily minimum≥ .5 mg/LApr–Oct001
Chlorine, total residualdaily maximumreport only (mg/L)Apr–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 acute (alert, not enforceable)Jan001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Feb001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Feb001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 4.5 tox chronic (alert, not enforceable)Jan001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 4.5 tox chronic (alert, not enforceable)Feb001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 4.5 tox chronic (alert, not enforceable)Feb001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Feb001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Feb001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 4.5 tox chronic (alert, not enforceable)Jan001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 4.5 tox chronic (alert, not enforceable)Feb001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 4.5 tox chronic (alert, not enforceable)Feb001
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≤ 52.2 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 83.5 lb/dall year001
Phosphorus, total percent removalmonthly average minimumreport only (%)all year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Cadmium, 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
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
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
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
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
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)Jun, DecPRT

How strict are these limits?

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/IN0038318 · MCP: https://passage-data.com/mcp