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Morristown WWTP

Sewage treatment plant, Morristown, Indiana. NPDES permit IN0023841, in force until Aug 31, 2027. Last 12 months: over a limit 21 times (last June 2026), 4 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (22 values), form AQ quarterly (24 values), form TX yearly (8 values)
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 2 of 20 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
March 2026BOD, carbonaceous [5 day, 20 C], monthly average101.8 mg/L≤ 25 mg/L307%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average359.7 lb/d≤ 125.2 lb/d187%
March 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average155.5 mg/L≤ 40 mg/L289%
March 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average583.1 lb/d≤ 200.3 lb/d191%
March 2026Nitrogen, ammonia total [as N], monthly average16.5 mg/L≤ 10.4 mg/L59%
March 2026Nitrogen, ammonia total [as N], monthly average53.2 lb/d≤ 52.1 lb/d2%
March 2026Nitrogen, ammonia total [as N], maximum weekly average20.5 mg/L≤ 15.6 mg/L31%
March 2026Solids, total suspended, monthly average36.3 mg/L≤ 30 mg/L21%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average200.6 lb/d≤ 125.2 lb/d60%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average64.3 mg/L≤ 25 mg/L157%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average242.1 mg/L≤ 40 mg/L505%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average720.3 lb/d≤ 200.3 lb/d260%
April 2026Nitrogen, ammonia total [as N], monthly average15.5 mg/L≤ 10.4 mg/L49%
April 2026Nitrogen, ammonia total [as N], maximum weekly average109.9 lb/d≤ 78.1 lb/d41%
April 2026Nitrogen, ammonia total [as N], maximum weekly average39.9 mg/L≤ 15.6 mg/L156%
April 2026Solids, total suspended, monthly average32.2 mg/L≤ 30 mg/L7%
April 2026Solids, total suspended, maximum weekly average81.4 mg/L≤ 45 mg/L81%
May 2026E. coli, colony forming units [CFU], daily maximum437 CFU/100mL≤ 235 CFU/100mL86%
June 2026Solids, total suspended, monthly average36.8 mg/L≤ 30 mg/L23%
June 2026Solids, total suspended, maximum weekly average342 lb/d≤ 225.3 lb/d52%
June 2026Solids, total suspended, maximum weekly average87.5 mg/L≤ 45 mg/L94%

Limits in force (72)

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≤ 150.2 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 225.3 lb/dall year001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 10.4 mg/Lall year001
Nitrogen, ammonia total [as N]maximum weekly average≤ 15.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 52.1 lb/dall year001
Nitrogen, ammonia total [as N]maximum weekly average≤ 78.1 lb/dall year001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phenolsdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phenolsdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phenolsdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phenolsdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
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
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 acuteAug001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteSep001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteSep001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 8.1 tox chronicAug001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 8.1 tox chronicSep001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 8.1 tox chronicSep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteAug001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteSep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteSep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 8.1 tox chronicAug001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 8.1 tox chronicSep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 8.1 tox chronicSep001
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≤ 125.2 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 200.3 lb/dall 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/IN0023841 · MCP: https://passage-data.com/mcp