Passage Data · Check a report · Use it from your AI

Richmond WWTP

Sewage treatment plant, major discharger, Richmond, Indiana. NPDES permit IN0025615, in force until Feb 28, 2031. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (30 values), outfall 001 form AQ quarterly (20 values), outfall 001 form TX twice a year (8 values), outfall 002 form C monthly (4 values), outfall 004 form C monthly (4 values), outfall 005 form C monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 8 required values missing, 3 of 56 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, colony forming units [CFU], daily maximum547.5 CFU/100mL≤ 235 CFU/100mL133%

Limits in force (87)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 7 mg/LMay–Nov001
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LJan, Feb, Mar, Apr, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 24 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 10 mg/LMay–Nov001
Solids, total suspendedmaximum weekly average≤ 36 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 15 mg/LMay–Nov001
Solids, total suspendedmonthly average≤ 7206 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 3002 lb/dMay–Nov001
Solids, total suspendedmaximum weekly average≤ 10809 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 4504 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≤ .9 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.4 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.1 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 270 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 420 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 420 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 631 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
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cyanide, free [as free]daily 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
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
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverablemonthly averagereport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverablemonthly averagereport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)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 acute (alert, not enforceable)Feb, Aug001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Mar, Sep001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Mar, Sep001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Feb, Aug001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Mar, Sep001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Mar, Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Feb, Aug001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Mar, Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Mar, Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronic (alert, not enforceable)Feb, Aug001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronic (alert, not enforceable)Mar, Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronic (alert, not enforceable)Mar, Sep001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6005 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3002 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 9007 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 4504 lb/dMay–Nov001
Phosphorus, total percent removalmonthly average minimum≥ 80 %all year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Durationmonthly totalreport only (hr/mo)all year002
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year002
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year002
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year002
Durationmonthly totalreport only (hr/mo)all year004
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year004
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year004
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year004
Durationmonthly totalreport only (hr/mo)all year005
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year005
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year005
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year005

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0025615 · MCP: https://passage-data.com/mcp