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Speedway WWTP

Sewage treatment plant, major discharger, Speedway, Indiana. NPDES permit IN0032972, in force until Nov 30, 2027. Last 12 months: over a limit 24 times (last August 2026), 3 of 29 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (23 values), outfall 001 form AQ quarterly (28 values), outfall 002 form C monthly (4 values)
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
28 values over a limit, 0 required values missing, 1 of 32 reports late

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

All 24 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average1.9 mg/L≤ 1.5 mg/L27%
October 2025Nitrogen, ammonia total [as N], maximum weekly average3.1 mg/L≤ 2.3 mg/L35%
January 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average24.6 mg/L≤ 21 mg/L17%
January 2026Nitrogen, ammonia total [as N], maximum weekly average2.57 mg/L≤ 2.4 mg/L7%
January 2026Solids, total suspended, monthly average21.9 mg/L≤ 18 mg/L22%
January 2026Solids, total suspended, maximum weekly average35.9 mg/L≤ 27 mg/L33%
February 2026Solids, total suspended, monthly average25.2 mg/L≤ 18 mg/L40%
February 2026Solids, total suspended, maximum weekly average29.8 mg/L≤ 27 mg/L10%
March 2026Solids, total suspended, monthly average20.3 mg/L≤ 18 mg/L13%
March 2026Solids, total suspended, maximum weekly average34.5 mg/L≤ 27 mg/L28%
May 2026Nitrogen, ammonia total [as N], monthly average121 lb/d≤ 111 lb/d9%
May 2026Nitrogen, ammonia total [as N], monthly average2.37 mg/L≤ 1.5 mg/L58%
May 2026Nitrogen, ammonia total [as N], maximum weekly average277 lb/d≤ 171 lb/d62%
May 2026Nitrogen, ammonia total [as N], maximum weekly average5.17 mg/L≤ 2.3 mg/L125%
May 2026Solids, total suspended, monthly average16 mg/L≤ 15 mg/L7%
June 2026Nitrogen, ammonia total [as N], maximum weekly average2.8 mg/L≤ 2.3 mg/L22%
June 2026Solids, total suspended, monthly average19.8 mg/L≤ 15 mg/L32%
June 2026Solids, total suspended, maximum weekly average25.3 mg/L≤ 23 mg/L10%
July 2026Nitrogen, ammonia total [as N], monthly average2.31 mg/L≤ 1.5 mg/L54%
July 2026Nitrogen, ammonia total [as N], maximum weekly average4 mg/L≤ 2.3 mg/L74%
July 2026Solids, total suspended, monthly average19.1 mg/L≤ 15 mg/L27%
July 2026Solids, total suspended, maximum weekly average36.4 mg/L≤ 23 mg/L58%
August 2026Nitrogen, ammonia total [as N], maximum weekly average2.38 mg/L≤ 2.3 mg/L3%
August 2026Solids, total suspended, monthly average19.4 mg/L≤ 15 mg/L29%

Limits in force (80)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LMay–Nov001
Oxygen, dissolved [DO]daily average minimum≥ 4 mg/LJan, Feb, Mar, Apr, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 18 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 15 mg/LMay–Nov001
Solids, total suspendedmaximum weekly average≤ 27 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 23 mg/LMay–Nov001
Solids, total suspendedmonthly average≤ 1337 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 1114 lb/dMay–Nov001
Solids, total suspendedmaximum weekly average≤ 2005 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 1708 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≤ 1.5 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.3 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 111 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 119 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 171 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 178 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
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, 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 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
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 toxicMay, Nov001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 toxicJun, Dec001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 toxicJun, Dec001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.1 toxicMay, Nov001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.1 toxicJun, Dec001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.1 toxicJun, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 toxicMay, Nov001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 toxicJun, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 toxicJun, Dec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.1 toxicMay, Nov001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.1 toxicJun, Dec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.1 toxicJun, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 14 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 12 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 21 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 18 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1040 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 891 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1560 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1337 lb/dMay–Nov001
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

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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Your permit document is the final word. As JSON: /api/v1/permits/IN0032972 · MCP: https://passage-data.com/mcp