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City of Adrian

Sewage treatment plant, Adrian, Missouri. NPDES permit MO0112623, in force until Mar 31, 2028. Last 12 months: over a limit 12 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (14 values), outfall 001 form Q quarterly (8 values), outfall INF form IM monthly (2 values), outfall INF form IQ quarterly (8 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
30 values over a limit, 24 required values missing, 12 of 32 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, percent removal, monthly average minimum52.5≥ 65 %36%
October 2025Nitrogen, ammonia total [as N], monthly average2.824≤ 2.6 mg/L9%
October 2025Solids, suspended percent removal, monthly average minimum59.5≥ 65 %16%
December 2025Solids, suspended percent removal, monthly average minimum59.6≥ 65 %15%
January 2026Solids, suspended percent removal, monthly average minimum50≥ 65 %43%
February 2026Solids, suspended percent removal, monthly average minimum41≥ 65 %69%
March 2026Solids, suspended percent removal, monthly average minimum63≥ 65 %6%
April 2026Solids, suspended percent removal, monthly average minimum31.25≥ 65 %96%
May 2026E. coli, 30-day geometric mean278≤ 206 #/100mL35%
May 2026E. coli, 7-day geometric mean3850≤ 1030 #/100mL274%
May 2026Solids, suspended percent removal, monthly average minimum3.2≥ 65 %177%
July 2026Solids, suspended percent removal, monthly average minimum6.9≥ 65 %166%

Limits in force (48)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 110 mg/Lall year001
Solids, total suspendedmonthly average≤ 70 mg/Lall year001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan, Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LFeb, Mar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJan, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LFeb, Mar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 2.6 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LSep001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. coli7-day geometric mean≤ 1030 #/100mLApr–Oct001
E. coli30-day geometric mean≤ 206 #/100mLApr–Oct001
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearINF
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearINF
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all yearINF
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearINF
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all yearINF
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearINF
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearINF
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearINF

How strict are these limits?

Cited limits by parameter: Missouri'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/MO0112623 · MCP: https://passage-data.com/mcp