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City of Verona

Sewage treatment plant, Verona, Missouri. NPDES permit MO0092525, in force until Jan 31, 2030. Last 12 months: over a limit 28 times (last August 2026), 5 of 31 reports late. 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 (10 values), outfall INF form IM monthly (2 values), outfall INF form IQ quarterly (8 values), outfall SM1 form UM quarterly (8 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 4 of 36 reports late

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

All 28 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, 30-day geometric mean2074≤ 126 #/100mL1546%
October 2025E. coli, 7-day geometric mean2420≤ 630 #/100mL284%
October 2025Nitrogen, ammonia total [as N], daily maximum13.2≤ 8.2 mg/L61%
October 2025Nitrogen, ammonia total [as N], monthly average13.2≤ 1.6 mg/L725%
October 2025Solids, total suspended, monthly average40≤ 30 mg/L33%
November 2025Nitrogen, ammonia total [as N], daily maximum16.9≤ 8.2 mg/L106%
November 2025Nitrogen, ammonia total [as N], monthly average16.9≤ 1.6 mg/L956%
February 2026BOD, 5-day, 20 deg. C, monthly average32≤ 30 mg/L7%
February 2026BOD, 5-day, percent removal, monthly average minimum74≥ 85 %73%
February 2026Nitrogen, ammonia total [as N], daily maximum20.6≤ 8.2 mg/L151%
February 2026Nitrogen, ammonia total [as N], monthly average20.6≤ 1.6 mg/L1188%
March 2026BOD, 5-day, 20 deg. C, monthly average62≤ 30 mg/L107%
March 2026BOD, 5-day, 20 deg. C, weekly average62≤ 45 mg/L38%
March 2026BOD, 5-day, percent removal, monthly average minimum74≥ 85 %73%
March 2026Nitrogen, ammonia total [as N], daily maximum20.2≤ 8.2 mg/L146%
March 2026Nitrogen, ammonia total [as N], monthly average20.2≤ 1.6 mg/L1163%
March 2026Solids, suspended percent removal, monthly average minimum83≥ 85 %13%
March 2026Solids, total suspended, monthly average76≤ 30 mg/L153%
March 2026Solids, total suspended, weekly average76≤ 45 mg/L69%
June 2026E. coli, 30-day geometric mean469≤ 126 #/100mL272%
June 2026E. coli, 7-day geometric mean2420≤ 630 #/100mL284%
July 2026BOD, 5-day, percent removal, monthly average minimum81≥ 85 %27%
July 2026E. coli, 30-day geometric mean224≤ 126 #/100mL78%
July 2026E. coli, 7-day geometric mean2420≤ 630 #/100mL284%
July 2026Nitrogen, ammonia total [as N], daily maximum10.2≤ 8.2 mg/L24%
July 2026Nitrogen, ammonia total [as N], monthly average10.2≤ 1.6 mg/L538%
July 2026Solids, total suspended, monthly average40≤ 30 mg/L33%
August 2026E. coli, 7-day geometric mean727≤ 630 #/100mL15%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 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, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximum≤ 8.2 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/Lall year001
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≤ 630 #/100mLApr–Oct001
E. coli30-day geometric mean≤ 126 #/100mLApr–Oct001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %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
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearSM1
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearSM1
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all yearSM1
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearSM1
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all yearSM1
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearSM1
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearSM1
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearSM1

How strict are these limits?

Cited limits by parameter: Missouri's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0092525 · MCP: https://passage-data.com/mcp