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Selma Village SD of Jefferson Co

Sewage treatment plant, Crystal City, Missouri. NPDES permit MO0088854 expired Jun 30, 2022; its limits still apply. Last 12 months: over a limit 49 times (last August 2026), 26 required values missing, 5 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (14 values), form B quarterly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
38 values over a limit, 0 required values missing, 4 of 16 reports late

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

All 49 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, 30-day geometric mean8800≤ 206 #/100mL4172%
October 2025E. coli, 30-day geometric mean8800≤ 206 #/100mL4172%
October 2025E. coli, 7-day geometric mean8800≤ 1030 #/100mL754%
October 2025E. coli, 7-day geometric mean8800≤ 1030 #/100mL754%
November 2025Nitrogen, ammonia total [as N], daily maximum25.17≤ 6.6 mg/L281%
November 2025Nitrogen, ammonia total [as N], daily maximum25.17≤ 6.6 mg/L281%
November 2025Nitrogen, ammonia total [as N], monthly maximum25.17≤ 2.9 mg/L768%
November 2025Nitrogen, ammonia total [as N], monthly maximum25.17≤ 2.9 mg/L768%
December 2025Nitrogen, ammonia total [as N], daily maximum22.19≤ 6.6 mg/L236%
December 2025Nitrogen, ammonia total [as N], monthly maximum22.19≤ 2.9 mg/L665%
January 2026Nitrogen, ammonia total [as N], daily maximum39.99≤ 6.6 mg/L506%
January 2026Nitrogen, ammonia total [as N], monthly maximum39.99≤ 2.9 mg/L1279%
February 2026Nitrogen, ammonia total [as N], daily maximum45.67≤ 6.6 mg/L592%
February 2026Nitrogen, ammonia total [as N], monthly maximum45.67≤ 2.9 mg/L1475%
March 2026Nitrogen, ammonia total [as N], daily maximum24.8≤ 6.6 mg/L276%
March 2026Nitrogen, ammonia total [as N], monthly maximum24.8≤ 2.9 mg/L755%
April 2026E. coli, 30-day geometric mean1605≤ 206 #/100mL679%
April 2026E. coli, 7-day geometric mean1605≤ 1030 #/100mL56%
April 2026Nitrogen, ammonia total [as N], daily maximum30.21≤ 3.6 mg/L739%
April 2026Nitrogen, ammonia total [as N], monthly average30.21≤ 1.4 mg/L2058%
May 2026E. coli, 30-day geometric mean6123≤ 206 #/100mL2872%
May 2026E. coli, 7-day geometric mean9800≤ 1030 #/100mL851%
May 2026Nitrogen, ammonia total [as N], daily maximum18.79≤ 3.6 mg/L422%
May 2026Nitrogen, ammonia total [as N], monthly average18.79≤ 1.4 mg/L1242%
May 2026Solids, suspended percent removal, monthly average minimum0≥ 65 %186%
May 2026Solids, total suspended, monthly average150≤ 30 mg/L400%
May 2026Solids, total suspended, weekly average150≤ 45 mg/L233%
June 2026E. coli, 30-day geometric mean1725≤ 206 #/100mL737%
June 2026E. coli, 7-day geometric mean4600≤ 1030 #/100mL347%
June 2026Nitrogen, ammonia total [as N], daily maximum19.25≤ 3.6 mg/L435%
June 2026Nitrogen, ammonia total [as N], monthly average19.25≤ 1.4 mg/L1275%
July 2026BOD, 5-day, 20 deg. C, monthly average45≤ 30 mg/L50%
July 2026BOD, 5-day, percent removal, monthly average minimum62≥ 65 %9%
July 2026E. coli, 30-day geometric mean3740≤ 206 #/100mL1716%
July 2026E. coli, 7-day geometric mean6100≤ 1030 #/100mL492%
July 2026Nitrogen, ammonia total [as N], daily maximum24.16≤ 3.6 mg/L571%
July 2026Nitrogen, ammonia total [as N], monthly average24.16≤ 1.4 mg/L1626%
July 2026Solids, suspended percent removal, monthly average minimum43≥ 65 %63%
July 2026Solids, total suspended, monthly average60≤ 30 mg/L100%
July 2026Solids, total suspended, weekly average60≤ 45 mg/L33%
August 2026BOD, 5-day, 20 deg. C, monthly average46≤ 30 mg/L53%
August 2026BOD, 5-day, 20 deg. C, weekly average46≤ 45 mg/L2%
August 2026BOD, 5-day, percent removal, monthly average minimum63≥ 65 %6%
August 2026E. coli, 30-day geometric mean2975≤ 206 #/100mL1344%
August 2026E. coli, 7-day geometric mean4100≤ 1030 #/100mL298%
August 2026Nitrogen, ammonia total [as N], daily maximum10.18≤ 3.6 mg/L183%
August 2026Nitrogen, ammonia total [as N], monthly average10.18≤ 1.4 mg/L627%
August 2026Solids, suspended percent removal, monthly average minimum63≥ 65 %6%
August 2026Solids, total suspended, monthly average35≤ 30 mg/L17%

Limits in force (22)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximum≤ 6.6 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 mg/LApr–Sep
Nitrogen, ammonia total [as N]monthly maximum≤ 2.9 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LApr–Sep
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. coli7-day geometric mean≤ 1030 #/100mLApr–Oct
E. coli30-day geometric mean≤ 206 #/100mLApr–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year

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/MO0088854 · MCP: https://passage-data.com/mcp