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Village of Hughesville

Sewage treatment plant, Hughesville, Missouri. NPDES permit MO0054089 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 11 times (last June 2026), 52 required values missing, 15 of 23 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 (2 values), outfall INF form IM monthly (2 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
8 values over a limit, 66 required values missing, 15 of 28 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], daily maximum15≤ 10.1 mg/L49%
December 2025Nitrogen, ammonia total [as N], monthly average15≤ 2.7 mg/L456%
January 2026Nitrogen, ammonia total [as N], daily maximum15≤ 2.1 mg/L614%
January 2026Nitrogen, ammonia total [as N], monthly average18.3≤ 3.1 mg/L490%
February 2026Nitrogen, ammonia total [as N], daily maximum17.8≤ 10.1 mg/L76%
February 2026Nitrogen, ammonia total [as N], monthly average17.8≤ 2.7 mg/L559%
April 2026Nitrogen, ammonia total [as N], monthly average6.27≤ 2.3 mg/L173%
April 2026Nitrogen, ammonia total [as N], monthly average6.27≤ 2.3 mg/L173%
April 2026Solids, suspended percent removal, monthly average minimum0≥ 65 %186%
April 2026Solids, suspended percent removal, monthly average minimum0≥ 65 %186%
June 2026Nitrogen, ammonia total [as N], monthly average2.05≤ 1.5 mg/L37%

Limits in force (34)

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 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 120 mg/Lall year001
Solids, total suspendedmonthly average≤ 80 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/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LFeb, Mar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 2.1 mg/LJan, Nov001
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≤ 12.1 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LFeb, Mar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LJul001
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≤ 1.5 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 2.6 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMay001
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

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/MO0054089 · MCP: https://passage-data.com/mcp