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City of Galena

Sewage treatment plant, Galena, Missouri. NPDES permit MO0107182 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 14 times (last June 2026), 2 required values missing, 1 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (20 values), outfall INF form IM monthly (2 values), outfall 001 form WA every 60 months
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 24 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, 30-day geometric mean> 2420≤ 206 #/100mL—
October 2025E. coli, 7-day geometric mean> 2420≤ 630 #/100mL—
October 2025Nitrogen, ammonia total [as N], daily maximum16.6≤ 12.1 mg/L37%
October 2025Nitrogen, ammonia total [as N], monthly average16.6≤ 2.5 mg/L564%
October 2025Phosphorus, total [as P], monthly average.87≤ .5 mg/L74%
December 2025Nitrogen, ammonia total [as N], monthly average3.18≤ 3.1 mg/L3%
January 2026Nitrogen, ammonia total [as N], monthly average6.32≤ 3.1 mg/L104%
February 2026Nitrogen, ammonia total [as N], daily maximum11.5≤ 10.1 mg/L14%
February 2026Nitrogen, ammonia total [as N], monthly average11.5≤ 2.7 mg/L326%
February 2026Phosphorus, total [as P], monthly average.72≤ .5 mg/L44%
March 2026Nitrogen, ammonia total [as N], monthly average4.53≤ 3.1 mg/L46%
June 2026E. coli, 30-day geometric mean860≤ 206 #/100mL317%
June 2026E. coli, 7-day geometric mean> 2420≤ 630 #/100mL—
June 2026Nitrogen, ammonia total [as N], monthly average3.17≤ 1.7 mg/L86%

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHminimum≥ 6.5 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, ammonia total [as N]daily maximum≤ 12.1 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan, Mar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJul001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Aug, Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJan, Mar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJul001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Aug, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LFeb001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LJun001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year001
Aluminum, total recoverabledaily maximum≤ 750 ug/Lall year001
Aluminum, total recoverablemonthly average≤ 311.3 ug/Lall 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≤ 206 #/100mLApr–Oct001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year001
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

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/MO0107182 · MCP: https://passage-data.com/mcp