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City of Craig

Sewage treatment plant, Craig, Missouri. NPDES permit MO0107042 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 8 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (14 values), outfall INF form IQ quarterly (2 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 8 reports late

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

Period endingParameterReportedLimitOver by
December 2025Oil and grease [soxhlet extr.] tot., maximum annual average< 20≤ 15 mg/L33%
December 2025Oil and grease [soxhlet extr.] tot., monthly average< 20≤ 10 mg/L100%
December 2025Solids, suspended percent removal, monthly average minimum58.6≥ 65 %18%
December 2025Solids, total suspended, monthly average169≤ 70 mg/L141%
December 2025Solids, total suspended, weekly average169≤ 110 mg/L54%
December 2025pH, maximum9.25≤ 9 SU—
June 2026Solids, total suspended, monthly average150≤ 70 mg/L114%
June 2026Solids, total suspended, weekly average150≤ 110 mg/L36%

Limits in force (16)

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.maximum annual average≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]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
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.

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/MO0107042 · MCP: https://passage-data.com/mcp