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City of Newburg

Sewage treatment plant, Newburg, Missouri. NPDES permit MO0021784 expired Sep 30, 2023; its limits still apply. Last 12 months: over a limit 14 times (last June 2026), 70 required values missing, 2 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (14 values), form B quarterly (2 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
4 values over a limit, 44 required values missing, 4 of 16 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], monthly average7.4≤ 2.3 mg/L222%
January 2026Nitrogen, ammonia total [as N], monthly average8.6≤ 2.3 mg/L274%
January 2026Solids, suspended percent removal, monthly average minimum69≥ 85 %107%
February 2026Solids, suspended percent removal, monthly average minimum83.5≥ 85 %10%
February 2026Solids, suspended percent removal, monthly average minimum83.5≥ 85 %10%
April 2026Solids, total suspended, monthly average69≤ 30 mg/L130%
April 2026Solids, total suspended, monthly average69≤ 30 mg/L130%
April 2026Solids, total suspended, weekly average69≤ 45 mg/L53%
April 2026Solids, total suspended, weekly average69≤ 45 mg/L53%
June 2026BOD, 5-day, 20 deg. C, monthly average31≤ 30 mg/L3%
June 2026BOD, 5-day, percent removal, monthly average minimum82.9≥ 85 %14%
June 2026Nitrogen, ammonia total [as N], daily maximum7.12≤ 5.4 mg/L32%
June 2026Nitrogen, ammonia total [as N], monthly average7.12≤ 1.3 mg/L448%
June 2026Solids, suspended percent removal, monthly average minimum52≥ 85 %220%

Limits in force (18)

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, ammonia total [as N]daily maximum≤ 12 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.4 mg/LApr–Sep
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LApr–Sep
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≤ 630 #/100mLApr–Oct
E. coli30-day geometric mean≤ 126 #/100mLApr–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

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/MO0021784 · MCP: https://passage-data.com/mcp