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Belfield City Of

Sewage treatment plant, Belfield, North Dakota. NPDES permit ND0022144, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 32 days after each period: form A twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 15 required values missing, 1 of 2 reports late

Limits in force (16)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cdaily minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily minimumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 45 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]daily minimumreport only (mg/L)all year
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
E. colidaily minimumreport only (#/100mL)all year
E. coli30-day geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 409 #/100mLall year
Flow, totaltotalreport only (Mgal)all year
Duration of dischargetotalreport only (d)all year

How strict are these limits?

Cited limits by parameter: North Dakota'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/ND0022144 · MCP: https://passage-data.com/mcp