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Belle Fourche, City of

Sewage treatment plant, Belle Fourche, South Dakota. NPDES permit SD0021628, in force until Apr 30, 2028. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form N
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
None in EPA's file for the last 12 months; that may be EPA's gap, not the facility's

Limits in force (12)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year
Flow ratemonthly maximumreport only (MGD)all year
BOD, 5-day, 20 deg. Cmonthly maximumreport only (mg/L)all year
pHmonthly minimumreport only (SU)all year
pHmonthly maximumreport only (SU)all year
Solids, total suspendedmonthly maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly maximumreport only (mg/L)all year
E. coli, colony forming units [CFU]monthly maximumreport only (#/100mL)all year
Flow, totalmonthly totalreport only (Mgal)all year
Duration of dischargemonthly totalreport only (d)all year

Cited limits by parameter: South 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/SD0021628 · MCP: https://passage-data.com/mcp