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Hammond city of

Sewage treatment plant, Hammond, Minnesota. NPDES permit MN0066940, in force until Jan 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D003 form A1 monthly (22 values), outfall S004 form A1 monthly (14 values)
Renewal application due
Aug 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD003
pHmonthly minimum≥ 6 SUall yearD003
pHmonthly maximum≤ 9 SUall yearD003
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD003
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD003
Solids, total suspendedmonthly average≤ 2.6 kg/dall yearD003
Solids, total suspendedmaximum weekly average≤ 3.9 kg/dall yearD003
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepD003
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepD003
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepD003
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD003
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD003
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD003
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD003
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD003
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD003
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD003
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.2 kg/dall yearD003
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 3.5 kg/dall yearD003
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD003
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD003
Precipitation, total defined period/inmonthly totalreport only (in)all yearS004
pHmonthly minimumreport only (SU)all yearS004
pHmonthly maximumreport only (SU)all yearS004
Solids, total suspendedmonthly averagereport only (mg/L)all yearS004
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS004
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepS004
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepS004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepS004
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS004
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS004
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS004
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS004
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS004

How strict are these limits?

Cited limits by parameter: Minnesota'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/MN0066940 · MCP: https://passage-data.com/mcp