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Hennepin County Dept of Environment and Energy

Refuse Systems, Minneapolis, Minnesota. NPDES permit MN0057525, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: form A1 monthly (13 values), form A2 monthly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (14)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly maximum≤ 122 deg Fall year
pHmonthly minimum≥ 6 SUall year
pHmonthly maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]annual total≤ 258 kg/yrall year
Sulfate, total [as SO4]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all year
Chlorine, total residualdaily maximum≤ .038 mg/Lall year

Cited limits by parameter: Minnesota's rules and the federal ones.

Same industry: the 3 Refuse Systems permits in Minnesota.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0057525 · MCP: https://passage-data.com/mcp