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Xcel Energy

Electric Services, major discharger, Becker, Minnesota. NPDES permit MN0002186, in force until Jul 31, 2027. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D036 form A1 monthly (21 values), outfall D036 form A2 monthly (1 value), outfall D037 form A1 monthly (21 values), outfall D037 form A2 monthly (1 value)
Renewal application due
Feb 1, 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 32 reports late

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

Period endingParameterReportedLimitOver by
February 2026Sulfate [as S], daily maximum24926≤ 11540 kg/d116%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all yearD036
Sulfate [as S]monthly maximumreport only (mg/L)all yearD036
Sulfate [as S]daily maximum≤ 11540 kg/dall yearD036
pHmonthly minimum≥ 6 SUall yearD036
pHmonthly maximum≤ 9 SUall yearD036
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD036
Solids, total suspendedmonthly maximumreport only (mg/L)Mar, Jun, Sep, DecD036
Solids, total suspendeddaily maximum≤ 60 mg/Lall yearD036
Solids, total suspendedmonthly average≤ 573 kg/dall yearD036
Solids, total suspendeddaily maximum≤ 1146 kg/dall yearD036
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD036
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD036
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD036
Phosphorus, total [as P]annual averagereport only (mg/L)all yearD036
Oxidants, total residualdaily maximum≤ .17 mg/Lall yearD036
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD036
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD036
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD036
Solids, total dissolvedmonthly averagereport only (mg/L)all yearD036
Solids, total dissolveddaily maximum≤ 48988 kg/dall yearD036
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)Mar, Jun, Sep, DecD036
Mercury, total [as Hg]monthly maximumreport only (ng/L)Mar, Jun, Sep, DecD036
Temperature, water deg. fahrenheitmonthly maximum≤ 95 deg Fall yearD037
Sulfate [as S]monthly maximumreport only (mg/L)all yearD037
Sulfate [as S]daily maximum≤ 11540 kg/dall yearD037
pHmonthly minimum≥ 6 SUall yearD037
pHmonthly maximum≤ 9 SUall yearD037
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD037
Solids, total suspendedmonthly maximumreport only (mg/L)Mar, Jun, Sep, DecD037
Solids, total suspendeddaily maximum≤ 60 mg/Lall yearD037
Solids, total suspendedmonthly average≤ 573 kg/dall yearD037
Solids, total suspendeddaily maximum≤ 1146 kg/dall yearD037
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD037
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD037
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD037
Phosphorus, total [as P]annual averagereport only (mg/L)all yearD037
Oxidants, total residualdaily maximum≤ .17 mg/Lall yearD037
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD037
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD037
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD037
Solids, total dissolvedmonthly averagereport only (mg/L)all yearD037
Solids, total dissolveddaily maximum≤ 48988 kg/dall yearD037
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)Mar, Jun, Sep, DecD037
Mercury, total [as Hg]monthly maximumreport only (ng/L)Mar, Jun, Sep, DecD037

How strict are these limits?

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

Same industry: the 12 Electric Services 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/MN0002186 · MCP: https://passage-data.com/mcp