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Xcel Energy, Inc

Electric Services, major discharger, Monticello, Minnesota. NPDES permit MN0000868, in force until Apr 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D002 form A1 monthly (12 values), outfall D002 form A2 monthly (1 value), outfall D002 form A3 monthly (1 value), outfall D005 form A1 monthly (3 values), outfall W007 form A1 monthly (7 values)
Renewal application due
Nov 2, 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 61 reports late

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 95 deg FApr–OctD002
Temperature, water deg. fahrenheitdaily maximum≤ 85 deg FMar, NovD002
Temperature, water deg. fahrenheitdaily maximum≤ 80 deg FJan, Feb, DecD002
Plant capacity fact. percent of capacitymonthly averagereport only (%)all yearD002
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD002
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD002
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD002
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD002
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD002
Phosphorus, total [as P]annual totalreport only (kg/yr)all yearD002
Oxidants, total residualinstantaneous maximumreport only (mg/L)all yearD002
Oxidants, total residualdaily maximum≤ .05 mg/Lall yearD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD002
Chlorine, total residualdaily maximum≤ .2 mg/Lall yearD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD005
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD005
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD005
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)all yearW007
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all yearW007
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all yearW007
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecW007
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecW007
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecW007
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearW007

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.

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/MN0000868 · MCP: https://passage-data.com/mcp