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Holtec Palisades LLC

Electric Services, major discharger, Covert, Michigan. NPDES permit MI0001457, in force until Oct 1, 2029. Last 12 months: over a limit once (last August 2026), 3 required values missing, 3 of 44 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: outfall 001 form A monthly (28 values), outfall 001 form D monthly (6 values), outfall 001 form F monthly (6 values), outfall INT form A monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 11 required values missing, 1 of 38 reports late

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

Period endingParameterReportedLimitOver by
August 2026Hydrazine, monthly average3.011< 3 ug/L0%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Thermal Dischargedaily maximum≤ 2100 MBTU/hrall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 100 mg/Lall year001
Solids, total suspendeddaily maximum≤ 100 mg/Lall year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 20 mg/Lall year001
Oil & Greasedaily maximum≤ 20 mg/Lall year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Oxidants, total residualinstantaneous maximum≤ 50 ug/Lall year001
Temperature, length of excursiondaily maximumreport only (min/d)all year001
Durationdaily maximumreport only (min/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 38 ug/Lall year001
Chlorine, total residualinstantaneous maximum= 300 ug/Lall year001
Chlorine, total residualdaily maximum≤ 200 ug/Lall year001
Spectrus CT 1300daily maximum< 25 ug/Lall year001
Mercury, total [as Hg]monthly averagereport only (ng/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Mercury, total [as Hg]monthly averagereport only (lb/qtr)all year001
Mercury, total [as Hg]daily maximumreport only (lb/qtr)all year001
Chlorination durationdaily maximumreport only (min/d)all year001
Chlorination durationdaily maximum= 120 min/dall year001
Hydrazinemonthly average< 3 ug/Lall year001
Hydrazinedaily maximumreport only (ug/L)all year001
Hydrazinemonthly averagereport only (lb/qtr)all year001
Hydrazinedaily maximumreport only (lb/qtr)all year001
Hydrazinedaily maximum= 32 ug/Lall year001
Hydrazinedaily maximumreport only (lb/qtr)all year001
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all yearINT
Equipment inspection - visualvaluereport only (N=0;Y=1)all yearINT
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINT
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINT

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

Same industry: the 27 Electric Services permits in Michigan.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MI0001457 · MCP: https://passage-data.com/mcp