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Dominion Energy Kewaunee, Inc.

Electric Services, major discharger, Kewaunee, Wisconsin. NPDES permit WI0001571, in force until Aug 31, 2029. Last 12 months: no values over a limit, 6 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: outfall 001 form A monthly (5 values), outfall 001 form Q quarterly (2 values), outfall 108 form Q quarterly (1 value), outfall 701 form A monthly (1 value)
Last report on file: June 2026
Oct 2024 – Sep 2025: 0 values over a limit, 75 required values missing, 0 of 35 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months	Outfall
pH	daily minimum	≥ 6 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Phosphorus, total [as P]	6-month average	≤ .6 mg/L	all year	001
Arsenic, total recoverable	quarterly maximum	report only (ug/L)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly maximum	report only (MGD)	all year	001
Mercury, total recoverable	quarterly maximum	report only (ng/L)	all year	001
Mercury, total recoverable	quarterly maximum	report only (ng/L)	all year	108
Flow, in conduit or thru treatment plant	daily maximum	≤ 107 MGD	all year	701

How strict are these limits?

pH, daily minimum at least 6 SU — stricter than 58% of 29 other major industrial and other permits in Wisconsin; 41% have the same limit
pH, daily maximum 9 SU — stricter than 24% of 29 other major industrial and other permits in Wisconsin; 76% have the same limit

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

Same industry: the 17 Electric Services permits in Wisconsin.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0001571 · MCP: https://passage-data.com/mcp