WPL - RIVERSIDE ENERGY CENTER

NPDES permit WI0061921 · Minor NON-POTW · expired, expires 2023-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2023-12-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
190required values missing, on 20 form(s)
12of 48 forms filed late

Last period with anything received: 2026-06-30. Most often over: Phosphorus, total [as P] (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (37)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Phosphorus, total [as P]ROLL AVG <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Zinc, total recoverableMO AVG <= 650 ug/L all year
001Zinc, total recoverableDAILY MX <= 650 ug/L all year
001Zinc, total recoverableDAILY MX <= 12.5 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= 38 ug/L all year
001Chlorine, total residualDAILY MX <= 38 ug/L all year
001Mercury, total recoverableQB report only all year
101pHDAILY MN >= 4 SU all year
101pHDAILY MX <= 11 SU all year
101Solids, total suspendedMO AVG <= 30 mg/L all year
101Solids, total suspendedDAILY MX <= 100 mg/L all year
101Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
101Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101pH range excursions, > 60 minutesDAILY MX <= 0 occur/d all year
102pHDAILY MN >= 4 SU all year
102pHDAILY MX <= 11 SU all year
102Zinc, total recoverableMO AVG <= 1 mg/L all year
102Zinc, total recoverableDAILY MX <= 1 mg/L all year
102Chromium, total recoverableMO AVG <= .2 mg/L all year
102Chromium, total recoverableDAILY MX <= .2 mg/L all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
102pH range excursions, > 60 minutesDAILY MX <= 0 occur/d all year
102pH range excursions, monthly total accumMO TOTAL <= 446 min all year
701Flow, in conduit or thru treatment plantMO AVG report only all year
701Flow, in conduit or thru treatment plantDAILY MX report only all year
701Mercury, total recoverableQB report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states