COOPERATIVE ENERGY, SYLVARENA GENERATING PLANT

NPDES permit MS0058050 · Minor NON-POTW · effective, expires 2028-02-29 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MS permits in EPA's filings — check your permit).

Limits in force (36)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 28 lb/d all year
001Solids, total suspendedDAILY MX <= 42 lb/d all year
001Oil & GreaseMO AVG <= 5 mg/L all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Oil & GreaseMO AVG <= 4.67 lb/d all year
001Oil & GreaseDAILY MX <= 9.34 lb/d all year
001Zinc, total recoverableMO AVG <= .065 mg/L all year
001Zinc, total recoverableDAILY MX <= .065 mg/L all year
001Zinc, total recoverableMO AVG <= .061 lb/d all year
001Zinc, total recoverableDAILY MX <= .061 lb/d all year
001Copper, total recoverableMO AVG <= .005 mg/L all year
001Copper, total recoverableDAILY MX <= .007 mg/L all year
001Copper, total recoverableMO AVG <= .005 lb/d all year
001Copper, total recoverableDAILY MX <= .007 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= .112 MGD all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Chlorine, total residualMO AVG <= .01 lb/d all year
001Chlorine, total residualDAILY MX <= .018 lb/d all year
001Solids, total dissolvedMO AVG <= 750 mg/L all year
001Solids, total dissolvedDAILY MX <= 1500 mg/L all year
001Solids, total dissolvedMO AVG <= 700.6 lb/d all year
001Solids, total dissolvedDAILY MX <= 1401 lb/d all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Solids, total suspendedMO AVG <= 7.8 lb/d all year
002Solids, total suspendedDAILY MX <= 25.9 lb/d all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX 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