CHOCTAW GENERATION LIMITED PARTNERSHIP RED HILLS GENERATION FACILITY

NPDES permit MS0053881 · Minor NON-POTW · administratively continued, expires 2023-07-31 · 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.

This permit expired on 2023-07-31 and is administratively continued: 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

0values over a limit
0required values missing, on 0 form(s)
0of 40 forms filed late

Last period with anything received: 2026-08-31.

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 (38)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedQRTR AVG report only all year
001Solids, total suspendedQB report only all year
001Flow, in conduit or thru treatment plantQRTR AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Oil & GreaseMO AVG <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 20 mg/L all year
002Chloride [as Cl]MO AVG <= 230 mg/L all year
002Chloride [as Cl]DAILY MX <= 860 mg/L all year
002Selenium, total recoverableMO AVG <= .0046 mg/L all year
002Selenium, total recoverableDAILY MX <= .0118 mg/L all year
002Chromium, total recoverableMO AVG <= .042 mg/L all year
002Chromium, total recoverableDAILY MX <= .311 mg/L 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
301Specific conductanceMO AVG report only all year
301Specific conductanceDAILY MX report only all year
301pHMINIMUM >= 6 SU all year
301pHMAXIMUM <= 9 SU all year
301ChlorideMO AVG report only all year
301ChlorideDAILY MX report only all year
301Flow, in conduit or thru treatment plantMO AVG report only all year
301Flow, in conduit or thru treatment plantDAILY MX report only all year
301Solids, total dissolvedMO AVG report only all year
301Solids, total dissolvedDAILY MX report only all year
302Specific conductanceMO AVG report only all year
302Specific conductanceDAILY MX report only all year
302Chloride [as Cl]MO AVG report only all year
302Chloride [as Cl]DAILY MX report only all year
302Flow, in conduit or thru treatment plantMO AVG report only all year
302Flow, in conduit or thru treatment plantDAILY MX report only all year
302Solids, total dissolvedMO AVG report only all year
302Solids, total dissolvedDAILY 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