Arkansas Electric Cooperative Corporation-Thomas B. Fitzhugh Generating Station

NPDES permit AR0001759 · Minor NON-POTW · effective, expires 2027-07-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
3of 30 forms filed late

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

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (32)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG <= 105 deg F all year
001Temperature, water deg. fahrenheitINST MAX <= 107 deg F all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU 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
002Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
002Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L 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 <= 53 mg/L all year
002Oil & GreaseMO AVG <= 10 mg/L all year
002Oil & GreaseDAILY MX <= 15 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
003Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
003Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
003Oxygen demand, chem. [low level] [COD]MO AVG <= 56.7 lb/d all year
003Oxygen demand, chem. [low level] [COD]DAILY MX <= 85.1 lb/d all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 53 mg/L all year
003Solids, total suspendedMO AVG <= 39.7 lb/d all year
003Solids, total suspendedDAILY MX <= 59.5 lb/d all year
003Oil & GreaseMO AVG <= 10 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Oil & GreaseMO AVG <= 11.3 lb/d all year
003Oil & GreaseDAILY MX <= 17 lb/d all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, 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