Arkansas Department of Parks, Heritage, & Tourism - Lake Catherine State Park

NPDES permit AR0038121 · Minor NON-POTW · effective, expires 2027-04-30 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), Coliform, fecal general (1).

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among AR permits in EPA's filings — check your permit).

Limits in force (19)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 3.8 lb/d all year
001Solids, total suspendedDAILY MX <= 5.6 lb/d all year
001Phosphorus, total [as P]MO AVG <= 12.2 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 18.3 mg/L all year
001Phosphorus, total [as P]MO AVG <= 3.1 lb/d all year
001Phosphorus, total [as P]DAILY MX <= 4.6 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
001Coliform, fecal general30DA GEO <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 2.5 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 3.8 lb/d 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