Central Arkansas Water - Jack H. Wilson Water Treatment Plant

NPDES permit AR0047937 · Minor NON-POTW · effective, expires 2027-09-30 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

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

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 (13)

OutfallParameterStatisticLimitMonths
009Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
009Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009Solids, total suspendedMO AVG <= 20 mg/L all year
009Solids, total suspendedDAILY MX <= 30 mg/L all year
009Oil & GreaseMO AVG <= 10 mg/L all year
009Oil & GreaseDAILY MX <= 15 mg/L all year
009Aluminum, dissolved [as Al]MO AVG <= 1 mg/L all year
009Aluminum, dissolved [as Al]DAILY MX <= 2 mg/L all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Chlorine, total residualINST MAX <= .011 mg/L 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