City of Collinsville

NPDES permit OK0100404 · Minor NON-POTW · effective, expires 2031-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

2values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (2).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among OK permits in EPA's filings — check your permit).

Limits in force (17)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHDAILY MX <= 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 <= 33.78 lb/d all year
001Iron, dissolved [as Fe]MO AVG <= 1 mg/L all year
001Iron, dissolved [as Fe]DAILY MX <= 2 mg/L all year
001Iron, dissolved [as Fe]MO AVG <= 2.25 lb/d all year
001Manganese, dissolved [as Mn]MO AVG <= 1 mg/L all year
001Manganese, dissolved [as Mn]DAILY MX <= 2 mg/L all year
001Manganese, dissolved [as Mn]MO AVG <= 2.25 lb/d all year
001Aluminum, dissolved [as Al]MO AVG <= 1 mg/L all year
001Aluminum, dissolved [as Al]DAILY MX <= 2 mg/L all year
001Aluminum, dissolved [as Al]MO AVG <= 2.25 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
001Chlorine, total residualINST MAX <= .099 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