Sequoyah Fuels Corporation

NPDES permit OK0000191 · Minor NON-POTW · expired, expires 2026-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-05-31 and is expired: 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 22 forms filed late

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

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 (22)

OutfallParameterStatisticLimitMonths
008Oxygen demand, chem. [high level] [COD]MO AVG report only all year
008Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX <= 114 mg/L all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]DAILY MX <= 10.5 mg/L all year
008Nitrogen, nitrate total [as N]MO AVG report only all year
008Nitrogen, nitrate total [as N]DAILY MX <= 32 mg/L all year
008Fluoride, total [as F]MO AVG report only all year
008Fluoride, total [as F]DAILY MX <= 7.9 mg/L all year
008Radium 226, totalMO AVG report only all year
008Radium 226, totalDAILY MX <= 30 pCi/L all year
008Thorium 230MO AVG report only all year
008Thorium 230DAILY MX <= 100 pCi/L all year
008Uranium, total [in pci/L]MO AVG report only all year
008Uranium, total [in pci/L]DAILY MX <= 300 pCi/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
01FFlow, in conduit or thru treatment plantMO AVG report only all year
01FFlow, 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