Yaffee Iron and Metal Co., Inc.

NPDES permit OK0041874 · Minor NON-POTW · effective, expires 2029-11-30 · 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)
11of 24 forms filed late

Last period with anything received: 2026-08-31. Most often over: Lead, total [as Pb] (2), Copper, total [as Cu] (1).

Reporting

Reports are due about 1 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (24)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30.2 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
001Copper, total [as Cu]MO AVG <= 19 ug/L all year
001Copper, total [as Cu]DAILY MX <= 37.75 ug/L all year
001Lead, total [as Pb]MO AVG <= 5.2 ug/L all year
001Lead, total [as Pb]DAILY MX <= 12.49 ug/L 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
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30.2 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Oil and grease, hexane extr methodMO AVG report only all year
002Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
002Copper, total [as Cu]MO AVG <= 19 ug/L all year
002Copper, total [as Cu]DAILY MX <= 37.5 ug/L all year
002Lead, total [as Pb]MO AVG <= 5.2 ug/L all year
002Lead, total [as Pb]DAILY MX <= 12.49 ug/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

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