Central Plains Cement Co

NPDES permit OK0040789 · Minor NON-POTW · effective, expires 2028-01-31 · EPA's file as of 2026-09-19

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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

1values over a limit
0required values missing, on 0 form(s)
0of 48 forms filed late

Last period with anything received: 2026-08-31. Most often over: Chloride [as Cl] (1).

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 (50)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]MO AVG <= 449 mg/L all year
001Sulfate, total [as SO4]DAILY MX <= 534 mg/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
001Solids, total dissolvedMO AVG <= 1258 mg/L all year
001Solids, total dissolvedDAILY MX <= 1494 mg/L all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX <= 50 mg/L all year
004Oil and grease, hexane extr methodMO AVG report only all year
004Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
004Sulfate, total [as SO4]MO AVG report only all year
004Sulfate, total [as SO4]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Solids, total dissolvedMO AVG report only all year
004Solids, total dissolvedDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG report only all year
005Solids, total suspendedDAILY MX <= 45 mg/L all year
005Chloride [as Cl]MO AVG <= 449 mg/L all year
005Chloride [as Cl]DAILY MX <= 534 mg/L all year
005Sulfate, total [as SO4]MO AVG <= 350 mg/L all year
005Sulfate, total [as SO4]DAILY MX <= 350 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Solids, total dissolvedMO AVG <= 1004 mg/L all year
005Solids, total dissolvedDAILY MX <= 1051 mg/L all year
006pHMINIMUM >= 6.5 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedMO AVG report only all year
006Solids, total suspendedDAILY MX <= 50 mg/L all year
006Chloride [as Cl]MO AVG <= 449 mg/L all year
006Chloride [as Cl]DAILY MX <= 534 mg/L all year
006Sulfate, total [as SO4]MO AVG <= 449 mg/L all year
006Sulfate, total [as SO4]DAILY MX <= 534 mg/L all year
006Selenium, total [as Se]MO AVG <= 4.74 ug/L all year
006Selenium, total [as Se]DAILY MX <= 8.21 ug/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Solids, total dissolvedMO AVG <= 1258 mg/L all year
006Solids, total dissolvedDAILY MX <= 1494 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