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Clean Water Act discharge permit · NPDES OK0000281

CENTRAL CARBIDE, LLC, Pryor, OK: NPDES OK0000281 discharge permit, effluent exceedances, inspections, penalties

CENTRAL CARBIDE, LLC holds NPDES permit OK0000281, which discharges to 121610 Sulphur Creek. EPA’s file records it issued July 22, 2003 and expiring July 31, 2008. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedCENTRAL CARBIDE, LLC
Permittee as filedCENTRAL CARBIDE, LLC
NPDES IDOK0000281
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 22, 2003
Expiration dateJuly 31, 2008
AddressPryor, OK 74362
Receiving water121610 SULPHUR CREEK
SubwatershedOutlet Pryor Creek (HUC 110702090407)
Other EPA IDs (FRS)RCRA handler OKD007223902

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Zinc, total [as Zn]0151February 28, 200935% over the limit
Copper, total [as Cu]0140
Hardness, total [as CaCO3]080
pH270
Flow, in conduit or thru treatment plant260
Solids, total suspended130

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0000281.

Inspections

EPA’s inspection file holds no inspection for NPDES OK0000281.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES OK0000281.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID OK0000281 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The page covers the NPDES permit OK0000281 for CENTRAL CARBIDE, LLC in Pryor, OK, which discharges to 121610 Sulphur Creek. The permit was issued July 22, 2003, and expired July 31, 2008, with a status of Administratively continued. The facility is classified as a Minor discharger with 6 pollutants on file, 3 under a numeric limit, and 6 with a violation.