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Clean Water Act discharge permit · NPDES OK0036439

CHEMTRADE REFINERY SERVICES INC., Tulsa, OK: NPDES OK0036439 discharge permit, effluent exceedances, inspections, penalties

CHEMTRADE REFINERY SERVICES INC., held by Chemtrade Refinery Services Inc., holds NPDES permit OK0036439, which discharges to 120420010120 Berryhill Ck/Arkansas. EPA’s file records it issued December 31, 2020 and expiring January 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedCHEMTRADE REFINERY SERVICES INC.
Permittee as filedChemtrade Refinery Services Inc.
NPDES IDOK0036439
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
IssuedDecember 31, 2020
Expiration dateJanuary 31, 2026
Issuing agencyODEQ
AddressTulsa, OK 74107
Receiving water120420010120 Berryhill Ck/Arkansas
SubwatershedHarlow Creek-Arkansas River (HUC 111101010303)
NAICS325180 – Other Basic Inorganic Chemical Manufacturing
SIC2819 – Industrial Inorganic Chemicals
Other EPA IDs (FRS)RCRA handler OKD980507974; ICIS-AIR source OK0000004014300028

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Chlorine, total residual05538June 30, 20151% over the limit
Solids, total suspended38517March 31, 2025569% over the limit
pH26317September 30, 2025
Sulfate, total [as SO4]26316November 30, 2025135% over the limit
Oxidants, total residual121November 30, 2021254% over the limit
pH range excursions, monthly total accum011May 31, 200017% over the limit
BOD, 5-day, 20 deg. C2560
Flow, in conduit or thru treatment plant2460
E. coli2100
pH range excursions, > 60 minutes030

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

DateWhat EPA recordedAgency
November 2, 2017Permit Violations - Violation Specified in CommentST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit OK0036439, held by CHEMTRADE REFINERY SERVICES INC. in Tulsa, OK, which discharges to 120420010120 Berryhill Ck/Arkansas and is listed with a Minor Discharger class and an administratively continued status. The page lists 7 pollutants under a numeric limit and 6 pollutants with an effluent exceedance.