HollyFrontier Tulsa Refining LLC (West)

NPDES permit OK0000876 · Major NON-POTW · expired, expires 2025-12-31 · 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.

This permit expired on 2025-12-31 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 26 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 (51)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 61 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 119 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 1363 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 2660 lb/d all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 440 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 849 mg/L all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 9824 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 18976 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 53.2 mg/L all year
001Solids, total suspendedDAILY MX <= 83.1 mg/L all year
001Solids, total suspendedMO AVG <= 1189 lb/d all year
001Solids, total suspendedDAILY MX <= 1858 lb/d all year
001Oil and grease, hexane extr methodMO AVG <= 20 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 38 mg/L all year
001Oil and grease, hexane extr methodMO AVG <= 446 lb/d all year
001Oil and grease, hexane extr methodDAILY MX <= 849 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 22.8 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 49.9 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 510 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 1115 lb/d all year
001Sulfide, total [as S]MO AVG <= .32 mg/L all year
001Sulfide, total [as S]DAILY MX <= .71 mg/L all year
001Sulfide, total [as S]MO AVG <= 7.12 lb/d all year
001Sulfide, total [as S]DAILY MX <= 15.85 lb/d all year
001Phenolics, total recoverableMO AVG <= .34 mg/L all year
001Phenolics, total recoverableDAILY MX <= .88 mg/L all year
001Phenolics, total recoverableMO AVG <= 7.66 lb/d all year
001Phenolics, total recoverableDAILY MX <= 19.72 lb/d 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
999Mercury, total [as Hg]MO AVG report only all year
999Mercury, total [as Hg]DAILY MX report only all year
TX1pHDAILY MN report only all year
TX1pHDAILY MX report only all year
TX1Nitrogen, ammonia total [as N]DAILY MN report only all year
TX1Nitrogen, ammonia total [as N]MO AVG report only all year
TX1Nitrogen, ammonia total [as N]DAILY MX report only all year
TX1Whole effluent toxicity - retest #148HR MIN report only all year
TX1Whole effluent toxicity - retest #248HR MIN report only all year
TX1Whole Effluent Toxicity [WET] - P. promelas48HR MIN >= 100 % all year
TX1Solids, total dissolved- 180 deg. CDAILY MN report only all year
TX1Solids, total dissolved- 180 deg. CMO AVG report only all year
TX1Solids, total dissolved- 180 deg. CDAILY MX report only all year
TX1LC50 Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX1LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX1LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1%Mortality Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX1% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C48HR MIN 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