Wyoming Refining Company

NPDES permit WY0001163 · Minor NON-POTW · effective, expires 2029-07-31 · 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.

EPA's record, 2025-09-01 to 2026-08-31

9values over a limit
0required values missing, on 0 form(s)
0of 77 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (9).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among WY permits in EPA's filings — check your permit).

Limits in force (113)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 153.2 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 275.7 lb/d all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 122.5 lb/d all year
001Solids, total suspendedDAILY MX <= 192.1 lb/d all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 83.5 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 183.8 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Sulfide, total [as S]MO AVG report only all year
001Sulfide, total [as S]DAILY MX report only all year
001Sulfide, total [as S]MO AVG <= .81 lb/d all year
001Sulfide, total [as S]DAILY MX <= 1.81 lb/d all year
001Arsenic, total [as As]DAILY MX report only all year
001Chromium, dissolved [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX <= 16 ug/L all year
001Chromium, hexavalent [as Cr]MO AVG <= .101 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= .23 lb/d all year
001Chromium, total [as Cr]MO AVG report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]MO AVG <= 1.23 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 3.53 lb/d all year
001Selenium, total [as Se]DAILY MX <= 5 ug/L all year
001AcroleinDAILY MX report only all year
001DurationTOTAL report only all year
001E. coliMO AVG <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliMO AVG <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 410 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phenolic compounds, totalMO AVG report only all year
001Phenolic compounds, totalDAILY MX report only all year
001Phenolic compounds, totalMO AVG <= 1 lb/d all year
001Phenolic compounds, totalDAILY MX <= 2.06 lb/d all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001Chemical Oxygen Demand [COD]MO AVG report only all year
001Chemical Oxygen Demand [COD]DAILY MX report only all year
001Chemical Oxygen Demand [COD]MO AVG <= 1069.3 lb/d all year
001Chemical Oxygen Demand [COD]DAILY MX <= 2060.6 lb/d all year
001SulfateDAILY MX report only all year
001Produced water, oil and greaseMO AVG report only all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
001Produced water, oil and greaseMO AVG <= 44.6 lb/d all year
001Produced water, oil and greaseDAILY MX <= 83.5 lb/d all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubia4C <= 0 pass=0;fail=1 all year
001Pass/Fail Static 96 Hr Acute Pimephales Promelas9D <= 0 pass=0;fail=1 all year
002BOD, 5-day, 20 deg. CMO AVG <= 4.3 lb/d all year
002BOD, 5-day, 20 deg. CDAILY MX <= 7.86 lb/d all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG <= 3.54 lb/d all year
002Solids, total suspendedDAILY MX <= 5.5 lb/d all year
002Nitrogen, total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Arsenic, total [as As]DAILY MX report only all year
002Chromium, dissolved [as Cr]DAILY MX report only all year
002Chromium, hexavalent [as Cr]DAILY MX <= 11 ug/L all year
002Chromium, hexavalent [as Cr]MO AVG <= .0045 lb/d all year
002Chromium, hexavalent [as Cr]DAILY MX <= .01 lb/d all year
002Chromium, total [as Cr]MO AVG <= .04 lb/d all year
002Chromium, total [as Cr]DAILY MX <= .1 lb/d all year
002Selenium, total [as Se]DAILY MX <= 5 ug/L all year
002AcroleinDAILY MX report only all year
002DurationTOTAL report only all year
002Phenolic compounds, totalMO AVG <= .028 lb/d all year
002Phenolic compounds, totalDAILY MX <= .06 lb/d all year
002FlowMO AVG report only all year
002FlowDAILY MX report only all year
002Chemical Oxygen Demand [COD]MO AVG <= 29.5 lb/d all year
002Chemical Oxygen Demand [COD]DAILY MX <= 59 lb/d all year
002SulfateDAILY MX report only all year
002Produced water, oil and greaseMO AVG report only all year
002Produced water, oil and greaseDAILY MX <= 10 mg/L all year
002Produced water, oil and greaseMO AVG <= 1.32 lb/d all year
002Produced water, oil and greaseDAILY MX <= 2.6 lb/d all year
002Pass/Fail Static 48Hr Acute Ceriodaphnia dubia4C <= 0 pass=0;fail=1 all year
002Pass/Fail Static 96 Hr Acute Pimephales Promelas9D <= 0 pass=0;fail=1 all year
SP1BOD, 5-day, 20 deg. CMO AVG report only all year
SP1BOD, 5-day, 20 deg. CDAILY MX report only all year
SP1pHINST MIN report only all year
SP1pHINST MAX report only all year
SP1Solids, total suspendedMO AVG report only all year
SP1Solids, total suspendedDAILY MX report only all year
SP1Nitrogen, total [as N]DAILY MX report only all year
SP1Phosphorus, total [as P]DAILY MX report only all year
SP1Carbon, tot organic [TOC]DAILY MX report only all year
SP1Sulfide, total [as S]MO AVG report only all year
SP1Sulfide, total [as S]DAILY MX report only all year
SP1Arsenic, total [as As]DAILY MX report only all year
SP1Chromium, dissolved [as Cr]DAILY MX report only all year
SP1Chromium, hexavalent [as Cr]DAILY MX report only all year
SP1Chromium, total [as Cr]MO AVG report only all year
SP1Chromium, total [as Cr]DAILY MX report only all year
SP1Selenium, total [as Se]DAILY MX report only all year
SP1AcroleinDAILY MX report only all year
SP1E. coliMO AVG report only May, Jun, Jul, Aug, Sep
SP1E. coliMO AVG report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
SP1E. coliDAILY MX report only May, Jun, Jul, Aug, Sep
SP1E. coliDAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
SP1Phenolic compounds, totalMO AVG report only all year
SP1Phenolic compounds, totalDAILY MX report only all year
SP1Chemical Oxygen Demand [COD]MO AVG report only all year
SP1Chemical Oxygen Demand [COD]DAILY MX report only all year
SP1SulfateDAILY MX report only all year
SP1Produced water, oil and greaseMO AVG report only all year
SP1Produced water, oil and greaseDAILY 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