Silver Eagle Refining, Inc.

NPDES permit WYS000014 · Minor NON-POTW · expired, expires 2026-04-30 · 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 2026-04-30 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

3values over a limit
0required values missing, on 0 form(s)
0of 8 forms filed late

Last period with anything received: 2026-06-30. Most often over: pH (3).

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 (40)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeINST MAX <= 30 deg C all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX <= 8.7 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 4.79 lb/d all year
001pHINST MIN >= 6.5 SU all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX <= 6.09 lb/d all year
001Solids, total suspendedMO AVG <= 3.92 lb/d all year
001Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG report only all year
001Chromium, hexavalent [as Cr]DAILY MX <= .011 lb/d all year
001Chromium, hexavalent [as Cr]MO AVG <= .005 lb/d all year
001Chromium, total [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]MO AVG report only all year
001Chromium, total [as Cr]DAILY MX <= .109 lb/d all year
001Chromium, total [as Cr]MO AVG <= .039 lb/d all year
001Phenolic compounds, totalDAILY MX report only all year
001Phenolic compounds, totalMO AVG report only all year
001Phenolic compounds, totalDAILY MX <= .063 lb/d all year
001Phenolic compounds, totalMO AVG <= .03 lb/d all year
001Solids, total dissolvedDAILY MX <= 1 ton/d all year
001FlowDAILY MX report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001Chemical Oxygen Demand [COD]DAILY MX report only all year
001Chemical Oxygen Demand [COD]MO AVG report only all year
001Chemical Oxygen Demand [COD]DAILY MX <= 65.3 lb/d all year
001Chemical Oxygen Demand [COD]MO AVG <= 32.6 lb/d all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
001Produced water, oil and greaseDAILY MX report only all year
001Produced water, oil and greaseMO AVG report only all year
001Produced water, oil and greaseDAILY MX <= 2.83 lb/d all year
001Produced water, oil and greaseMO AVG <= 1.46 lb/d 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