Vaquero Bighorn, LLC

NPDES permit WY0054798 · Minor NON-POTW · effective, expires 2028-08-31 · 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

0values over a limit
0required values missing, on 0 form(s)
84of 102 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001Specific conductanceDAILY MX <= 7500 umho/cm all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MIN >= 6.5 SU all year
001pHINST MIN >= 6.5 SU all year
001Sulfide, total [as S]DAILY MX report only all year
001Sulfide, total [as S]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX <= 3000 mg/L all year
001ChlorideDAILY MX <= 2000 mg/L all year
001FlowDAILY MX report only all year
001FlowDAILY MX report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
002Specific conductanceDAILY MX <= 7500 umho/cm all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MIN >= 6.5 SU all year
002pHINST MIN >= 6.5 SU all year
002Sulfide, total [as S]DAILY MX report only all year
002Sulfide, total [as S]DAILY MX report only all year
002Sulfate, total [as SO4]DAILY MX <= 3000 mg/L all year
002ChlorideDAILY MX <= 2000 mg/L all year
002FlowDAILY MX report only all year
002FlowDAILY MX report only all year
002FlowMO AVG report only all year
002FlowMO AVG report only all year
002Produced water, oil and greaseDAILY MX <= 10 mg/L all year
002Produced water, oil and greaseDAILY MX <= 10 mg/L all year
003Specific conductanceDAILY MX <= 7500 umho/cm all year
003pHINST MAX <= 9 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MIN >= 6.5 SU all year
003pHINST MIN >= 6.5 SU all year
003Sulfide, total [as S]DAILY MX report only all year
003Sulfide, total [as S]DAILY MX report only all year
003Sulfate, total [as SO4]DAILY MX <= 3000 mg/L all year
003ChlorideDAILY MX <= 2000 mg/L all year
003FlowDAILY MX report only all year
003FlowDAILY MX report only all year
003FlowMO AVG report only all year
003FlowMO AVG report only all year
003Produced water, oil and greaseDAILY MX <= 10 mg/L all year
003Produced water, oil and greaseDAILY MX <= 10 mg/L all year
004Specific conductanceDAILY MX <= 7500 umho/cm all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MIN >= 6.5 SU all year
004pHINST MIN >= 6.5 SU all year
004Sulfide, total [as S]DAILY MX report only all year
004Sulfide, total [as S]DAILY MX report only all year
004Sulfate, total [as SO4]DAILY MX <= 3000 mg/L all year
004ChlorideDAILY MX <= 2000 mg/L all year
004FlowDAILY MX report only all year
004FlowDAILY MX report only all year
004FlowMO AVG report only all year
004FlowMO AVG report only all year
004Produced water, oil and greaseDAILY MX <= 10 mg/L all year
004Produced water, oil and greaseDAILY MX <= 10 mg/L all year
005Specific conductanceDAILY MX <= 7500 umho/cm all year
005pHINST MAX <= 9 SU all year
005pHINST MAX <= 9 SU all year
005pHINST MIN >= 6.5 SU all year
005pHINST MIN >= 6.5 SU all year
005Sulfide, total [as S]DAILY MX report only all year
005Sulfide, total [as S]DAILY MX report only all year
005Sulfate, total [as SO4]DAILY MX <= 3000 mg/L all year
005ChlorideDAILY MX <= 2000 mg/L all year
005FlowDAILY MX report only all year
005FlowDAILY MX report only all year
005FlowMO AVG report only all year
005FlowMO AVG report only all year
005Produced water, oil and greaseDAILY MX <= 10 mg/L all year
005Produced water, oil and greaseDAILY MX <= 10 mg/L all year
006Specific conductanceDAILY MX <= 7500 umho/cm all year
006pHINST MAX <= 9 SU all year
006pHINST MAX <= 9 SU all year
006pHINST MIN >= 6.5 SU all year
006pHINST MIN >= 6.5 SU all year
006Sulfide, total [as S]DAILY MX report only all year
006Sulfide, total [as S]DAILY MX report only all year
006Sulfate, total [as SO4]DAILY MX <= 3000 mg/L all year
006ChlorideDAILY MX <= 2000 mg/L all year
006FlowDAILY MX report only all year
006FlowDAILY MX report only all year
006FlowMO AVG report only all year
006FlowMO AVG report only all year
006Produced water, oil and greaseDAILY MX <= 10 mg/L all year
006Produced water, oil and greaseDAILY MX <= 10 mg/L 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