Denbury Onshore, LLC

NPDES permit WY0002194 · Minor NON-POTW · effective, expires 2028-11-30 · 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.

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

6values over a limit
0required values missing, on 0 form(s)
0of 59 forms filed late

Last period with anything received: 2026-06-30. Most often over: Produced water, oil and grease (5), pH (1).

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 (75)

OutfallParameterStatisticLimitMonths
001Specific conductanceDAILY MX <= 7500 umho/cm 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
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only 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
001Phosphate, ortho [as P]DAILY MX report only all year
001Radium 226, totalDAILY MX <= 60 pCi/L all year
001ChlorideDAILY MX <= 2000 mg/L all year
001Nitrogen, Ammonia TotalDAILY MX report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001FlowDAILY MX 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
001Pass/Fail Static 48Hr Acute Daphnia Magna4C <= 0 pass=0;fail=1 all year
001Pass/Fail Static 96 Hr Acute Pimephales PromelasDAILY MX <= 0 pass=0;fail=1 all year
002Specific conductanceDAILY MX <= 7500 umho/cm all year
002pHINST MIN >= 6.5 SU all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Nitrogen, total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only 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
002Phosphate, ortho [as P]DAILY MX report only all year
002Radium 226, totalDAILY MX <= 60 pCi/L all year
002ChlorideDAILY MX <= 2000 mg/L all year
002Nitrogen, Ammonia TotalDAILY MX report only all year
002FlowMO AVG report only all year
002FlowMO AVG report only all year
002FlowDAILY MX report only all year
002FlowDAILY MX 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
002Pass/Fail Static 48Hr Acute Daphnia Magna4C <= 0 pass=0;fail=1 all year
002Pass/Fail Static 96 Hr Acute Pimephales PromelasDAILY MX <= 0 pass=0;fail=1 all year
003Specific conductanceDAILY MX <= 7500 umho/cm all year
003pHINST MIN >= 6.5 SU all year
003pHINST MIN >= 6.5 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MAX <= 9 SU all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]DAILY MX report only all year
003Phosphorus, total [as P]DAILY MX report only 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
003Phosphate, ortho [as P]DAILY MX report only all year
003Radium 226, totalDAILY MX <= 60 pCi/L all year
003ChlorideDAILY MX <= 2000 mg/L all year
003Nitrogen, Ammonia TotalDAILY MX report only all year
003FlowMO AVG report only all year
003FlowMO AVG report only all year
003FlowDAILY MX report only all year
003FlowDAILY MX 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
003Pass/Fail Static 48Hr Acute Daphnia Magna4C <= 0 pass=0;fail=1 all year
003Pass/Fail Static 96 Hr Acute Pimephales PromelasDAILY MX <= 0 pass=0;fail=1 all year
DMP1pHINST MIN report only all year
DMP1pHINST MIN report only all year
DMP1pHINST MAX report only all year
DMP1pHINST MAX report only all year
DMP1Sulfide, total [as S]DAILY MX report only all year
DMP1Sulfide, total [as S]DAILY 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