Citation Oil and Gas Corporation

NPDES permit WY0002402 · Minor 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

2values over a limit
0required values missing, on 0 form(s)
0of 31 forms filed late

Last period with anything received: 2026-06-30. Most often over: Chloride (1), Produced water, oil and grease (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 (32)

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
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
001Selenium, total recoverableDAILY MX <= 5 ug/L all year
001Selenium, total recoverableDAILY MX <= 5 ug/L all year
001Radium 226, totalDAILY MX <= 53 pCi/L all year
001ChlorideDAILY MX <= 1112 mg/L all year
001ChlorideDAILY MX <= 1112 mg/L all year
001DurationMO TOTAL report only all year
001DurationMO TOTAL report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX <= .45 MGD all year
001FlowDAILY MX <= .45 MGD 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 Ceriodaphnia dubia4C = 0 pass=0;fail=1 all year
001Pass/Fail Static 96 Hr Acute Pimephales Promelas9D = 0 pass=0;fail=1 all year
DMP1pHINST MAX report only all year
DMP1pHINST MAX report only all year
DMP1pHINST MIN report only all year
DMP1pHINST MIN report only all year
DMP1Sulfide, total [as S]DAILY MX report only all year
DMP1Sulfide, total [as S]DAILY MX report only all year
DMP1Radium 226, totalDAILY MX report only all year
DMP1ChlorideDAILY MX report only all year
DMP1ChlorideDAILY 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