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Citation Oil and Gas Corporation

Crude Petroleum And Natural Gas, Unknown, Wyoming. NPDES permit WY0001171, in force until Jun 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form OM twice a year (4 values), outfall 001 form NM yearly, outfall 001 form OB twice a year, outfall 001 form OS twice a year, outfall 001 form WA yearly, outfall DMP1 form DM twice a year
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (27)

ParameterStatisticLimitMonthsOutfall
Specific conductancedaily maximum≤ 7500 umho/cmall year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Nitrogen, total [as N]annual averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]annual averagereport only (mg/L)all year001
Phosphorus, total [as P]annual averagereport only (mg/L)all year001
Sulfide, total [as S]daily maximumreport only (mg/L)all year001
Sulfide, total [as S]daily maximumreport only (mg/L)all year001
Phosphate, ortho [as P]annual averagereport only (mg/L)all year001
Radium 226 + radium 228, totaldaily maximum≤ 20.5 pCi/Lall year001
Chloridedaily maximum≤ 930.3 mg/Lall year001
Nitrogen, Ammonia Totalannual averagereport only (mg/L)all year001
Flowmonthly average≤ 1.2 MGDall year001
Flowmonthly average≤ 1.2 MGDall year001
Flowdaily maximumreport only (MGD)all year001
Flowdaily maximumreport only (MGD)all year001
Sulfatedaily maximum≤ 3000 mg/Lall year001
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year001
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year001
Pass/Fail Static 48Hr Acute Ceriodaphnia dubia48-hour maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour valuereport only (pass=0;fail=1)all year001
pHinstantaneous maximumreport only (SU)all yearDMP1
pHinstantaneous maximumreport only (SU)all yearDMP1
pHinstantaneous minimumreport only (SU)all yearDMP1
pHinstantaneous minimumreport only (SU)all yearDMP1
Sulfide, total [as S]daily maximumreport only (mg/L)all yearDMP1
Sulfide, total [as S]daily maximumreport only (mg/L)all yearDMP1

How strict are these limits?

Cited limits by parameter: Wyoming's rules and the federal ones.

Same industry: the 209 Oil and Gas Extraction permits in Wyoming.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WY0001171 · MCP: https://passage-data.com/mcp