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Mid-Con Energy Operating, LLC

Industrial or other facility, (Unknown City), Wyoming. NPDES permit WY0097040, in force until Jun 30, 2031. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form BS twice a year, outfall 001 form MS twice a year, outfall 001 form SS twice a year, outfall DMP1 form DM twice a year
Last report on file
None in EPA's file for the last 12 months; that may be EPA's gap, not the facility's

Limits in force (17)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Sulfide, total [as S]daily maximumreport only (mg/L)all year001
Radium 226, totaldaily maximum≤ 60 pCi/Lall year001
Chloridedaily maximum≤ 2000 mg/Lall year001
Durationmonthly averagereport only (d/mo)all year001
Durationmonthly averagereport only (d/mo)all year001
Flowmonthly averagereport only (MGD)all year001
Flowmonthly averagereport only (MGD)all 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
pHinstantaneous minimumreport only (SU)all yearDMP1
pHinstantaneous maximumreport only (SU)all yearDMP1
Sulfide, total [as S]daily maximumreport only (mg/L)all yearDMP1
Radium 226, totaldaily maximumreport only (pCi/L)all yearDMP1

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WY0097040 · MCP: https://passage-data.com/mcp