Clean Water Act discharge permit · NPDES WY0025712
LIGHTNING STATE 3-36 LEASE #0-5756A, WY: NPDES WY0025712 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LIGHTNING STATE 3-36 LEASE #0-5756A, held by Millennium Oil and Gas, LLC, holds NPDES permit WY0025712. EPA’s file records it issued November 1, 2012 and expiring December 31, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LIGHTNING STATE 3-36 LEASE #0-5756A |
|---|---|
| Permittee as filed | Millennium Oil and Gas, LLC |
| NPDES ID | WY0025712 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2012 |
| Expiration date | December 31, 2017 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | Little Lightning Creek (HUC 101201040104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow | 2 | 60 | 0 | ||
| Produced water, oil and grease | 1 | 15 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Specific conductance | 1 | 5 | 0 | ||
| Sulfate, total [as SO4] | 1 | 5 | 0 | ||
| Chloride | 1 | 5 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WY0025712.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 30, 2018 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| October 30, 2018 | Management Practice Violations - Failure to Maintain Records | ST6 |
| October 30, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 30, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, WY0025712.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WY0025712 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.