Clean Water Act discharge permit · NPDES WY0023507
LEIMSER LEASE BATTERY, (Unknown City), WY: NPDES WY0023507 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
LEIMSER LEASE BATTERY, held by Ant Hills Production Company, holds NPDES permit WY0023507. EPA’s file records it issued April 26, 2023 and expiring March 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LEIMSER LEASE BATTERY |
|---|---|
| Permittee as filed | Ant Hills Production Company |
| NPDES ID | WY0023507 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 26, 2023 |
| Expiration date | March 31, 2028 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | (Unknown City), WY |
| Subwatershed | Buck Creek (HUC 101201040205) |
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
- 2With 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 |
|---|---|---|---|---|---|
| Produced water, oil and grease | 2 | 31 | 5 | June 30, 2024 | 120% over the limit |
| pH | 2 | 19 | 1 | December 31, 2012 | |
| Flow | 4 | 102 | 0 | ||
| Specific conductance | 1 | 9 | 0 | ||
| Sulfate, total [as SO4] | 1 | 9 | 0 | ||
| Chloride | 1 | 9 | 0 |
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 4, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| August 4, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| May 4, 2020 | Reporting Violations - Improper/ Incorrect Reporting | 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
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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 WY0023507 there.
Nearby on the register
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- Every permit record in Wyoming, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.