Clean Water Act discharge permit · NPDES MTG770103
EAST LOOKOUT BUTTE (ELOB) EOR DEVELOPMENT DISCHARGE SITE, Baker, MT: NPDES MTG770103 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
EAST LOOKOUT BUTTE (ELOB) EOR DEVELOPMENT DISCHARGE SITE, held by DENBURY ONSHORE LLC, holds NPDES permit MTG770103, which discharges to Corral Creek. EPA’s file records it issued October 19, 2021 and expiring December 31, 2025. 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 | EAST LOOKOUT BUTTE (ELOB) EOR DEVELOPMENT DISCHARGE SITE |
|---|---|
| Permittee as filed | DENBURY ONSHORE LLC |
| NPDES ID | MTG770103 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 19, 2021 |
| Expiration date | December 31, 2025 |
| Address | Baker, MT 59313 |
| Receiving water | CORRAL CREEK |
| Subwatershed | Corral Creek (HUC 101102011106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With 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 rate | 2 | 4 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Solids, total suspended | 1 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG770103.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG770103.
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.
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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 MTG770103 there.
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.