Clean Water Act discharge permit · NPDES MTG310006
VECTA OIL AND GAS LTD, Hysham, MT: NPDES MTG310006 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
VECTA OIL AND GAS LTD, held by EAGLE OIL AND GAS COMPANY, holds NPDES permit MTG310006, which discharges to Ephemeral Dr To Mccloud Coulee. EPA’s file records it issued May 6, 2015 and expiring April 30, 2020.
VECTA OIL AND GAS LTD, Hysham, Montana: Coverage under a general permit MTG310006, held by EAGLE OIL AND GAS COMPANY; Administratively continued (past its expiration date and still in force until reissued); issued May 6, 2015, term to April 30, 2020; discharges to EPHEMERAL DR TO MCCLOUD COULEE.
- Oil & Grease: 0 limits, 9 violations of any kind, 1 effluent exceedance, latest December 31, 2001, largest 60% over the limit.
- Oil and grease, hexane extr method: 1 limit, 2 violations of any kind, 1 effluent exceedance, latest December 31, 2019, largest 20% over the limit.
- Flow rate: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Conductivity: 2 limits, 7 violations of any kind, 0 effluent exceedances.
- pH: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Flow rate: 0 limits, 5 violations of any kind, 0 effluent exceedances.
- Fluoride: 0 limits, 5 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved: 0 limits, 5 violations of any kind, 0 effluent exceedances.
- Sulfate: 0 limits, 5 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved [TDS]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Nitrogen, nitrite total [as N]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Nitrogen, nitrate total [as N]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Sulfate, total [as SO4]: 2 limits, 3 violations of any kind, 0 effluent exceedances.
- Arsenic, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Cobalt, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Selenium, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Chromium, total recoverable: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- June 10, 2026: Letter of Violation/ Warning Letter (State).
- January 19, 2024: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).
- January 19, 2024: Reporting Violations - Improper/ Incorrect Reporting (ST6).
VECTA OIL AND GAS LTD among its neighbors
Its county holds 11, 0 of them major permits; MTG310006 is a minor permit.
Other permits in the county
- CENEX PIPELINE - CENEX PIPELINE REPLACEMENT PROJECT, Hysham: MTR103694, minor permit, discharging to SARPY CREEK AND VARIOUS, permit term to December 31, 2011
- CIRCLE B FEEDYARD, Hysham: MTG010265, minor permit, discharging to Unnamed Drain, permit term to October 31, 2023
- FIDELITY EXPLORATION AND PRODUCTION - GREBE 31-33H, Hysham: MTR104602, minor permit, discharging to RATTLESNAKE CREEK, permit term to December 31, 2012
- FIDELITY EXPLORATION AND PRODUCTION - SUN COULEE 24-14H, Hysham: MTR104520, minor permit, discharging to UNNAMED EPHEMERAL DRAINAGE, permit term to December 31, 2012
- HYSHAM REST AREA, Hysham: MTR106835, minor permit, discharging to Lower Yellowstone-Sunday, permit term to December 31, 2017
- HYSHAM WWTP, Hysham: MT0021709, minor permit, discharging to YELLOWSTONE RIVER, permit term to December 31, 2014
- K AND K LIVESTOCK, Sanders: MTG010198, minor permit, discharging to YELLOWSTONE RIVER, permit term to October 31, 2023
- PV RANCH COMPANY FEEDLOT, Hysham: MTG010158, minor permit, discharging to MUGGINS CREEK, permit term to October 31, 2023
- THREE FORKS RESOURCES - 71 RANCH 44-1H, Hysham: MTR104636, minor permit, discharging to RATTLESNAKE CREEK, permit term to December 31, 2012
- TOWN OF HYSHAM, Hysham: MTG580047, minor permit, discharging to BOX ELDER CREEK, permit term to December 31, 2022
Identity
| Facility as filed | VECTA OIL AND GAS LTD |
|---|---|
| Permittee as filed | EAGLE OIL AND GAS COMPANY |
| NPDES ID | MTG310006 |
| 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 | May 6, 2015 |
| Expiration date | April 30, 2020 |
| Address | Hysham, MT 59038 |
| Receiving water | EPHEMERAL DR TO MCCLOUD COULEE |
| SIC | 1311 – Crude Petroleum And Natural Gas |
Effluent limits and exceedances
- 21Pollutants on file
- 5Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 0 | 9 | 1 | December 31, 2001 | 60% over the limit |
| Oil and grease, hexane extr method | 1 | 2 | 1 | December 31, 2019 | 20% over the limit |
| Flow rate | 1 | 8 | 0 | ||
| Conductivity | 2 | 7 | 0 | ||
| pH | 0 | 6 | 0 | ||
| Flow rate | 0 | 5 | 0 | ||
| Fluoride | 0 | 5 | 0 | ||
| Solids, total dissolved | 0 | 5 | 0 | ||
| Sulfate | 0 | 5 | 0 | ||
| Solids, total dissolved [TDS] | 1 | 4 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 4 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| Sulfate, total [as SO4] | 2 | 3 | 0 | ||
| Arsenic, total recoverable | 0 | 3 | 0 | ||
| Cobalt, total recoverable | 0 | 3 | 0 | ||
| Selenium, total recoverable | 0 | 3 | 0 | ||
| Zinc, total recoverable | 0 | 3 | 0 | ||
| Cadmium, total recoverable | 0 | 3 | 0 | ||
| Lead, total recoverable | 0 | 3 | 0 | ||
| Chromium, total recoverable | 0 | 3 | 0 |
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 19, 2024 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| January 19, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES MTG310006.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| June 10, 2026 | Letter of Violation/ Warning Letter | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.