Clean Water Act discharge permit · NPDES MTR111459
WELLS 4 & 5 CONNECTING INFRASTRUCTURE, Buffalo, MT: NPDES MTR111459 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WELLS 4 & 5 CONNECTING INFRASTRUCTURE, held by COP CONSTRUCTION LLC, holds NPDES permit MTR111459, which discharges to Barrows Creek. EPA’s file records it issued July 28, 2025 and expiring December 31, 2027. 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.
What the register holds for WELLS 4 & 5 CONNECTING INFRASTRUCTURE: its NPDES ID, its permit type and status, its dates, its address in Buffalo, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111459.
Identity
| Facility as filed | WELLS 4 & 5 CONNECTING INFRASTRUCTURE |
|---|---|
| Permittee as filed | COP CONSTRUCTION LLC |
| NPDES ID | MTR111459 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | July 28, 2025 |
| Expiration date | December 31, 2027 |
| Address | Buffalo, MT 59418 |
| Receiving water | Barrows Creek |
| Subwatershed | Upper Ross Fork Creek (HUC 100401030102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR111459.
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 MTR111459.
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, MTR111459.
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- One state — $4,990/year
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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 MTR111459 there.
Nearby on the register
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- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.