Clean Water Act discharge permit · NPDES MTR106338
W.O. 15-10: WTP CHEMICAL BUILDING/DISINFECTION IMPROVEMENTS, Billings, MT: NPDES MTR106338 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
W.O. 15-10: WTP CHEMICAL BUILDING/DISINFECTION IMPROVEMENTS, held by COP CONSTRUCTION LLC, holds NPDES permit MTR106338, which discharges to Upper Yellowstone - Lake Basin. EPA’s file records it issued February 19, 2016 and expiring February 19, 2016. 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 W.O. 15-10: WTP CHEMICAL BUILDING/DISINFECTION IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR106338.
Identity
| Facility as filed | W.O. 15-10: WTP CHEMICAL BUILDING/DISINFECTION IMPROVEMENTS |
|---|---|
| Permittee as filed | COP CONSTRUCTION LLC |
| NPDES ID | MTR106338 |
| 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 |
| Program | Construction stormwater |
| Issued | February 19, 2016 |
| Expiration date | February 19, 2016 |
| Issuing agency | MONTANA DEQ |
| Address | Billings, MT 59106 |
| Receiving water | UPPER YELLOWSTONE - LAKE BASIN |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Yellowstone River-Billings (HUC 100700041006) |
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 MTR106338.
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 MTR106338.
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 MTR106338 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.