Clean Water Act discharge permit · NPDES MTG589603
MUDDY CLUSTER LAGOONS, Muddy, MT: NPDES MTG589603 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
MUDDY CLUSTER LAGOONS, held by Northern Cheyenne Utility Commission-Muddy Cluster, holds NPDES permit MTG589603. EPA’s file records it issued December 6, 2016 and expiring December 31, 2020. 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 MUDDY CLUSTER LAGOONS: its NPDES ID, its permit type and status, its dates, its address in Muddy, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG589603.
Identity
| Facility as filed | MUDDY CLUSTER LAGOONS |
|---|---|
| Permittee as filed | Northern Cheyenne Utility Commission-Muddy Cluster |
| NPDES ID | MTG589603 |
| 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 | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 6, 2016 |
| Expiration date | December 31, 2020 |
| Address | Muddy, MT 59016 |
| Subwatershed | Rosebud Creek-Little Cottonwood Creek (HUC 101000030504) |
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 MTG589603.
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 MTG589603.
Inspections
EPA’s inspection file holds no inspection for NPDES MTG589603.
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
EPA’s informal enforcement file holds no action for NPDES MTG589603.
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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- One watershed — $2,990/year
- 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 MTG589603 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.