Clean Water Act discharge permit · NPDES MTDW0003I
TWO MEDICINE WATER CO., Browning, MT: NPDES MTDW0003I discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 23Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
TWO MEDICINE WATER CO., held by Two Medicine Water Treatment Plant, holds NPDES permit MTDW0003I. EPA’s file records it issued December 9, 2020 and expiring June 30, 2024. 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 | TWO MEDICINE WATER CO. |
|---|---|
| Permittee as filed | Two Medicine Water Treatment Plant |
| NPDES ID | MTDW0003I |
| 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 | December 9, 2020 |
| Expiration date | June 30, 2024 |
| Address | Browning, MT 59417 |
| Subwatershed | Two Medicine River-Midvail Creek (HUC 100302010102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 23Under a numeric limit
- 23With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| pH | 4 | 27 | 1 | September 30, 2022 | |
| Chlorine, total residual | 4 | 26 | 0 | ||
| Solids, total suspended | 4 | 24 | 0 | ||
| Temperature, water deg. centigrade | 2 | 14 | 0 | ||
| Flow, total | 2 | 12 | 0 | ||
| Flow, total | 2 | 12 | 0 | ||
| Dichlorobromomethane | 1 | 11 | 0 | ||
| Bromoform | 1 | 10 | 0 | ||
| Chloroform | 1 | 10 | 0 | ||
| Chlorodibromomethane | 1 | 10 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 5 | 0 | ||
| Arsenic, total recoverable | 1 | 5 | 0 | ||
| Selenium, total recoverable | 1 | 5 | 0 | ||
| Thallium, total recoverable | 1 | 5 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 5 | 0 | ||
| Nickel, total recoverable | 1 | 5 | 0 | ||
| Silver total recoverable | 1 | 5 | 0 | ||
| Zinc, total recoverable | 1 | 5 | 0 | ||
| Cadmium, total recoverable | 1 | 5 | 0 | ||
| Lead, total recoverable | 1 | 5 | 0 | ||
| Chromium, total recoverable | 1 | 5 | 0 | ||
| Copper, total recoverable | 1 | 5 | 0 | ||
| Antimony, total recoverable | 1 | 5 | 0 |
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 MTDW0003I.
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, MTDW0003I.
Start the watch
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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 MTDW0003I there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.