Clean Water Act discharge permit · NPDES MTDW0002I
CROW AGENCY WTP - BIA, Crow Agency, MT: NPDES MTDW0002I discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
CROW AGENCY WTP - BIA, held by BIA Water Treatment Facility, holds NPDES permit MTDW0002I. EPA’s file records it issued July 9, 2020 and expiring June 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CROW AGENCY WTP - BIA |
|---|---|
| Permittee as filed | BIA Water Treatment Facility |
| NPDES ID | MTDW0002I |
| 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 | Federal facility |
| Issued | July 9, 2020 |
| Expiration date | June 30, 2024 |
| Address | Crow Agency, MT 59022 |
| Subwatershed | Little Bighorn River-Brush Tail Coulee (HUC 100800160501) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 24Pollutants on file
- 24Under a numeric limit
- 24With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 16 | 4 | December 31, 2021 | 103% over the limit |
| pH | 2 | 12 | 0 | ||
| Aluminum, total [as Al] | 2 | 12 | 0 | ||
| Chlorine, total residual | 2 | 12 | 0 | ||
| Temperature, water deg. centigrade | 1 | 6 | 0 | ||
| Flow, total | 1 | 6 | 0 | ||
| Flow, total | 1 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 1 | 0 | ||
| Arsenic, total recoverable | 2 | 1 | 0 | ||
| Selenium, total recoverable | 2 | 1 | 0 | ||
| Thallium, total recoverable | 2 | 1 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 1 | 0 | ||
| Nickel, total recoverable | 2 | 1 | 0 | ||
| Silver total recoverable | 2 | 1 | 0 | ||
| Zinc, total recoverable | 2 | 1 | 0 | ||
| Cadmium, total recoverable | 2 | 1 | 0 | ||
| Lead, total recoverable | 2 | 1 | 0 | ||
| Chromium, total recoverable | 2 | 1 | 0 | ||
| Copper, total recoverable | 2 | 1 | 0 | ||
| Antimony, total recoverable | 2 | 1 | 0 | ||
| Dichlorobromomethane | 1 | 1 | 0 | ||
| Bromoform | 1 | 1 | 0 | ||
| Chloroform | 1 | 1 | 0 | ||
| Chlorodibromomethane | 1 | 1 | 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 MTDW0002I.
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 MTDW0002I there.
Nearby on the register
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- Every permit record in Crow Agency, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.