Clean Water Act discharge permit · NPDES NDR320836
BELLE FOURCHE PIPELINE COMPANY - ASH COULEE INCIDENT, Casper, WY: NPDES NDR320836 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
BELLE FOURCHE PIPELINE COMPANY - ASH COULEE INCIDENT, held by Belle Fourche Pipeline Company, holds NPDES permit NDR320836, which discharges to Middle Little Missouri. EPA’s file records it issued December 23, 2019 and expiring December 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BELLE FOURCHE PIPELINE COMPANY - ASH COULEE INCIDENT |
|---|---|
| Permittee as filed | Belle Fourche Pipeline Company |
| NPDES ID | NDR320836 |
| 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 23, 2019 |
| Expiration date | December 31, 2024 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Casper, WY 82602 |
| Receiving water | Middle Little Missouri |
| Subwatershed | Ash Coulee (HUC 101102031307) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| Oil and grease visual | 1 | 13 | 1 | June 30, 2022 | 0% over the limit |
| pH | 2 | 24 | 0 | ||
| Oil & Grease | 1 | 12 | 0 | ||
| Chloride [as Cl] | 1 | 12 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 1 | 12 | 0 | ||
| Benzene [volatile analysis] | 1 | 12 | 0 | ||
| Hydrocarbons, total petroleum | 1 | 12 | 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 NDR320836.
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 NDR320836 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.