Clean Water Act discharge permit · NPDES ND0000005
THUNDER BUTTE WASTEWATER TREATMENT FACILITY, Keene, ND: NPDES ND0000005 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
THUNDER BUTTE WASTEWATER TREATMENT FACILITY, held by Three Affiliated Tribes Utilities - Thunder Butte WWTF, holds NPDES permit ND0000005, which discharges to Unnamed Tributary To Clarks Creek. EPA’s file records it issued December 12, 2024 and expiring December 31, 2029. 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 | THUNDER BUTTE WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Three Affiliated Tribes Utilities - Thunder Butte WWTF |
| NPDES ID | ND0000005 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 12, 2024 |
| Expiration date | December 31, 2029 |
| Address | Keene, ND 58847 |
| Receiving water | Unnamed Tributary to Clarks Creek |
| Subwatershed | Clarks Creek (HUC 101101011904) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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
- 12Pollutants on file
- 12Under a numeric limit
- 12With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 4 | 24 | 0 | ||
| Solids, total suspended | 4 | 24 | 0 | ||
| pH | 2 | 12 | 0 | ||
| Nitrogen, total [as N] | 2 | 12 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 12 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 12 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 12 | 0 | ||
| Phosphorus, total [as P] | 2 | 12 | 0 | ||
| E. coli | 2 | 12 | 0 | ||
| Flow | 2 | 12 | 0 | ||
| Oil & Grease | 1 | 6 | 0 | ||
| Oil and grease visual | 1 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ND0000005.
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 ND0000005.
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, ND0000005.
Start the watch
- One permit holder — $99/month
- 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 ND0000005 there.
Nearby on the register
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- Every permit record in North Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.