Clean Water Act discharge permit · NPDES NDG589103
TWIN BUTTES WASTEWATER TREATMENT LAGOONS, New Town, ND: NPDES NDG589103 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TWIN BUTTES WASTEWATER TREATMENT LAGOONS, held by Three Affiliated Tribes, holds NPDES permit NDG589103, which discharges to Malnourie Creek To Lake Sakakawea. EPA’s file records it issued March 9, 2016 and expiring December 31, 2020. 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 | TWIN BUTTES WASTEWATER TREATMENT LAGOONS |
|---|---|
| Permittee as filed | Three Affiliated Tribes |
| NPDES ID | NDG589103 |
| 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 | March 9, 2016 |
| Expiration date | December 31, 2020 |
| Address | New Town, ND 58763 |
| Receiving water | MALNOURIE CREEK TO LAKE SAKAKAWEA |
| 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
- 15Pollutants on file
- 10Under a numeric limit
- 15With 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 | 2 | 43 | 0 | ||
| Solids, total suspended | 2 | 43 | 0 | ||
| pH | 2 | 16 | 0 | ||
| Temperature, water deg. centigrade | 2 | 13 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 13 | 0 | ||
| Flow, total | 2 | 10 | 0 | ||
| Nitrogen, total [as N] | 1 | 7 | 0 | ||
| Phosphorus, total [as P] | 1 | 7 | 0 | ||
| Oil & Grease | 1 | 5 | 0 | ||
| Oil and grease visual | 1 | 5 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 4 | 0 | ||
| E. coli | 0 | 4 | 0 | ||
| Nitrogen, Kjeldahl Total | 0 | 4 | 0 | ||
| BOD, 5-day, percent removal | 0 | 2 | 0 | ||
| Solids, suspended percent removal | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NDG589103.
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 NDG589103.
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 NDG589103 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.