Clean Water Act discharge permit · NPDES NDDW0003I
TWIN BUTTES WATER SYSTEM, Halliday, ND: NPDES NDDW0003I discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 23Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
TWIN BUTTES WATER SYSTEM, held by Twin Butte Water Treatment Plant, holds NPDES permit NDDW0003I. EPA’s file records it issued October 17, 2019 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 | TWIN BUTTES WATER SYSTEM |
|---|---|
| Permittee as filed | Twin Butte Water Treatment Plant |
| NPDES ID | NDDW0003I |
| 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 | October 17, 2019 |
| Expiration date | June 30, 2024 |
| Address | Halliday, ND 58636 |
| Subwatershed | Red Butte Bay (HUC 101101013002) |
| 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
- 23Pollutants on file
- 23Under a numeric limit
- 23With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Aluminum, total [as Al] | 4 | 58 | 16 | May 31, 2026 | 5,118% over the limit |
| pH | 4 | 45 | 3 | February 28, 2025 | |
| Chlorine, total residual | 4 | 44 | 2 | July 31, 2022 | 8% over the limit |
| Solids, total suspended | 4 | 42 | 0 | ||
| Flow, total | 2 | 21 | 0 | ||
| Flow, total | 2 | 21 | 0 | ||
| Dichlorobromomethane | 3 | 3 | 0 | ||
| Bromoform | 3 | 3 | 0 | ||
| Chloroform | 3 | 3 | 0 | ||
| Chlorodibromomethane | 3 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 3 | 0 | ||
| Arsenic, total recoverable | 1 | 2 | 0 | ||
| Selenium, total recoverable | 1 | 2 | 0 | ||
| Thallium, total recoverable | 1 | 2 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 2 | 0 | ||
| Nickel, total recoverable | 1 | 2 | 0 | ||
| Silver total recoverable | 1 | 2 | 0 | ||
| Zinc, total recoverable | 1 | 2 | 0 | ||
| Cadmium, total recoverable | 1 | 2 | 0 | ||
| Lead, total recoverable | 1 | 2 | 0 | ||
| Chromium, total recoverable | 1 | 2 | 0 | ||
| Copper, total recoverable | 1 | 2 | 0 | ||
| Antimony, total recoverable | 1 | 2 | 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 NDDW0003I.
Inspections
EPA’s inspection file holds no inspection for NPDES NDDW0003I.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES NDDW0003I.
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, NDDW0003I.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 NDDW0003I there.
Nearby on the register
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- Every permit record in Halliday, A to Z
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- Every permit record in North Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.