Clean Water Act discharge permit · NPDES ND0000388
GARRISON DAM NFH, Riverdale, ND: NPDES ND0000388 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
GARRISON DAM NFH, held by Garrison Dam NFH, holds NPDES permit ND0000388, which discharges to Painted Woods-Square Butte. EPA’s file records it issued December 20, 2017 and expiring December 31, 2022. 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 | GARRISON DAM NFH |
|---|---|
| Permittee as filed | Garrison Dam NFH |
| NPDES ID | ND0000388 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Program | Publicly owned treatment works |
| Issued | December 20, 2017 |
| Expiration date | December 31, 2022 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Riverdale, ND 58565 |
| Receiving water | Painted Woods-Square Butte |
| Subwatershed | Garrison Dam National Fish Hatchery-Missouri River (HUC 101301010102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 | 9 | 124 | 7 | November 30, 2019 | 107% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 57 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 40 | 0 | ||
| pH | 4 | 38 | 0 | ||
| Flow, total | 2 | 20 | 0 | ||
| Duration of discharge | 1 | 18 | 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 ND0000388.
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, ND0000388.
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 ND0000388 there.
Nearby on the register
- Discharge permits in Riverdale
- Every permit record in Riverdale, A to Z
- Discharge permits in North Dakota
- Every permit record in North Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.