Clean Water Act discharge permit · NPDES NDR050451
ZIETZ INERT SOLID WASTE MANAGEMENT FACILITY-OAK VA, Sawyer, ND: NPDES NDR050451 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ZIETZ INERT SOLID WASTE MANAGEMENT FACILITY-OAK VA, held by Oak Valley, holds NPDES permit NDR050451, which discharges to Moose Mountain-Souris River. EPA’s file records it issued March 30, 2020 and expiring March 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ZIETZ INERT SOLID WASTE MANAGEMENT FACILITY-OAK VA |
|---|---|
| Permittee as filed | Oak Valley |
| NPDES ID | NDR050451 |
| 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 |
| Program | Industrial stormwater |
| Issued | March 30, 2020 |
| Expiration date | March 31, 2025 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Sawyer, ND 58781 |
| Receiving water | Moose Mountain-Souris River |
| Subwatershed | Oak Creek (HUC 090100081003) |
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
- 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 |
|---|---|---|---|---|---|
| pH | 2 | 6 | 0 | ||
| Solids, total suspended | 1 | 3 | 0 | ||
| Oil & Grease | 1 | 3 | 0 | ||
| Chloride [as Cl] | 1 | 3 | 0 | ||
| Arsenic, total [as As] | 1 | 3 | 0 | ||
| Iron, total [as Fe] | 1 | 3 | 0 | ||
| Oil and grease visual | 1 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NDR050451.
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 NDR050451.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, NDR050451.
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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 NDR050451 there.
Nearby on the register
- Discharge permits in Sawyer
- Every permit record in Sawyer, 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 September 15, 2026.