Clean Water Act discharge permit · NPDES ND0026387
ND WATER COMMISSION OMND WTP - SOUTHWEST WATER AUTHORITY, Zap, ND: NPDES ND0026387 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ND WATER COMMISSION OMND WTP - SOUTHWEST WATER AUTHORITY, held by ND Department of Water Resources, holds NPDES permit ND0026387, which discharges to Lake Sakakawea. EPA’s file records it issued March 24, 2021 and expiring March 31, 2026. 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 | ND WATER COMMISSION OMND WTP - SOUTHWEST WATER AUTHORITY |
|---|---|
| Permittee as filed | ND Department of Water Resources |
| NPDES ID | ND0026387 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 24, 2021 |
| Expiration date | March 31, 2026 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Zap, ND 58580 |
| Receiving water | Lake Sakakawea |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Renner Bay (HUC 101101013401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 24Under a numeric limit
- 27With 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 | 3 | 45 | 0 | ||
| Chlorine, total residual | 3 | 45 | 0 | ||
| Conductivity | 6 | 33 | 0 | ||
| pH | 4 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 18 | 0 | ||
| Solids, total suspended | 3 | 12 | 0 | ||
| Analytical Chemistry | 0 | 9 | 0 | ||
| Alkalinity, total [as CaCO3] | 3 | 6 | 0 | ||
| Bicarbonate ion- [as HCO3] | 3 | 6 | 0 | ||
| Carbonate ion- [as CO3] | 3 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 6 | 0 | ||
| Phosphorus, total [as P] | 3 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 6 | 0 | ||
| Calcium, total [as Ca] | 3 | 6 | 0 | ||
| Magnesium, total [as Mg] | 3 | 6 | 0 | ||
| Sodium, total [as Na] | 3 | 6 | 0 | ||
| Potassium, total [as K] | 3 | 6 | 0 | ||
| Chloride [as Cl] | 3 | 6 | 0 | ||
| Sulfate, total [as SO4] | 3 | 6 | 0 | ||
| Fluoride, total [as F] | 3 | 6 | 0 | ||
| Iron, total [as Fe] | 3 | 6 | 0 | ||
| Manganese, total [as Mn] | 3 | 6 | 0 | ||
| Solids, total dissolved [TDS] | 3 | 6 | 0 | ||
| Sodium adsorption ratio | 0 | 3 | 0 | ||
| Silica, total [as SiO2] | 0 | 3 | 0 | ||
| Hydroxide | 0 | 3 | 0 | ||
| Turbidity, lab, NTU | 0 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ND0026387.
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 ND0026387.
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, ND0026387.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/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 ND0026387 there.
Nearby on the register
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- Every permit record in Zap, A to Z
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- Every permit record in North Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.