Clean Water Act discharge permit · NPDES ND0022349
WILLISTON CITY OF, Williston, ND: NPDES ND0022349 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WILLISTON CITY OF, held by Williston City Of, holds NPDES permit ND0022349, which discharges to Lake Sakakawea. EPA’s file records it issued September 21, 2018 and expiring March 31, 2023. 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 | WILLISTON CITY OF |
|---|---|
| Permittee as filed | Williston City Of |
| NPDES ID | ND0022349 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 21, 2018 |
| Expiration date | March 31, 2023 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Williston, ND 58802 |
| Receiving water | Lake Sakakawea |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sloulin International Airport (HUC 101101010303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 35Pollutants on file
- 31Under a numeric limit
- 16With a violation of any kind
- 7With 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 | 6 | 30 | 18 | March 31, 2015 | 124% over the limit |
| E. coli | 3 | 18 | 18 | September 30, 2025 | 1,170% over the limit |
| Solids, total suspended | 6 | 26 | 14 | October 31, 2015 | 68% over the limit |
| pH | 4 | 18 | 10 | March 31, 2018 | |
| Coliform, fecal general | 0 | 3 | 3 | October 31, 2012 | 300% over the limit |
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 0 | 2 | 2 | June 30, 2014 | |
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 1 | June 30, 2014 | |
| Nitrogen, ammonia total [as N] | 6 | 12 | 0 | ||
| Nitrogen, total [as N] | 5 | 5 | 0 | ||
| Phosphorus, total [as P] | 5 | 5 | 0 | ||
| Mercury, total [as Hg] | 12 | 3 | 0 | ||
| Temperature, water deg. centigrade | 3 | 3 | 0 | ||
| Oil & Grease | 3 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Oil and grease visual | 1 | 1 | 0 | ||
| Flow, total | 0 | 1 | 0 | ||
| Cyanide, total [as CN] | 12 | 0 | 0 | ||
| Arsenic, total [as As] | 12 | 0 | 0 | ||
| Beryllium, total [as Be] | 12 | 0 | 0 | ||
| Cadmium, total [as Cd] | 12 | 0 | 0 | ||
| Chromium, total [as Cr] | 12 | 0 | 0 | ||
| Copper, total [as Cu] | 12 | 0 | 0 | ||
| Lead, total [as Pb] | 12 | 0 | 0 | ||
| Thallium, total [as Tl] | 12 | 0 | 0 | ||
| Nickel, total [as Ni] | 12 | 0 | 0 | ||
| Silver, total [as Ag] | 12 | 0 | 0 | ||
| Zinc, total [as Zn] | 12 | 0 | 0 | ||
| Antimony, total [as Sb] | 12 | 0 | 0 | ||
| Selenium, total [as Se] | 12 | 0 | 0 | ||
| Total phenols | 12 | 0 | 0 | ||
| Hardness, tot calc. [Ca, Mg, Fe] as CaC03 | 12 | 0 | 0 | ||
| Chlorine, total residual | 3 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia | 1 | 0 | 0 | ||
| TU Static Renewal 96Hr Acute Pimphales promelas | 1 | 0 | 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 ND0022349.
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, ND0022349.
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 ND0022349 there.
Nearby on the register
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- Every permit record in North Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.