Clean Water Act discharge permit · NPDES ND0020621
UNITED STATES AIR FORCE GF, Grand Forks Afb, ND: NPDES ND0020621 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
UNITED STATES AIR FORCE GF, held by United States Air Force GF, holds NPDES permit ND0020621, which discharges to Turtle. EPA’s file records it issued September 6, 2019 and expiring September 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 | UNITED STATES AIR FORCE GF |
|---|---|
| Permittee as filed | United States Air Force GF |
| NPDES ID | ND0020621 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Federal facility |
| Program | Publicly owned treatment works |
| Issued | September 6, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Grand Forks Afb, ND 58205 |
| Receiving water | Turtle |
| Subwatershed | Lake Tobiason (HUC 090201090206) |
| Other EPA IDs (FRS) | RCRA handler ND3571924759; ICIS-AIR source ND0000003803500050 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 31Pollutants on file
- 30Under a numeric limit
- 21With a violation of any kind
- 2With 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 | 6 | 1 | 1 | October 31, 2005 | 27% over the limit |
| pH | 4 | 1 | 1 | September 30, 2020 | |
| Molybdenum, total [as Mo] | 0 | 9 | 0 | ||
| Cyanide, total [as CN] | 6 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 6 | 3 | 0 | ||
| Arsenic, total [as As] | 6 | 3 | 0 | ||
| Beryllium, total [as Be] | 6 | 3 | 0 | ||
| Cadmium, total [as Cd] | 6 | 3 | 0 | ||
| Chromium, total [as Cr] | 6 | 3 | 0 | ||
| Copper, total [as Cu] | 6 | 3 | 0 | ||
| Lead, total [as Pb] | 6 | 3 | 0 | ||
| Thallium, total [as Tl] | 6 | 3 | 0 | ||
| Nickel, total [as Ni] | 6 | 3 | 0 | ||
| Silver, total [as Ag] | 6 | 3 | 0 | ||
| Zinc, total [as Zn] | 6 | 3 | 0 | ||
| Antimony, total [as Sb] | 6 | 3 | 0 | ||
| Selenium, total [as Se] | 6 | 3 | 0 | ||
| Total phenols | 6 | 3 | 0 | ||
| Mercury, total [as Hg] | 6 | 3 | 0 | ||
| Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 1 | 0 | ||
| TU Static Renewal 96Hr Acute Pimphales promelas | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 10 | 0 | 0 | ||
| Phosphorus, total [as P] | 10 | 0 | 0 | ||
| Temperature, water deg. centigrade | 6 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 0 | 0 | ||
| Oil & Grease | 6 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 0 | 0 | ||
| E. coli | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Flow, total | 2 | 0 | 0 | ||
| Oil and grease visual | 2 | 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 ND0020621.
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, ND0020621.
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 ND0020621 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 October 14, 2026.