County profile · EPA SDWIS + UCMR5
Grand Forks County, North Dakota
9 SDWIS-listed public water systems serve 69,787 people in Grand Forks County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 9
- SDWIS water systems Smaller third of counties
- 232
- Total violations Lower third of counties
- 100.0%
- SDWIS systems w/ a violation Middle third of counties
- 25.0%
- UCMR5 PFAS rate (4 tested) Middle third of counties with tests
SDWIS compliance plate
Sheet ND035 · Grand Forks County 9 sys · 232 viol · #743/3254
VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 16.4% health
- RANK-UPPER #743/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-MID 25.0% detect
- SRC-GW GW lead 89%
- SYS-TINY 9 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Stark County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Grand Forks County ranks #743 of 3,254 counties by people served, and #3 of 52 counties in North Dakota. See methodology · corpus placement.
Grand Forks County standing, mid-flagged corpus third
Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 16.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #743 of 3,254 · #3 of 52 in North Dakota.
Flagged-rate neighbourhood around Grand Forks County
Lowest/highest poles plus in-state counties nearest Grand Forks County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Grand Forks Regional WTP | 57,339 | 21 | Detected |
| East Central Regional WD-Gf | 5,995 | 9 | Clean |
| Agassiz Water Users District | 3,438 | 5 | Clean |
| Larimore City Of | 1,346 | 3 | Clean |
| Northwood City Of | 945 | 35 | - |
| Emerado City Of | 414 | 41 | - |
| Arvilla Water Users Association | 180 | 6 | - |
| Forest River Colony | 100 | 53 | - |
| Larsons Drive Inn | 30 | 59 | - |
Compare beyond North Dakota
Mid-flagged peers for Grand Forks County
Cross-state counties nearest Grand Forks County on flagged-system share (100.0%) and cumulative violation count (232). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.