PlainWater

Grand Forks County, North Dakota

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.

0% 20% 40% 60% 80% 100% Morton · lowest Slope · highest Stutsman · near Ramsey · near 61.5% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.