PlainWater

Pembina County, North Dakota

SDWIS compliance plate

Sheet ND067 · Pembina County 8 sys · 317 viol · #2528/3254

VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 31.9% health
  • RANK-LOWER #2528/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-TINY 8 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Grand Forks County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Pembina County ranks #2,528 of 3,254 counties by people served, and #16 of 52 counties in North Dakota. See methodology · corpus placement.

Pembina 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 31.9% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,528 of 3,254 · #16 of 52 in North Dakota.

Flagged-rate neighbourhood around Pembina County

Lowest/highest poles plus in-state counties nearest Pembina County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Morton · lowest Slope · highest Stark · near Richland · 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
Northeast RWD- North Valley Branch 3,422 6 Clean
Cavalier City Of 1,302 18 -
Walhalla City Of 996 45 -
Drayton City Of 824 53 -
Pembina City Of 592 49 -
Neche City Of 371 20 -
St Thomas City Of 331 21 -
Mountain City Of 92 105 -

Compare beyond North Dakota

Mid-flagged peers for Pembina County

Cross-state counties nearest Pembina County on flagged-system share (100.0%) and cumulative violation count (317). 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.