PlainWater

Logan County, North Dakota

SDWIS compliance plate

Sheet ND047 · Logan County 2 sys · 41 viol · #3162/3254

VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 19.5% health
  • RANK-BOTTOM #3162/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 2 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Logan County ranks #3,162 of 3,254 counties by people served, and #46 of 52 counties in North Dakota. See methodology · corpus placement.

Logan 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 19.5% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Logan County . Population served ranks #3,162 of 3,254 · #46 of 52 in North Dakota.

Flagged-rate neighbourhood around Logan County

Lowest/highest poles plus in-state counties nearest Logan 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
Napoleon City Of 792 14 -
Gackle City Of 310 27 -

Compare beyond North Dakota

Mid-flagged peers for Logan County

Cross-state counties nearest Logan County on flagged-system share (100.0%) and cumulative violation count (41). In-state neighbours stay on the compliance plate above.

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.