PlainWater

Grant County, Minnesota

SDWIS compliance plate

Sheet MN051 · Grant County 20 sys · 379 viol · #2851/3254

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

  • VIOL-SEVERE 55.0% flagged
  • HEALTH-HIGH 58.3% health
  • RANK-BOTTOM #2851/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-SMALL 20 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Grant County ranks #2,851 of 3,254 counties by people served, and #82 of 87 counties in Minnesota. See methodology · corpus placement.

Grant County standing, lower-flagged corpus third

Flagged-system rate 55.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 58.3% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Grant County . Population served ranks #2,851 of 3,254 · #82 of 87 in Minnesota.

Flagged-rate neighbourhood around Grant County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Douglas · near Sherburne · near Watonwan · highest 22.2% 54.6% 54.9% 55% 55% 55.6% 100%

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

Water Systems

Compare beyond Minnesota

Lower-flagged peers for Grant County

Cross-state counties nearest Grant County on flagged-system share (55.0%) and cumulative violation count (379). 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.