PlainWater

Lake of the Woods County, Minnesota

SDWIS compliance plate

Sheet MN077 · Lake of the Woods County 66 sys · 1,072 viol · #2789/3254

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

  • VIOL-MID 33.3% flagged
  • HEALTH-HIGH 46.5% health
  • RANK-BOTTOM #2789/3254
  • PHOTO-FINISH ±0.9 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 97%
  • SYS-MID 66 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Isanti County ( -0.9 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Lake of the Woods County ranks #2,789 of 3,254 counties by people served, and #79 of 87 counties in Minnesota. See methodology · corpus placement.

Lake of the Woods County standing, lower-flagged corpus third

Flagged-system rate 33.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 46.5% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Lake of the Woods County . Population served ranks #2,789 of 3,254 · #79 of 87 in Minnesota.

Flagged-rate neighbourhood around Lake of the Woods County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Hubbard · near Watonwan · highest 22.2% 32.4% 33.3% 34.7% 34.8% 35.1% 100%

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

Water Systems

Compare beyond Minnesota

Lower-flagged peers for Lake of the Woods County

Cross-state counties nearest Lake of the Woods County on flagged-system share (33.3%) and cumulative violation count (1,072). 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.