PlainWater

Lyon County, Minnesota

SDWIS compliance plate

Sheet MN083 · Lyon County 16 sys · 218 viol · #1725/3254

VIOL-SEVERE · HEALTH-LOW · RANK-MID · BELOW-PEER · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 87.5% flagged
  • HEALTH-LOW 19.3% health
  • RANK-MID #1725/3254
  • BELOW-PEER 1.8 pp cleaner
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 16 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Murray County (+ 1.8 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Lyon County ranks #1,725 of 3,254 counties by people served, and #40 of 87 counties in Minnesota. See methodology · corpus placement.

Lyon County standing, lower-flagged corpus third

Flagged-system rate 87.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 19.3% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,725 of 3,254 · #40 of 87 in Minnesota.

Flagged-rate neighbourhood around Lyon County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Jackson · near Lyon · this county Watonwan · highest 22.2% 83.3% 84.6% 85% 87.5% 89.3% 100%

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

Water Systems

System Name Population Violations PFAS
Marshall 13,890 2 Detected
Tracy 2,154 17 -
Minneota 1,380 16 -
Cottonwood 1,212 24 -
Balaton 639 6 -
Lynd 448 0 -
Ghent 370 19 -
Russell 338 23 -
Taunton 135 8 -
Garvin 135 13 -
Camden State Park 100 14 -
Fairview Township Water Association 89 5 -
Kingdom Hall of Jehovah's Witnesses 60 7 -
Florence 39 43 -
Garvin Park 25 21 -
Lake Farm Properties Campground 25 0 -

Compare beyond Minnesota

Lower-flagged peers for Lyon County

Cross-state counties nearest Lyon County on flagged-system share (87.5%) and cumulative violation count (218). 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.