PlainWater

Nobles County, Minnesota

SDWIS compliance plate

Sheet MN105 · Nobles County 15 sys · 562 viol · #1851/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 33.3% health
  • RANK-MID #1851/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 80%
  • SYS-SMALL 15 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Nobles County ranks #1,851 of 3,254 counties by people served, and #42 of 87 counties in Minnesota. See methodology · corpus placement.

Nobles 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 33.3% 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 #1,851 of 3,254 · #42 of 87 in Minnesota.

Flagged-rate neighbourhood around Nobles County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Nobles · this county Cottonwood · near 22.2% 92.3% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Worthington 14,052 1 Clean
Adrian 1,211 46 -
Brewster 506 10 -
Ellsworth 462 54 -
Round Lake 376 7 -
Wilmont 344 17 -
Rushmore 342 8 -
Lismore 237 14 -
Bigelow 235 43 -
Leota 209 42 -
Makaouci Park 105 37 -
Reading 75 161 -
Dundee 68 61 -
Fury's Island 40 43 -
Worthington Ag Parts 40 18 -

Compare beyond Minnesota

Mid-flagged peers for Nobles County

Cross-state counties nearest Nobles County on flagged-system share (100.0%) and cumulative violation count (562). 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.