PlainWater

Pennington County, Minnesota

SDWIS compliance plate

Sheet MN113 · Pennington County 23 sys · 418 viol · #2345/3254

VIOL-MID · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-MID 34.8% flagged
  • HEALTH-MID 27.0% health
  • RANK-LOWER #2345/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 96%
  • SYS-SMALL 23 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Hubbard County ( -0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Pennington County ranks #2,345 of 3,254 counties by people served, and #59 of 87 counties in Minnesota. See methodology · corpus placement.

Pennington County standing, lower-flagged corpus third

Flagged-system rate 34.8% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 27.0% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #2,345 of 3,254 · #59 of 87 in Minnesota.

Flagged-rate neighbourhood around Pennington County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Hubbard · near Meeker · near Watonwan · highest 22.2% 33.3% 34.7% 34.8% 35.1% 36.1% 100%

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

Water Systems

Compare beyond Minnesota

Lower-flagged peers for Pennington County

Cross-state counties nearest Pennington County on flagged-system share (34.8%) and cumulative violation count (418). 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.