PlainWater

Pepin County, Wisconsin

SDWIS compliance plate

Sheet WI091 · Pepin County 22 sys · 511 viol · #2882/3254

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

  • VIOL-SEVERE 72.7% flagged
  • HEALTH-MID 32.1% health
  • RANK-BOTTOM #2882/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 22 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Sheboygan County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Pepin County ranks #2,882 of 3,254 counties by people served, and #70 of 71 counties in Wisconsin. See methodology · corpus placement.

Pepin County standing, lower-flagged corpus third

Flagged-system rate 72.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 32.1% 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 #2,882 of 3,254 · #70 of 71 in Wisconsin.

Flagged-rate neighbourhood around Pepin County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest La Crosse · near Pepin · this county Milwaukee · highest 52.1% 72% 72% 72.6% 72.7% 73.3% 95.3%

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

Water Systems

Compare beyond Wisconsin

Lower-flagged peers for Pepin County

Cross-state counties nearest Pepin County on flagged-system share (72.7%) and cumulative violation count (511). 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.