PlainWater

Kewaunee County, Wisconsin

SDWIS compliance plate

Sheet WI061 · Kewaunee County 72 sys · 1,705 viol · #2206/3254

VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-MID · BOOK-MOST

  • VIOL-SEVERE 80.6% flagged
  • HEALTH-LOW 11.9% health
  • RANK-LOWER #2206/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-MID 72 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Kewaunee County ranks #2,206 of 3,254 counties by people served, and #59 of 71 counties in Wisconsin. See methodology · corpus placement.

Kewaunee County standing, lower-flagged corpus third

Flagged-system rate 80.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 11.9% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Kewaunee County . Population served ranks #2,206 of 3,254 · #59 of 71 in Wisconsin.

Flagged-rate neighbourhood around Kewaunee County

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

0% 20% 40% 60% 80% 100% Bayfield · lowest Kewaunee · this county Marathon · near Milwaukee · highest 52.1% 80.4% 80.6% 80.9% 81% 81.8% 95.3%

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

Water Systems

Compare beyond Wisconsin

Lower-flagged peers for Kewaunee County

Cross-state counties nearest Kewaunee County on flagged-system share (80.6%) and cumulative violation count (1,705). 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.