Pierce County, Wisconsin
SDWIS compliance plate
Sheet WI093 · Pierce County 95 sys · 1,498 viol · #1300/3254
VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL
- VIOL-SEVERE 69.5% flagged
- HEALTH-MID 29.4% health
- RANK-UPPER #1300/3254
- PHOTO-FINISH ±0.4 pp
- PFAS-HIGH 66.7% detect
- SRC-GW GW lead 100%
- SYS-MID 95 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Marquette County ( -0.4 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Pierce County ranks #1,300 of 3,254 counties by people served, and #34 of 71 counties in Wisconsin. See methodology · corpus placement.
Pierce County standing, lower-flagged corpus third
Flagged-system rate 69.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 29.4% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,300 of 3,254 · #34 of 71 in Wisconsin.
Flagged-rate neighbourhood around Pierce County
Lowest/highest poles plus in-state counties nearest Pierce County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Wisconsin
Lower-flagged peers for Pierce County
Cross-state counties nearest Pierce County on flagged-system share (69.5%) and cumulative violation count (1,498). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.