County profile · EPA SDWIS + UCMR5
Clay County, Minnesota
51 SDWIS-listed public water systems serve 60,378 people in Clay County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 51
- SDWIS water systems Larger third of counties
- 534
- Total violations Lower third of counties
- 52.9%
- SDWIS systems w/ a violation Lower third of counties
- 100.0%
- UCMR5 PFAS rate (2 tested) Upper third of counties with tests
SDWIS compliance plate
Sheet MN027 · Clay County 51 sys · 534 viol · #835/3254
VIOL-HIGH · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL
- VIOL-HIGH 52.9% flagged
- HEALTH-MID 44.8% health
- RANK-UPPER #835/3254
- PHOTO-FINISH ±0.6 pp
- PFAS-HIGH 100.0% detect
- SRC-GW GW lead 96%
- SYS-MID 51 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Dodge County (+ 0.6 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Clay County ranks #835 of 3,254 counties by people served, and #14 of 87 counties in Minnesota. See methodology · corpus placement.
Clay County standing, lower-flagged corpus third
Flagged-system rate 52.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 44.8% 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 #835 of 3,254 · #14 of 87 in Minnesota.
Flagged-rate neighbourhood around Clay County
Lowest/highest poles plus in-state counties nearest Clay County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Minnesota
Lower-flagged peers for Clay County
Cross-state counties nearest Clay County on flagged-system share (52.9%) and cumulative violation count (534). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.