PlainWater

Jackson County, Colorado

SDWIS compliance plate

Sheet CO057 · Jackson County 14 sys · 390 viol · #3051/3254

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

  • VIOL-SEVERE 92.9% flagged
  • HEALTH-LOW 6.9% health
  • RANK-BOTTOM #3051/3254
  • PHOTO-FINISH ±0.5 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 86%
  • SYS-SMALL 14 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Hinsdale County (+ 0.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Jackson County ranks #3,051 of 3,254 counties by people served, and #59 of 64 counties in Colorado. See methodology · corpus placement.

Jackson County standing, mid-flagged corpus third

Flagged-system rate 92.9% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.9% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Jackson County . Population served ranks #3,051 of 3,254 · #59 of 64 in Colorado.

Flagged-rate neighbourhood around Jackson County

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

0% 20% 40% 60% 80% 100% Broomfield · lowest Hinsdale · near Park · near Kiowa · highest 66.7% 92.9% 93.3% 93.4% 93.5% 94% 100%

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

Water Systems

Compare beyond Colorado

Mid-flagged peers for Jackson County

Cross-state counties nearest Jackson County on flagged-system share (92.9%) and cumulative violation count (390). 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.