PlainWater

Denver County, Colorado

SDWIS compliance plate

Sheet CO031 · Denver County 5 sys · 487 viol · #38/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · BELOW-PEER · PFAS-CLEAN · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 80.0% flagged
  • HEALTH-LOW 1.6% health
  • RANK-TOP #38/3254
  • BELOW-PEER 3.1 pp cleaner
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-TINY 5 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Weld County (+ 3.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Denver County ranks #38 of 3,254 counties by people served, and #1 of 64 counties in Colorado. See methodology · corpus placement.

Denver County standing, lower-flagged corpus third

Flagged-system rate 80.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 1.6% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #38 of 3,254 · #1 of 64 in Colorado.

Flagged-rate neighbourhood around Denver County

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

0% 20% 40% 60% 80% 100% Broomfield · lowest Denver · this county Montrose · near Kiowa · highest 66.7% 75% 80% 83.1% 84.6% 85% 100%

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

Water Systems

System Name Population Violations PFAS
Denver Water Board 1,287,000 383 Clean
Cherry Creek Valley WSD 22,000 0 -
Advenir French Quarter 3,447 98 Clean
Aspen Terrace Mobile Park 200 2 -
Longview Mobile Home Park 147 4 -

Compare beyond Colorado

Lower-flagged peers for Denver County

Cross-state counties nearest Denver County on flagged-system share (80.0%) and cumulative violation count (487). 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.