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County profile · EPA SDWIS + UCMR5

Clear Creek County, Colorado

31 SDWIS-listed public water systems serve 26,778 people in Clear Creek County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

31
SDWIS water systems Middle third of counties
2,262
Total violations Middle third of counties
96.8%
SDWIS systems w/ a violation Middle third of counties
0.0%
UCMR5 PFAS rate (1 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet CO019 · Clear Creek County 31 sys · 2,262 viol · #1485/3254

VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 96.8% flagged
  • HEALTH-MID 26.0% health
  • RANK-MID #1485/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 58%
  • SYS-SMALL 31 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Pueblo County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Clear Creek County ranks #1,485 of 3,254 counties by people served, and #26 of 64 counties in Colorado. See methodology · corpus placement.

Clear Creek County standing, mid-flagged corpus third

Flagged-system rate 96.8% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 26.0% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,485 of 3,254 · #26 of 64 in Colorado.

Flagged-rate neighbourhood around Clear Creek County

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

0% 20% 40% 60% 80% 100% Broomfield · lowest Grand · near Clear Creek · this county Kiowa · highest 66.7% 95.7% 96.2% 96.6% 96.8% 97.3% 100%

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

Water Systems

Compare beyond Colorado

Mid-flagged peers for Clear Creek County

Cross-state counties nearest Clear Creek County on flagged-system share (96.8%) and cumulative violation count (2,262). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.