PlainWater

Huerfano County, Colorado

SDWIS compliance plate

Sheet CO055 · Huerfano County 13 sys · 1,921 viol · #2681/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 16.8% health
  • RANK-BOTTOM #2681/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 62%
  • SYS-SMALL 13 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Routt County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Huerfano County ranks #2,681 of 3,254 counties by people served, and #47 of 64 counties in Colorado. See methodology · corpus placement.

Huerfano County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 16.8% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Huerfano County . Population served ranks #2,681 of 3,254 · #47 of 64 in Colorado.

Flagged-rate neighbourhood around Huerfano County

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

0% 20% 40% 60% 80% 100% Broomfield · lowest Kiowa · highest Montezuma · near Gilpin · near 66.7% 100% 100% 100% 100% 100% 100%

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

Water Systems

Compare beyond Colorado

Mid-flagged peers for Huerfano County

Cross-state counties nearest Huerfano County on flagged-system share (100.0%) and cumulative violation count (1,921). 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.