PlainWater

Ouray County, Colorado

SDWIS compliance plate

Sheet CO091 · Ouray County 8 sys · 776 viol · #2804/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 7.6% health
  • RANK-BOTTOM #2804/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 50%
  • SYS-TINY 8 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, Ouray County ranks #2,804 of 3,254 counties by people served, and #50 of 64 counties in Colorado. See methodology · corpus placement.

Ouray 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 7.6% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Ouray County . Population served ranks #2,804 of 3,254 · #50 of 64 in Colorado.

Flagged-rate neighbourhood around Ouray County

Lowest/highest poles plus in-state counties nearest Ouray 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

System Name Population Violations PFAS
Ouray City Of 1,460 334 -
Dallas Creek WC 1,059 87 -
Ridgway Town Of 1,000 97 -
Mountaintop Retreat Ofbc Inc 587 36 -
Elk Mountain Resort 268 9 -
Elk Meadows Estates 230 90 -
Dallas Meadows Community Assoc 120 92 -
Amphitheater Cg 92 31 -

Compare beyond Colorado

Mid-flagged peers for Ouray County

Cross-state counties nearest Ouray County on flagged-system share (100.0%) and cumulative violation count (776). 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.