PlainWater

Montrose County, Colorado

SDWIS compliance plate

Sheet CO085 · Montrose County 26 sys · 3,807 viol · #889/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-MID · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 84.6% flagged
  • HEALTH-MID 20.5% health
  • RANK-UPPER #889/3254
  • PHOTO-FINISH ±0.3 pp
  • PFAS-MID 25.0% detect
  • SRC-SW SW lead 77%
  • SYS-SMALL 26 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Jefferson County (+ 0.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Montrose County ranks #889 of 3,254 counties by people served, and #18 of 64 counties in Colorado. See methodology · corpus placement.

Montrose County standing, lower-flagged corpus third

Flagged-system rate 84.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.5% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #889 of 3,254 · #18 of 64 in Colorado.

Flagged-rate neighbourhood around Montrose County

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

0% 20% 40% 60% 80% 100% Broomfield · lowest Montrose · this county Adams · near Kiowa · highest 66.7% 83.1% 84.6% 85% 86% 87.5% 100%

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

Water Systems

System Name Population Violations PFAS
Tri County Wcd 20,490 8 Clean
Montrose City Of 19,305 4 Clean
Menoken WD 4,500 0 Clean
Chipeta WD 3,802 5 Detected
Olathe Town Of 3,015 19 -
Northbrook Villas Mhc 1,052 0 -
Nucla Town Of 875 155 -
Naturita Town Of 585 247 -
Cimarron Creek 560 6 -
River Meadows The 490 8 -
Fruitland Domestic WC 335 1,196 -
Paradox Pipeline Co 200 518 -
Mountain View Mobile Home Park 193 9 -
Black Canyon Estates MHP 188 24 -
Spring View Tp 145 281 -
Cornerstone MD 1 117 0 -
Millard Mobile Home Park 90 411 -
Curecanti Cimarron Ra 85 6 -
Hidden Lake Community 83 6 -
Sunrise Trailer Park 60 283 -
Curecanti Nra East Portal Ra 59 3 -
Earles Subdivision WC 40 41 -
Camp V 29 195 -
Harvey Martinez Trailer Court 25 0 -
Mustang Water Authority 0 272 -
Project 7 WA 0 110 -

Compare beyond Colorado

Lower-flagged peers for Montrose County

Cross-state counties nearest Montrose County on flagged-system share (84.6%) and cumulative violation count (3,807). 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.