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County profile · EPA SDWIS + UCMR5

Moffat County, Colorado

16 SDWIS-listed public water systems serve 11,815 people in Moffat County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

16
SDWIS water systems Middle third of counties
1,008
Total violations Middle third of counties
87.5%
SDWIS systems w/ a violation Lower third of counties
0.0%
UCMR5 PFAS rate (1 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet CO081 · Moffat County 16 sys · 1,008 viol · #2227/3254

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

  • VIOL-SEVERE 87.5% flagged
  • HEALTH-LOW 8.5% health
  • RANK-LOWER #2227/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 69%
  • SYS-SMALL 16 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Moffat County ranks #2,227 of 3,254 counties by people served, and #40 of 64 counties in Colorado. See methodology · corpus placement.

Moffat County standing, lower-flagged corpus third

Flagged-system rate 87.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 8.5% 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 #2,227 of 3,254 · #40 of 64 in Colorado.

Flagged-rate neighbourhood around Moffat County

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

0% 20% 40% 60% 80% 100% Broomfield · lowest Moffat · this county Summit · near Kiowa · highest 66.7% 86% 87.5% 87.5% 88.1% 88.2% 100%

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

Water Systems

Compare beyond Colorado

Lower-flagged peers for Moffat County

Cross-state counties nearest Moffat County on flagged-system share (87.5%) and cumulative violation count (1,008). 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.