PlainWater

County profile · EPA SDWIS + UCMR5

Daniels County, Montana

2 SDWIS-listed public water systems serve 1,108 people in Daniels County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

2
SDWIS water systems Smaller third of counties
473
Total violations Lower third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet MT019 · Daniels County 2 sys · 473 viol · #3160/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 23.7% health
  • RANK-BOTTOM #3160/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 100%
  • SYS-TINY 2 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Daniels County ranks #3,160 of 3,254 counties by people served, and #48 of 56 counties in Montana. See methodology · corpus placement.

Daniels 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 23.7% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Daniels County . Population served ranks #3,160 of 3,254 · #48 of 56 in Montana.

Flagged-rate neighbourhood around Daniels County

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

0% 20% 40% 60% 80% 100% Powder River · lowest Petroleum · highest Mineral · near Madison · 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
Scobey City Of 1,026 23 -
Flaxville Town Of 82 450 -

Compare beyond Montana

Mid-flagged peers for Daniels County

Cross-state counties nearest Daniels County on flagged-system share (100.0%) and cumulative violation count (473). In-state neighbours stay on the compliance plate above.

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.