Valley County, Montana
SDWIS compliance plate
Sheet MT105 · Valley County 13 sys · 1,915 viol · #2692/3254
VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-SW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 92.3% flagged
- HEALTH-LOW 10.5% health
- RANK-BOTTOM #2692/3254
- PHOTO-FINISH ±0.5 pp
- PFAS-NONE No UCMR5 set
- SRC-SW SW lead 69%
- SYS-SMALL 13 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Cascade County ( -0.5 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Valley County ranks #2,692 of 3,254 counties by people served, and #33 of 56 counties in Montana. See methodology · corpus placement.
Valley County standing, lower-flagged corpus third
Flagged-system rate 92.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.5% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Valley County . Population served ranks #2,692 of 3,254 · #33 of 56 in Montana.
Flagged-rate neighbourhood around Valley County
Lowest/highest poles plus in-state counties nearest Valley County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Glasgow City Of | 3,253 | 51 | - |
| Fort Peck Rural County Water District | 663 | 30 | - |
| North Valley County Water and Sewer Dist | 450 | 134 | - |
| Nashua Town Of | 300 | 172 | - |
| Hinsdale Water Department | 250 | 116 | - |
| Vandalia Glasgow West Rest Area | 250 | 48 | - |
| Fort Peck Town Of | 240 | 147 | - |
| Big Valley Water Inc | 200 | 132 | - |
| Cherry Creek Wua Glasgow | 180 | 674 | - |
| Opheim Town Of | 111 | 254 | - |
| Montana Aviation Research Co | 70 | 24 | - |
| The Park | 68 | 133 | - |
| Primo Refill Albertsons Glasgow | 25 | 0 | - |
Compare beyond Montana
Lower-flagged peers for Valley County
Cross-state counties nearest Valley County on flagged-system share (92.3%) and cumulative violation count (1,915). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.