Musselshell County, Montana
SDWIS compliance plate
Sheet MT065 · Musselshell County 8 sys · 586 viol · #2993/3254
VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · ABOVE-PEER · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST
- VIOL-SEVERE 75.0% flagged
- HEALTH-LOW 1.9% health
- RANK-BOTTOM #2993/3254
- ABOVE-PEER +8.3 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-TINY 8 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Powder River County ( -8.3 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Musselshell County ranks #2,993 of 3,254 counties by people served, and #38 of 56 counties in Montana. See methodology · corpus placement.
Musselshell County standing, lower-flagged corpus third
Flagged-system rate 75.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 1.9% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Musselshell County . Population served ranks #2,993 of 3,254 · #38 of 56 in Montana.
Flagged-rate neighbourhood around Musselshell County
Lowest/highest poles plus in-state counties nearest Musselshell County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Roundup Water Department | 1,900 | 37 | - |
| Picchionis Iga | 300 | 16 | - |
| Signal Peak Energy Bull Mountain Coal | 250 | 21 | - |
| Melstone Town Of | 170 | 440 | - |
| Musselshell Community County WSD | 75 | 42 | - |
| Sunset Colony Unapproved | 75 | 0 | - |
| Mecca Bar | 27 | 30 | - |
| Van Dykes Grocery Store - Sparkling Pure | 25 | 0 | - |
Compare beyond Montana
Lower-flagged peers for Musselshell County
Cross-state counties nearest Musselshell County on flagged-system share (75.0%) and cumulative violation count (586). 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.