Carter County, Montana
SDWIS compliance plate
Sheet MT011 · Carter County 5 sys · 314 viol · #3170/3254
VIOL-SEVERE · HEALTH-MID · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 20.7% health
- RANK-BOTTOM #3170/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-TINY 5 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, Carter County ranks #3,170 of 3,254 counties by people served, and #50 of 56 counties in Montana. See methodology · corpus placement.
Carter 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 20.7% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Carter County . Population served ranks #3,170 of 3,254 · #50 of 56 in Montana.
Flagged-rate neighbourhood around Carter County
Lowest/highest poles plus in-state counties nearest Carter County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Trails End Ranch | 508 | 87 | - |
| Ekalaka Town Of | 400 | 58 | - |
| B and Js Convenience Store | 32 | 70 | - |
| Stoneville Saloon | 31 | 36 | - |
| Medicine Rocks State Park | 25 | 63 | - |
Compare beyond Montana
Mid-flagged peers for Carter County
Cross-state counties nearest Carter County on flagged-system share (100.0%) and cumulative violation count (314). 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.