County profile · EPA SDWIS + UCMR5
Rosebud County, Montana
15 SDWIS-listed public water systems serve 7,415 people in Rosebud County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 15
- SDWIS water systems Middle third of counties
- 3,651
- Total violations Upper third of counties
- 93.3%
- SDWIS systems w/ a violation Middle third of counties
- -
- UCMR5 PFAS (none tested) No UCMR5 tests
SDWIS compliance plate
Sheet MT087 · Rosebud County 15 sys · 3,651 viol · #2576/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 93.3% flagged
- HEALTH-LOW 10.2% health
- RANK-LOWER #2576/3254
- PHOTO-FINISH ±0.2 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 67%
- SYS-SMALL 15 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Flathead County (+ 0.2 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Rosebud County ranks #2,576 of 3,254 counties by people served, and #28 of 56 counties in Montana. See methodology · corpus placement.
Rosebud County standing, mid-flagged corpus third
Flagged-system rate 93.3% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.2% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Rosebud County . Population served ranks #2,576 of 3,254 · #28 of 56 in Montana.
Flagged-rate neighbourhood around Rosebud County
Lowest/highest poles plus in-state counties nearest Rosebud County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Colstrip City Of | 2,350 | 133 | - |
| Forsyth City Of | 2,260 | 665 | - |
| St Labre Indian School | 650 | 1,488 | - |
| East Bound Hathaway Rest Area | 600 | 41 | - |
| Wb Hathaway Rest Area | 600 | 38 | - |
| Ashland Water and Sewer Dist | 400 | 650 | - |
| Western Energy Company | 200 | 131 | - |
| Rosebud School District No 12 | 100 | 103 | - |
| Longhorn Bar | 75 | 131 | - |
| Forsyth Country Club | 40 | 59 | - |
| Lds Church Forsyth | 35 | 119 | - |
| Ingomar Water District | 30 | 14 | - |
| Lions Park and Spring | 25 | 76 | - |
| Pichionnies Forsyth Iga | 25 | 3 | - |
| Rosebud Foods | 25 | 0 | - |
Compare beyond Montana
Mid-flagged peers for Rosebud County
Cross-state counties nearest Rosebud County on flagged-system share (93.3%) and cumulative violation count (3,651). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.