Chouteau County, Montana
SDWIS compliance plate
Sheet MT015 · Chouteau County 12 sys · 3,111 viol · #2947/3254
VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 91.7% flagged
- HEALTH-LOW 5.5% health
- RANK-BOTTOM #2947/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 75%
- SYS-SMALL 12 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Pondera County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Chouteau County ranks #2,947 of 3,254 counties by people served, and #37 of 56 counties in Montana. See methodology · corpus placement.
Chouteau County standing, lower-flagged corpus third
Flagged-system rate 91.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 5.5% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Chouteau County . Population served ranks #2,947 of 3,254 · #37 of 56 in Montana.
Flagged-rate neighbourhood around Chouteau County
Lowest/highest poles plus in-state counties nearest Chouteau County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Fort Benton City Of | 1,500 | 34 | - |
| Big Sandy Town Of | 608 | 58 | - |
| Highwood County Water and Sewer District | 280 | 920 | - |
| Geraldine Town Of | 260 | 74 | - |
| Loma County Water District | 200 | 217 | - |
| Carter Chouteau Co Water Dist | 150 | 549 | - |
| Coal Banks Landing Blm | 120 | 63 | - |
| South Chouteau County Water Dist | 80 | 958 | - |
| Sunny Brook Colony | 80 | 0 | - |
| Twin Hills Colony Inc | 78 | 101 | - |
| North Geraldine Water System | 50 | 103 | - |
| Hawarden Square Butte Water | 50 | 34 | - |
Compare beyond Montana
Lower-flagged peers for Chouteau County
Cross-state counties nearest Chouteau County on flagged-system share (91.7%) and cumulative violation count (3,111). 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.