Richland County, Montana
SDWIS compliance plate
Sheet MT083 · Richland County 16 sys · 4,453 viol · #2608/3254
VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 6.1% health
- RANK-BOTTOM #2608/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-SMALL 16 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Silver Bow County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Richland County ranks #2,608 of 3,254 counties by people served, and #30 of 56 counties in Montana. See methodology · corpus placement.
Richland 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 6.1% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,608 of 3,254 · #30 of 56 in Montana.
Flagged-rate neighbourhood around Richland County
Lowest/highest poles plus in-state counties nearest Richland County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Sidney City Of | 5,000 | 6 | Clean |
| Fairview Town Of | 1,000 | 750 | - |
| Lambert Sewer and Water Assn | 150 | 519 | - |
| Redwood Park Work Camp Phase 1 | 150 | 17 | - |
| Sidney Richland County Airport Unapprove | 115 | 24 | - |
| Savage Public School | 114 | 309 | - |
| Cattlemen's Cafe | 100 | 75 | - |
| Richland Co Valley View Wua | 85 | 486 | - |
| Rau School District No 21 | 80 | 1,091 | - |
| Valley Fuel and Supply | 75 | 64 | - |
| Central Water Conditioning | 50 | 74 | - |
| Mount Pleasant Estates | 45 | 474 | - |
| Four Seasons Trailer Court | 30 | 305 | - |
| America First Rvp LLC | 30 | 39 | - |
| Reynolds Market Sidney | 25 | 89 | - |
| Sidney Gymnastics Club | 25 | 131 | - |
Compare beyond Montana
Mid-flagged peers for Richland County
Cross-state counties nearest Richland County on flagged-system share (100.0%) and cumulative violation count (4,453). 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.