Cass County, North Dakota
SDWIS compliance plate
Sheet ND017 · Cass County 27 sys · 915 viol · #373/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-LOW · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 92.6% flagged
- HEALTH-LOW 19.7% health
- RANK-TOP #373/3254
- PHOTO-FINISH ±0.3 pp
- PFAS-LOW 20.0% detect
- SRC-GW GW lead 85%
- SYS-SMALL 27 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Ward County (+ 0.3 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Cass County ranks #373 of 3,254 counties by people served, and #1 of 52 counties in North Dakota. See methodology · corpus placement.
Cass County standing, lower-flagged corpus third
Flagged-system rate 92.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 19.7% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 20.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #373 of 3,254 · #1 of 52 in North Dakota.
Flagged-rate neighbourhood around Cass County
Lowest/highest poles plus in-state counties nearest Cass County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Fargo City Of | 120,762 | 30 | Clean |
| West Fargo City Of | 34,858 | 3 | Clean |
| Cass Rural Water District Fargo | 4,242 | 0 | Detected |
| Cass Rural Water District-Phase I | 3,658 | 3 | Clean |
| Casselton City Of | 2,513 | 11 | - |
| Cass Rural Water District-Phase II | 1,700 | 0 | Clean |
| Cass Rural Water District-Phase III | 1,682 | 3 | - |
| Horace City Of | 1,641 | 40 | - |
| Mapleton City Of | 1,320 | 6 | - |
| Harwood City Of | 718 | 46 | - |
| Kindred City Of | 692 | 10 | - |
| Argusville City Of | 475 | 6 | - |
| Arthur City Of | 337 | 14 | - |
| Oxbow City Of | 305 | 42 | - |
| Hunter City Of | 261 | 38 | - |
| Tower City City Of | 253 | 63 | - |
| Davenport City Of | 252 | 36 | - |
| Page City Of | 232 | 34 | - |
| Buffalo City Of | 188 | 34 | - |
| Grandin City Of | 173 | 72 | - |
| Horseshoe Bend | 110 | 80 | - |
| Amenia City Of | 94 | 46 | - |
| Riverdale Subdivision | 88 | 30 | - |
| Gardner City Of | 74 | 51 | - |
| Fradets Orchard Water System | 56 | 128 | - |
| Country Acres Water Co | 50 | 37 | - |
| Knickerbocker Liquor Locker | 30 | 52 | - |
Compare beyond North Dakota
Lower-flagged peers for Cass County
Cross-state counties nearest Cass County on flagged-system share (92.6%) and cumulative violation count (915). 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.