Stanley County, South Dakota
SDWIS compliance plate
Sheet SD117 · Stanley County 3 sys · 44 viol · #2415/3254
VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 29.5% health
- RANK-LOWER #2415/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 100.0% detect
- SRC-SW SW lead 100%
- SYS-TINY 3 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Brown County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Stanley County ranks #2,415 of 3,254 counties by people served, and #22 of 65 counties in South Dakota. See methodology · corpus placement.
Stanley 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 29.5% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #2,415 of 3,254 · #22 of 65 in South Dakota.
Flagged-rate neighbourhood around Stanley County
Lowest/highest poles plus in-state counties nearest Stanley County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Wr/Lj - Mni Wiconi | 4,720 | 2 | Detected |
| Wr/Lj - North Stanley County | 2,492 | 2 | - |
| Fort Pierre | 2,115 | 40 | - |
Compare beyond South Dakota
Mid-flagged peers for Stanley County
Cross-state counties nearest Stanley County on flagged-system share (100.0%) and cumulative violation count (44). 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.