PlainWater

Minnehaha County, South Dakota

SDWIS compliance plate

Sheet SD099 · Minnehaha County 15 sys · 868 viol · #274/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 93.3% flagged
  • HEALTH-MID 34.3% health
  • RANK-TOP #274/3254
  • PHOTO-FINISH ±0.5 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 87%
  • SYS-SMALL 15 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Fall River County ( -0.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Minnehaha County ranks #274 of 3,254 counties by people served, and #1 of 65 counties in South Dakota. See methodology · corpus placement.

Minnehaha 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 34.3% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #274 of 3,254 · #1 of 65 in South Dakota.

Flagged-rate neighbourhood around Minnehaha County

Lowest/highest poles plus in-state counties nearest Minnehaha County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Shannon · lowest Brookings · near Fall River · near Buffalo · highest 50% 91.7% 91.7% 91.7% 92.9% 93.3% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Sioux Falls 216,462 5 Clean
Minnehaha Community Water Corp 13,435 16 Clean
Brandon 11,048 43 Clean
Dell Rapids 3,633 13 Clean
Hartford 3,396 33 -
Crooks 1,362 100 -
Baltic 1,271 66 -
Garretson 1,228 241 -
Valley Springs 925 25 -
Colton 738 134 -
Humboldt 579 42 -
Pine Lake Hills 320 56 -
Valley View Estates 230 47 -
Skyline Heights 110 47 -
Lewis and Clark Regional Water Syste 0 0 -

Compare beyond South Dakota

Mid-flagged peers for Minnehaha County

Cross-state counties nearest Minnehaha County on flagged-system share (93.3%) and cumulative violation count (868). 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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.