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Counties → South Dakota

Minnehaha County, South Dakota

Water Systems
15
Population Served
254,737
Total Violations
868
298 health-based
PFAS Detected
4
of 4 tested

Violation Analysis

93.3%
Systems with Violations
57.9
Avg Violations per System
34.3%
Health-Based Violations

Water Source Types

GW
13 systems (87%)
SW
2 systems (13%)

PFAS Contamination

4
Systems Tested
4
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Minnehaha South Dakota water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (14)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

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 -

Other Counties in South Dakota

Pennington County
157 systems · 140,305 served · 11,864 violations
Brookings County
12 systems · 41,264 served · 2,574 violations
Brown County
21 systems · 38,081 served · 1,750 violations
Lincoln County
8 systems · 35,801 served · 350 violations
Hughes County
6 systems · 27,114 served · 317 violations
Lawrence County
73 systems · 25,648 served · 6,945 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Minnehaha County? ▼
Minnehaha County has 868 total drinking water violations across 15 water systems, of which 298 are health-based violations. 93.3% of systems have at least one violation.
How many people get water from Minnehaha County systems? ▼
Water systems in Minnehaha County serve approximately 254,737 people through 15 public water systems.
Has PFAS been detected in Minnehaha County water? ▼
Of 4 water systems tested for PFAS in Minnehaha County, 4 had PFAS detected (100.0% detection rate).
What types of water sources supply Minnehaha County? ▼
Water systems in Minnehaha County use GW (13 systems), SW (2 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 34.3% of Minnehaha County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

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

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.