PlainWater
Counties → South Dakota

Brookings County, South Dakota

Water Systems
12
Population Served
41,264
Total Violations
2,574
79 health-based
PFAS Detected
3
of 3 tested

Violation Analysis

91.7%
Systems with Violations
214.5
Avg Violations per System
3.1%
Health-Based Violations

Water Source Types

GW
12 systems (100%)

PFAS Contamination

3
Systems Tested
3
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

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

No violations on record (1) One or more violations (11)

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
Brookings Municipal Utilities 23,377 12 Clean
Kingbrook I Rural Water System 6,455 9 Clean
Brookings-Deuel Rural Water System 6,200 9 Clean
Volga 2,340 16 -
Aurora 1,200 33 -
Elkton 755 53 -
White 499 15 -
University Estates 150 71 -
Newdale Colony 119 99 -
Red Willow Colony 93 74 -
North Brookings Water and Sanitary D 48 0 -
Southbrook Estates 28 2,183 -

Other Counties in South Dakota

Minnehaha County
15 systems · 254,737 served · 868 violations
Pennington County
157 systems · 140,305 served · 11,864 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 Brookings County? ▼
Brookings County has 2,574 total drinking water violations across 12 water systems, of which 79 are health-based violations. 91.7% of systems have at least one violation.
How many people get water from Brookings County systems? ▼
Water systems in Brookings County serve approximately 41,264 people through 12 public water systems.
Has PFAS been detected in Brookings County water? ▼
Of 3 water systems tested for PFAS in Brookings County, 3 had PFAS detected (100.0% detection rate).
What types of water sources supply Brookings County? ▼
Water systems in Brookings County use GW (12 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. 3.1% of Brookings 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.