PlainWater
Counties → Minnesota

Lyon County, Minnesota

Water Systems
16
Population Served
21,039
Total Violations
218
42 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

87.5%
Systems with Violations
13.6
Avg Violations per System
19.3%
Health-Based Violations

Water Source Types

GW
16 systems (100%)

PFAS Contamination

1
Systems Tested
1
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

Lyon Minnesota water systems by violation status, EPA SDWIS records.

No violations on record (2) 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
Marshall 13,890 2 Detected
Tracy 2,154 17 -
Minneota 1,380 16 -
Cottonwood 1,212 24 -
Balaton 639 6 -
Lynd 448 0 -
Ghent 370 19 -
Russell 338 23 -
Taunton 135 8 -
Garvin 135 13 -
Camden State Park 100 14 -
Fairview Township Water Association 89 5 -
Kingdom Hall of Jehovah's Witnesses 60 7 -
Florence 39 43 -
Garvin Park 25 21 -
Lake Farm Properties Campground 25 0 -

Other Counties in Minnesota

Hennepin County
202 systems · 1,273,140 served · 1,534 violations
Ramsey County
43 systems · 579,780 served · 369 violations
Dakota County
135 systems · 391,434 served · 1,282 violations
Anoka County
245 systems · 328,280 served · 2,022 violations
Washington County
195 systems · 259,368 served · 1,652 violations
St. Louis County
364 systems · 178,965 served · 3,967 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Lyon County? ▼
Lyon County has 218 total drinking water violations across 16 water systems, of which 42 are health-based violations. 87.5% of systems have at least one violation.
How many people get water from Lyon County systems? ▼
Water systems in Lyon County serve approximately 21,039 people through 16 public water systems.
Has PFAS been detected in Lyon County water? ▼
Of 1 water systems tested for PFAS in Lyon County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Lyon County? ▼
Water systems in Lyon County use GW (16 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. 19.3% of Lyon 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.