PlainWater
Counties → Minnesota

Nicollet County, Minnesota

Water Systems
26
Population Served
30,952
Total Violations
217
136 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

69.2%
Systems with Violations
8.3
Avg Violations per System
62.7%
Health-Based Violations

Water Source Types

GW
26 systems (100%)

PFAS Contamination

2
Systems Tested
2
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

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

No violations on record (8) One or more violations (18)

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
North Mankato 14,448 22 Clean
Saint Peter 11,784 0 Clean
Nicollet 1,117 20 -
Courtland 635 13 -
Lafayette 504 14 -
Scandian Grove Lutheran Church 400 7 -
Minnesota Valley Lutheran High School 300 0 -
Norseland Lutheran Church 275 2 -
Immanuel Lutheran School and Church 255 28 -
Fort Ridgely State Park 200 7 -
St. George Catholic Church 150 7 -
Seven Mile Creek Park 100 7 -
Irene E. Gluek Memorial Camp Building 100 0 -
Bernadotte Lutheran Church 80 0 -
Oakhaven Campgrounds 80 7 -
Zion Evangelical Lutheran Church 75 7 -
Peaceful Valley Campsites 70 6 -
Michael Foods Egg Products Co. 60 17 -
Klossner Water Association 54 13 -
Norseland Scout Camp 50 28 -
New Sweden Dairy 50 8 -
N.u.q.q. 50 0 -
Nicollet Conservation Club 30 0 -
Northern Plains Dairy 30 4 -
High Island Dairy 30 0 -
Wis-Pak, Inc. 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 Nicollet County? ▼
Nicollet County has 217 total drinking water violations across 26 water systems, of which 136 are health-based violations. 69.2% of systems have at least one violation.
How many people get water from Nicollet County systems? ▼
Water systems in Nicollet County serve approximately 30,952 people through 26 public water systems.
Has PFAS been detected in Nicollet County water? ▼
Of 2 water systems tested for PFAS in Nicollet County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Nicollet County? ▼
Water systems in Nicollet County use GW (26 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. 62.7% of Nicollet 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.