PlainWater
Counties → Washington

Chelan County, Washington

Water Systems
132
Population Served
118,807
Total Violations
4,357
546 health-based
PFAS Detected
0
of 4 tested

Violation Analysis

93.2%
Systems with Violations
33.0
Avg Violations per System
12.5%
Health-Based Violations

Water Source Types

GW
42 systems (32%)
SW
8 systems (6%)

PFAS Contamination

4
Systems Tested
0
PFAS Detected
0.0%
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

Chelan Washington water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

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
Wenatchee City Of 43,690 91 Clean
Chelan Co PUD 1 15,840 20 Clean
Chelan Water Dept City Of 9,425 105 Clean
Leavenworth City Of 9,218 68 -
Lake Chelan Reclamation District 6,798 247 Clean
Cashmere Water Department 5,815 12 -
Lake Wenatchee State Park South Si 2,591 18 -
Malaga Water District 2,478 31 -
Alpine Water District 2,255 64 -
Nason Creek Rest Area 2,125 26 -
Entiat City Of 1,730 74 -
CHELAN CO PUD1 - Peshastin 1,397 74 -
Chelan County Fairground 1,335 11 -
Ponderosa Community Club Inc 1,170 38 -
Mission Ridge Ski Area Water System 1,009 15 -
Twenty Five Mile Creek State Park 970 3 -
Three Lakes Water District 650 18 -
Rainy Pass Rest Area - MethowRd 413 6 -
Alpenhorn Cafe 389 26 -
Chelan Falls Water District 380 36 -
Chiwawa Communities Assn 352 29 -
BJS Food and Fuel 2 321 3 -
97 Rock House WS 253 10 -
Ravenwing Ranch 250 0 -
Valleyhi Community Club 242 30 -
Holden Village 228 31 -
Nason Creek Cg/Lake Wenatchee RD 219 15 -
Laffertys Southshore Water System 218 29 -
Apple Acres Village 212 61 -
Spears Water System 200 24 -
Fields Point - Chelan RD 200 7 -
Thousand Trails - Leavenworth 185 19 -
Chelan Co PUD - Dryden 182 36 -
Squirrel Tree Resort 182 17 -
Big Y Cafe 180 20 -
Bear Mountain Water District 177 108 -
Peshastin Domestic Water Assn 177 37 -
Lytle Water System 156 38 -
Watsons Harverene Resort Inc 156 20 -
Stonewater Ranch 154 44 -
59Er Diner 134 22 -
Turtlerock Homeowners Association 133 21 -
Tall Timber Ranch Water System 122 52 -
Chelan Co PUD - Chelan Ridge 110 31 -
Camas Meadows Bible Camp 110 45 -
Camp Zanika Lache 105 15 -
Stevens Pass Nordic Center 103 5 -
Stehekin Pastry Company 102 72 -
Ski Hill Domestic Water Association 102 135 -
Little Butte Water System 101 9 -

Other Counties in Washington

King County
217 systems · 3,193,095 served · 20,636 violations
Pierce County
359 systems · 1,138,508 served · 14,826 violations
Snohomish County
170 systems · 947,238 served · 8,193 violations
Spokane County
164 systems · 621,798 served · 9,829 violations
Clark County
72 systems · 615,931 served · 9,864 violations
Thurston County
322 systems · 395,780 served · 24,330 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Chelan County? ▼
Chelan County has 4,357 total drinking water violations across 132 water systems, of which 546 are health-based violations. 93.2% of systems have at least one violation.
How many people get water from Chelan County systems? ▼
Water systems in Chelan County serve approximately 118,807 people through 132 public water systems.
Has PFAS been detected in Chelan County water? ▼
Of 4 water systems tested for PFAS in Chelan County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Chelan County? ▼
Water systems in Chelan County use GW (42 systems), SW (8 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. 12.5% of Chelan 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.