PlainWater
Counties → California

El Dorado County, California

Water Systems
129
Population Served
294,812
Total Violations
3,192
520 health-based
PFAS Detected
3
of 6 tested

Violation Analysis

93.0%
Systems with Violations
24.7
Avg Violations per System
16.3%
Health-Based Violations

Water Source Types

GW
35 systems (27%)
SW
15 systems (12%)

PFAS Contamination

6
Systems Tested
3
PFAS Detected
50.0%
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

El Dorado California water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (48)

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
El Dorado ID - Main 132,171 26 Detected
South Tahoe PUD - Main 100,000 13 Detected
Georgetown Divide PUD 9,434 4 Clean
Placerville, City of - Main 9,224 5 Clean
South Shore Recreation Area 3,300 50 Clean
Lukins Brothers Water Company 3,277 8 -
Lakeside Park Association 2,648 32 -
Pyramid Creek Trailhead 2,000 19 -
Sierra Tahoe Main Lodge 1,940 137 Detected
Sierra Tahoe West Bowl 1,900 8 -
Tahoe Keys Water Company 1,420 17 -
Grizzly Flats Community Servic 1,374 9 -
Adventure Mtn Lodge 1,200 0 -
Ca State Parks - D.l. Bliss 1,005 4 -
Ca State Parks - Emerald Bay, Vikingshol 1,002 4 -
Ca State Parks - Emerald Bay, Boat Campg 1,001 2 -
Nugget Campground 1,000 75 -
Camp Lotus Water System 1,000 25 -
Henningsen Lotus Park Water System 1,000 16 -
The Pub Water System 1,000 28 -
Ca State Parks - Emerald Bay, Eagle Poin 1,000 5 -
Heavenly Ski Creek Station 1,000 26 -
Folsom Lake Sra - Peninsula Campground 751 11 -
Tahoe City PUD - Rubicon 703 6 -
El Dorado ID - Outingdale 535 7 -
Heavenly Ski Sky Deck 520 2 -
Heavenly Ski Gondola 520 10 -
Jalapenos Water System 500 1 -
Sierra Tahoe Grandview 500 11 -
Fallen Leaf Mutual Water Co 461 26 -
Angora Lakes Resort 400 0 -
El Dorado ID - Strawberry 400 8 -
Spring Creek Tract Association 389 33 -
Peninsula Recreation Area 353 47 -
Smud Powerpines Camp 311 8 -
Station House Inn 310 15 -
Pioneer Bible Church 300 35 -
Mountain Camp II 300 14 -
Stanford Sierra Camp 295 3 -
Wench Creek Campground 250 18 -
Camp Sacramento 250 28 -
Pioneer Elementary School 227 51 -
Sierra Pines Camp 226 69 -
Sciots Tract Water System 223 28 -
Camp Shelly 200 3 -
Ice House Campground 200 15 -
Baldwin Beach 200 18 -
Leoni Meadows Camp 169 19 -
Pipi Campground Water System 150 41 -
Wolf Creek Campground 150 19 -

Other Counties in California

Los Angeles County
276 systems · 10,109,089 served · 3,972 violations
San Diego County
197 systems · 3,744,323 served · 4,832 violations
Orange County
46 systems · 3,201,893 served · 507 violations
Riverside County
201 systems · 2,839,125 served · 6,103 violations
San Bernardino County
318 systems · 2,830,626 served · 4,611 violations
Alameda County
27 systems · 2,249,634 served · 275 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in El Dorado County? ▼
El Dorado County has 3,192 total drinking water violations across 129 water systems, of which 520 are health-based violations. 93.0% of systems have at least one violation.
How many people get water from El Dorado County systems? ▼
Water systems in El Dorado County serve approximately 294,812 people through 129 public water systems.
Has PFAS been detected in El Dorado County water? ▼
Of 6 water systems tested for PFAS in El Dorado County, 3 had PFAS detected (50.0% detection rate).
What types of water sources supply El Dorado County? ▼
Water systems in El Dorado County use GW (35 systems), SW (15 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. 16.3% of El Dorado 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.