PlainWater
Counties → Utah

Washington County, Utah

Water Systems
61
Population Served
246,683
Total Violations
14,833
645 health-based
PFAS Detected
8
of 11 tested

Violation Analysis

96.7%
Systems with Violations
243.2
Avg Violations per System
4.3%
Health-Based Violations

Water Source Types

GW
39 systems (64%)
SW
11 systems (18%)

PFAS Contamination

11
Systems Tested
8
PFAS Detected
72.7%
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

Washington Utah 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
St George City Water System 105,240 209 Clean
Washington City 45,865 201 Clean
Hurricane City 25,555 371 Clean
Utah Tech Culinary Water System 12,000 7 -
Ivins 10,465 115 Clean
Santa Clara City 9,000 415 Clean
Hildale - Colorado City 6,100 991 Detected
Black Desert Resort Water System 5,300 0 -
La Verkin City Water System 4,500 48 Clean
Zion Canyon Water System 3,380 25 Clean
Enterprise Town Water System 2,200 226 -
Toquerville Town Water System 1,931 58 -
Virgin 1,512 84 Clean
Diamond Valley Acres 1,340 680 -
Winchester Hills Water Co 950 612 -
Dammeron Valley Water Works LLC 885 155 -
Leeds Domestic Water Users Association 800 137 -
Mountain Springs Water Co 660 89 -
Gunlock State Park 640 3 -
Springdale Town Water System 529 362 -
Zion Np- Kolob Visitor Center 503 34 -
Veyo Culinary Water Assn 500 153 -
Zion Np - Sinawava Temple 500 17 -
Dixie Deer Ssd 482 365 -
Kwu Inc 460 59 -
Big Plains Water Ssd - Apple Valley 450 1,046 -
Washington County Wcd - Sand Hollow 425 702 -
Angell Springs Ssd 358 278 -
Harmony Farms Water Users 314 587 -
Camp Kolob - Spring Creek 300 59 -
Camp Kolob - Oak Valley Girl's Camp 300 23 -
Snow Canyon State Park 266 3 -
Little Creek Travel Center 250 76 -
Rockville Pipeline Co 240 184 -
Virgin Sky 240 15 -
Kings Row Estates 234 1 -
Big Plains Water Ssd - Cedar Point 232 1,897 -
New Harmony Water System 200 222 -
Zion Under Canvas 165 95 -
Washington County Wcd - Cottam 130 30 Clean
Harmony Heights Water Company 120 28 -
Gunlock Special Service District 118 195 Clean
Pine Valley Mt Farms 100 131 -
Washington County Wcd - Kolob Wells 100 20 -
Holmstead Ranch LLC 100 6 -
Terrace Drive Subdivision 90 19 -
Canyons RV Resort 80 0 -
North Valley Ranches Sub 78 956 -
Spruce Culinary Water Co 75 25 -
Big Plains Water Ssd - Canaan Ranch 62 46 -

Other Counties in Utah

Salt Lake County
77 systems · 1,463,023 served · 13,678 violations
Utah County
85 systems · 734,522 served · 16,257 violations
Davis County
25 systems · 411,806 served · 3,162 violations
Weber County
59 systems · 297,962 served · 9,379 violations
Cache County
45 systems · 139,014 served · 9,272 violations
Tooele County
34 systems · 72,658 served · 5,457 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Washington County? ▼
Washington County has 14,833 total drinking water violations across 61 water systems, of which 645 are health-based violations. 96.7% of systems have at least one violation.
How many people get water from Washington County systems? ▼
Water systems in Washington County serve approximately 246,683 people through 61 public water systems.
Has PFAS been detected in Washington County water? ▼
Of 11 water systems tested for PFAS in Washington County, 8 had PFAS detected (72.7% detection rate).
What types of water sources supply Washington County? ▼
Water systems in Washington County use GW (39 systems), SW (11 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. 4.3% of Washington 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.