Tapcensus

Utah

Washington County drinking water quality

60 active public water systems serve 244,316 people in Washington County. 22 are compliant, 38 had at least one EPA violation in the past three years, 0 are designated serious violators, and 1 carries a health flag.

Active systems 60 38 community systems
People served 244K by public water systems
Systems with violations 38 63% of active systems, past 3 years
Serious violators 0 1 systems carry a health flag

Needs attention

North Valley Ranches Sub UTAH27086 · Community water system · Serves 78 10 rules violated in the past three years. Unresolved: Consumer Confidence Rule (CCR), Lead and Copper Rule (LCR), and Revised Total Coliform Rule (RTCR).

Community water systems

38 systems, largest first
SystemServesStatusRules violated, 3 yrUnresolved
ST George City Water System
 105,240 1 0
Washington City
 45,865 1 0
Hurricane City
 25,555 4 0
Ivins
 10,465 0 0
Santa Clara City
 9,000 2 0
Hildale Colorado City
 6,100 3 1
LA Verkin City Water System
 4,500 1 0
Zion Canyon Water System
 3,380 1 0
Enterprise Town Water System
 2,200 1 0
Toquerville Town Water System
 1,931 0 0
Virgin
 1,512 2 0
Diamond Valley Acres
 1,340 2 0
Winchester Hills Water CO
 950 0 0
Dammeron Valley Water Works LLC
 885 1 0
Town of Apple Valley Apple Valley
 815 3 0
Leeds Domestic Water Users Association
 800 0 0
Mountain Springs Water CO
 660 0 0
Springdale Town Water System
 529 1 0
Veyo Culinary Water Assn
 500 0 0
Dixie Deer Ssd
 482 1 1
Kwu INC
 460 0 0
Washington County Wcd Sand Hollow
 425 1 0
Angell Springs Ssd
 358 2 1
Harmony Farms Water Users
 314 2 2
Rockville Pipeline CO
 240 1 0
Kings Row Estates
 234 1 0
New Harmony Water System
 200 4 0
Washington County Wcd Cottam
 130 1 0
Harmony Heights Water Company
 120 7 0
Gunlock Special Service District
 118 1 0
Pine Valley MT Farms
 100 1 0
Canyons RV Resort
 80 0 0
North Valley Ranches Sub
 78 10 3
Town of Apple Valley Canaan
 62 2 0
Pine Valley Irrigation CO
 50 3 0
Central Culinary Water CO
 35 6 0
Washington County Wcd Kayenta Water
 0 0 0
Washington County Wcd Quail Lake
 0 1 0
Non-community systems (22: schools, campgrounds, workplaces, restaurants)

These systems serve places people visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Utah Tech Culinary Water System
 12,000 1 0
Black Desert Resort Water System
 2,800 0 0
Gunlock State Park
 640 0 0
Zion Np Kolob Visitor Center
 503 1 1
Zion NP Sinawava Temple
 500 0 0
Camp Kolob Oak Valley Girl's Camp
 300 2 0
Camp Kolob Spring Creek
 300 1 0
Snow Canyon State Park
 266 0 0
Little Creek Travel Center
 250 0 0
Virgin Sky
 240 1 0
Zion Under Canvas
 165 1 0
Holmstead Ranch LLC
 100 0 0
Washington County Wcd Kolob Wells
 100 0 0
Terrace Drive Subdivision
 90 0 0
Spruce Culinary Water CO
 75 0 0
Zion Red Rock
 61 4 0
Honeycomb Rocks Campground
 50 1 0
Zion Panorama Subdivision
 50 0 0
Kolob Recreation Association Water
 30 2 0
Red Cliffs Campground
 30 0 0
Zion NP East Gate System
 27 0 0
Home Valley Water Company
 26 0 0
Inactive systems (40, no longer operating or reporting)

Kept for the record and excluded from the county totals above. Browse inactive systems.

About this data

Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Utah records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.