Water by zip · 84770
St. George water
St. George blends its own wells and springs with surface water from the Washington County Water Conservancy District, fed by the Virgin River and stored in Quail Lake and Sand Hollow reservoirs. The 2024 report states the water meets or exceeds all state and federal standards. Southern Utah water tends to carry more dissolved minerals than the northern valleys.
Your water system
City of St. George Water Services Department
Source: City groundwater wells and springs in the Navajo Sandstone and Kayenta aquifers, blended with surface water purchased from the Washington County Water Conservancy District drawn from the Virgin River system. Public water system ID UTAH27015.
St. George does not publish a single hardness figure but recommends a water-softener setting of 13 to 24 grains per gallon, indicating hard to very hard water.
What stands out
Where it comes from
The supply combines city groundwater from the Navajo Sandstone and Kayenta aquifers with treated Virgin River water from regional reservoirs.
Arsenic and minerals
The report lists an arsenic running annual average of 8.68 ppb in city groundwater, kept within the 10 ppb standard through blending, with total dissolved solids up to 552 ppm at the regional plant.
Hard like the region
The utility does not print a single hardness number but recommends a water-softener setting of 13 to 24 grains per gallon, which points to hard to very hard water.
This is a plain-language summary, not a substitute for your utility's official report. City of St. George Water Services Department reports meeting federal drinking-water standards. For the full, current numbers, read the official report linked above.
What helps
What we would do about it.
For drinking, a countertop ionizer gives you control over taste and mineral balance, while a whole-home system with salt-free conditioning helps with the area's hardness and chlorine at every tap. Visit The Well for a free water test to see exactly what's in your line.