Utah Water Quality Report
Tap water quality data for 5 cities in Utah, updated 2026.
US average: 100 ppm
5 of 5 cities violation-free
5 cities tested
5 water systems tracked
Cleanest Tap Water in Utah
Cities with the fewest water quality issues
Salt Lake City
381K served
Granger-hunter Improvement District
121K served
West Jordan City
117K served
Provo City
116K served
St George City
105K served
No cities in Utah have recorded water quality violations in the past 3 years.
Water Hardness Across Utah
Not sure what your hardness means? Use our Water Hardness Calculator or find the best hardness test kits.
Utah Tap Water: What You Need to Know
Utah has 5 tracked water utilities serving approximately 841K residents. The average water hardness is 381 ppm (22.3 GPG), classified as Very Hard — above the national average of 100 ppm. Hardness ranges from 276 ppm in Provo City to 442 ppm in West Jordan City.
No cities in Utah have recorded water quality violations in the past 3 years — an excellent compliance record. All 5 tested cities have lead levels below the EPA action level of 15 ppb.
With very hard water on average, many Utah residents may notice mineral buildup on fixtures, dry skin, or stiff-feeling hair. A shower filter for hard water can help reduce chlorine exposure, while a water softener addresses the mineral buildup directly.
Frequently Asked Questions About Utah Water
Is tap water safe to drink in Utah?
Based on available EPA data, no cities in Utah have recorded water quality violations in the past 3 years. However, water quality can vary by building — older homes may have lead pipes. Consider testing your water at home for complete peace of mind.
How hard is the water in Utah?
Utah's average water hardness is 381 ppm (22.3 GPG), classified as Very Hard. This is above the national average of 100 ppm. Hardness varies significantly by city — use our Water Hardness Calculator to check your specific area.
Which city in Utah has the cleanest tap water?
Based on EPA violation data, lead testing, and water quality metrics, Salt Lake City ranks as having the cleanest tap water in Utah. It has zero violations in the past 3 years and lead levels well below the EPA action level.
Where does Utah get its water from?
The majority of Utah's water systems (100%) use surface water as their primary source. Surface water comes from rivers, lakes, and reservoirs. Each city's specific source can vary — check individual city reports for details.
All 5 Cities
Sorted by population served
Salt Lake City
Utility serves 381K
Granger-hunter Improvement District
Utility serves 121K
West Jordan City
Utility serves 117K
Provo City
Utility serves 116K
St George City
Utility serves 105K