Salt Lake City Tap Water Quality: Is It Safe to Drink? (2026 Report)

Salt Lake City, Utah tap water receives a grade of C (42/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 657 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

Of the 76 contaminants tested in Salt Lake City's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.

Yes, Salt Lake City has 657 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, Other. 12 of these are health-based violations, which are the most serious category.

Salt Lake City water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.

Salt Lake City's drinking water is sourced from groundwater and supplied by MOUNTAIN GREEN MUTUAL WATER COMPANY and 5 other water system(s). The system serves approximately 539,355 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.

Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Salt Lake City's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.

Salt Lake City's water quality score of 42/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Utah state page to see how all cities in the state compare.

If you have concerns about Salt Lake City's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (MOUNTAIN GREEN MUTUAL WATER COMPANY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.