Salt Lake City, UT Water Quality
Salt Lake City, UT has 2 public water systems serving 502,257 people. The average Water Safety Score is 68/100 (F). 2 health violations are on record.
Water Systems in Salt Lake City
Contaminants Detected in Salt Lake City Water
| Contaminant | Systems Detected | Exceeding MCL |
|---|---|---|
| E. coli | 1 | 0 |
| Combined Filter Effluent | 1 | 0 |
Frequently Asked Questions
Salt Lake City has 2 public water systems serving 502,257 people. The average Water Safety Score is 68/100. There are 2 health violations on record. Check individual systems below for details.
Salt Lake City water systems have detected 2 contaminants, including E. coli, Combined Filter Effluent. No contaminant exceedances above EPA limits are currently recorded.
The Water Safety Score (0-100, grades A through F) weighs health-based violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%). Scores are based on EPA SDWIS data from the last 10 years.
Request your utility's Consumer Confidence Report (CCR), consider an independent water test from a certified lab, and look into NSF-certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System. City data aggregates all public water systems serving the municipality.
The this entity record above pulls directly from the EPA Safe Drinking Water Information System (SDWIS). What follows is the per-entity context — how this entity sits in the broader U.S. public drinking-water safety distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the EPA Safe Drinking Water Information System (SDWIS) portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public water systems with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: EPA Ground Water and Drinking Water, 2026.