B
75

Good Water Quality

Salt Lake City, UT 84117

Salt Lake County · Population served: 534,232 · Data updated March 2026

Water Systems Serving This Area

🏔
HOLLIDAY WATER COMPANY
Surface water · Pop. 15,000
PWSID: UTAH18010
🌊
MURRAY CITY WATER SYSTEM
Groundwater · Pop. 38,723
PWSID: UTAH18024
🏔
SALT LAKE CITY WATER SYSTEM
Surface water · Pop. 381,174
PWSID: UTAH18026
🏔
JORDAN VALLEY WCD
Surface water · Pop. 99,335
PWSID: UTAH18027

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
5.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

11 detected 2 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFHxS18.2 ppt10 ppt10 pptExceeded
PFPeA8.9 pptNo standardUnregulated
PFBS7.5 ppt2000 ppt100 pptBelow limit
PFHxA7.1 pptNo standard400 pptUnregulated
PFOS7.1 ppt4 ppt4 pptExceeded
PFBA6.2 pptNo standard500 pptUnregulated
PFPeA6.2 pptNo standardUnregulated
PFHxA5.7 pptNo standard400 pptUnregulated

Violation History (Last 5 Years)

3Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Salt Lake City

Tap water quality in Salt Lake City, Utah (84117) receives an overall grade of B (Good) with a score of 75 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Utah state average of 74. The area is served by 4 water systems providing water to approximately 534,232 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. Notably, 2 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals.

Your Score 75/100 B
vs State 1 pts above Utah avg (74)
vs National Equal to national average (75)

What a Grade B Means

A score of 75/100 means the water in Salt Lake City, UT is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Salt Lake City, Utah receives a grade of B (Good) with a score of 75/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 84117 is served by 4 water systems using surface water, groundwater sources, providing water to approximately 534,232 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 5.0 ppb in Salt Lake City, Utah. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

Yes — 11 PFAS compounds were detected in water serving Salt Lake City, Utah, and 2 exceed EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving Salt Lake City, Utah have received 3 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Salt Lake City, Utah should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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