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Salt Lake County, UT Water Quality

Water quality data for 20 public water systems serving Salt Lake County, Utah — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 20 water systems · 24 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Salt Lake County Earns a B

Salt Lake County: 24 communities across 20 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.80 ppb
  • 24 communities with a lead detection, 0 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 12 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.8 ppb
Median Lead Level
County-wide, 90th percentile
20
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • West Valley City
    1.90 ppb
    No federal limits exceeded on record
    A
  • South Jordan
    4.10 ppb
    No federal limits exceeded on record
    A
  • Taylorsville
    3.30 ppb
    No federal limits exceeded on record
    A
  • Murray
    1.30 ppb
    No federal limits exceeded on record
    A
  • Bluffdale
    2.50 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Emigration Canyon
    11.20 ppb
    Copper above the 1,300 ppb action level
    C
  • Alta
    7.50 ppb
    3 significant inspection deficiencies
    C
  • Draper
    2.80 ppb
    3 significant inspection deficiencies
    B
  • South Salt Lake
    5.05 ppb
    2 significant inspection deficiencies
    B
  • Salt Lake City
    2.51 ppb
    2 significant inspection deficiencies
    B
County Lead Level — Median 2.8 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.8 ppb — 18.7% of the federal action level
Systems by Lead Level
Under 5 ppb
20
5 – 10 ppb
3
10 – 15 ppb
1

All Cities in Salt Lake County

Salt Lake City 2.51 ppb B
West Valley City 1.90 ppb A
West Jordan 3.00 ppb A
Sandy 2.92 ppb A
South Jordan 4.10 ppb A
Taylorsville 3.30 ppb A
Herriman 3.80 ppb B
Millcreek 2.51 ppb B
Riverton 3.00 ppb A
Murray 1.30 ppb A
Midvale 2.80 ppb A
Kearns 1.30 ppb B
Cottonwood Heights 2.51 ppb B
Draper 2.80 ppb B
Magna 1.70 ppb A
Holladay 2.51 ppb B
Bluffdale 2.50 ppb A
South Salt Lake 5.05 ppb B
White City 5.70 ppb A
Emigration Canyon 11.20 ppb C
Granite 2.92 ppb A
Copperton 2.60 ppb B
Alta 7.50 ppb C
Brighton 1.70 ppb B
Showing 24 cities
No active violations Active violations

About Salt Lake County Drinking Water

Salt Lake County is served by 20 water systems covering 24 communities. No community here has an open violation on record.

Of the communities reporting lead results, 24 recorded a detection, with a median of 2.80 ppb — 19% of the federal action level. 0 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 12 of them.

Frequently Asked Questions

Is Salt Lake County tap water safe to drink?▼
No community in Salt Lake County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Salt Lake County?▼
Among communities with a detection the median is 2.80 ppb, 19% of the 15 ppb action level. 0 reported none detected and 0 reported no result.
How many water systems serve Salt Lake County?▼
20 community water systems serve 24 communities here.
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