Exceeds EPA Limit Lead EXCEEDS EPA LIMIT

Lead in Smithfield, UT Drinking Water

Lead data for Smithfield, Utah · 18,723 residents · 1 ZIP code

Lead is regulated under the Safe Drinking Water Act because of its potential health effects at elevated concentrations; for residents of Smithfield, Utah, the relevant fact is that it has shown up in recent EPA compliance samples — point-of-use filtration is one option residents research, alongside reviewing the utility's published treatment data.

46 ppb
Max Level Detected
46 ppb
Average Level
15 ppb (action level)
EPA action level
High
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14

Lead in Smithfield Tap Water

Lead has been detected in Smithfield, Utah drinking water at a maximum level of 46 ppb — 3.07x the EPA action level.

This analysis covers 18,723 residents across 1 ZIP code in Smithfield.

Smithfield's overall water quality grade is C (58/100).

Is Lead in Smithfield Water Safe?

Lead levels in parts of Smithfield exceed the EPA action level of 15 ppb (action level). The EPA requires water systems to take corrective action when this limit is exceeded.

If you live in an affected ZIP code, consider installing a reverse osmosis or nsf 53 carbon block filter certified under NSF 53 / NSF 58 and testing your water independently.

Lead Levels by ZIP Code

ZIP Code Lead Level EPA Limit Status
84335 46 ppb 15 ppb (action level) Exceeds limit

Average lead level across Smithfield: 46 ppb

Health Effects of Lead

  • Brain development delays and reduced IQ in children
  • Behavioral problems and learning disabilities
  • High blood pressure and kidney damage in adults
  • Increased risk of premature birth in pregnant women

Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).

How Lead Gets Into Drinking Water

  • Corrosion of lead service lines (pipes connecting water main to home)
  • Lead solder in copper plumbing joints (pre-1986 homes)
  • Brass fixtures and faucets manufactured before 2014
  • Stagnant water that sits in lead-containing pipes overnight

What to Do About Lead in Smithfield Water

  1. Install an NSF 53 or NSF 58 certified filter at kitchen sink
  2. Run cold water for 30 seconds before using for drinking or cooking
  3. Use cold water only for cooking and preparing formula
  4. Consider whole-home reverse osmosis if lead service line is present

Look for filters certified under NSF 53 / NSF 58 for lead removal.

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