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Lead service lines in Mesa, AZ

12 water utilities serve Mesa, with approximately 469,072 people served.

Last verified from EPA SDWIS + utility inventories: 2026-04-14
Known lead
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Lead Service Lines in Mesa, AZ

Mesa serves about 469,000 people through 12 water systems. The largest is Mesa City of, which provides water to around 466,000 residents.

What we know about lead service lines in Mesa

Currently, there are no confirmed lead service lines reported in Mesa's water systems. However, this doesn't mean lead pipes aren't present—it means the data either hasn't been collected yet, is still being compiled, or was reported as unknown.

The EPA requires all water utilities to locate and document lead service lines by 2024 (with extensions possible to 2026). Many systems are still completing their inventories. Mesa City of and other local systems may be in various stages of this process.

Why this matters

Lead service lines are the most common source of lead in drinking water. Even if your water provider tests the water leaving the treatment plant and finds it safe, lead can leach into your water as it travels through old pipes to your home.

Lead exposure has no safe level, especially for young children and pregnant people. If your home was built before 1986, there's a higher chance your service line contains lead.

What you can do right now

Contact your water utility directly. They can tell you:

  • Whether your home has a lead service line
  • What's currently known about your area
  • When their full inventory will be available
  • Free or discounted testing options

You can also have your water tested for lead at home. An inexpensive test kit costs $10–$30 and takes a few minutes. If results show lead above 15 parts per billion (ppb), contact your utility and consider interim steps like flushing your lines or using a filter certified for lead removal.

If you're concerned about a child's exposure to lead, talk to your pediatrician or call the CDC's lead hotline at 1-800-CDC-INFO.

Next steps for residents

  • Contact Mesa City of or your local water utility (see the list above) and ask about their lead service line inventory status
  • Request a free water test through your utility if available
  • Consider a home lead test kit if you want results sooner ($10–$30 at hardware stores)
  • If you have young children or are pregnant, discuss any water safety concerns with your doctor

Utilities serving Mesa

Common questions

Does Mesa have lead in the water?

No confirmed lead service lines are currently reported in Mesa's water systems. However, data collection is ongoing—many utilities are still completing their inventories as required by the EPA. Contact Mesa City of or your local utility for the most current information about your area.

How do I know if my house has a lead service line?

Call your water utility and ask—they're required to help you find out. You can also hire a plumber to inspect your line, or do a simple visual check of the pipe entering your home (lead is soft, gray, and leaves a mark if you scratch it gently with a coin). A water test can also detect lead coming from your pipes.

Is lead service line lead dangerous?

Yes. Lead service lines are the most common source of lead in drinking water. Lead has no safe exposure level, especially for children under 6 and pregnant people. Even low levels over time can cause health problems.

What should I do if I think I have lead pipes?

Get your water tested (your utility may offer free kits), flush your taps before drinking or cooking, and consider a filter certified for lead removal. For long-term safety, ask your utility about replacing your service line—some offer assistance programs.