State guide
Arizona
Arizona’s ADEQ runs the statewide Lead and Copper Rule compliance program, and several Arizona utilities now post public service line inventories.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- State lead service line page
- Official page →
Official resources in Arizona
State drinking water page for Arizona’s lead service line inventory requirements, templates, and utility compliance guidance.
Phoenix’s official lead service line page with replacement process details and links to its public inventory.
Phoenix’s public map for address-level service line inventory results.
Tucson’s official page explaining notices, owner responsibility, inventory maps, and no-cost replacement when replacement is confirmed.
Utility page with community-specific inventory maps and utility explanations of service line classifications.
Key facts for Arizona
- ADEQ says more than 900 Arizona public water systems are affected by the revised Lead and Copper Rule requirements.
- ADEQ says Arizona systems serving more than 50,000 people must post lead service lines on a publicly available website.
- Phoenix says it completed initial field investigations in March 2024 and submitted its inventory to ADEQ in October 2024.
- Phoenix says full replacement runs from the city meter box to the hose bib or building connection, and the City covers the entire cost.
- Tucson says private-side lines from the meter to the home are normally the owner’s responsibility, but Tucson will replace confirmed lead lines there at no cost.
- Arizona Water Company said in its November 18, 2024 notice that it had found no lead service lines so far and had ten galvanized customers needing more investigation.
Utility help for homeowners in Arizona
| Utility | city | program | Details |
|---|---|---|---|
| City of Phoenix Water Services Department | Phoenix | — | If a customer’s service line is identified as galvanized, Phoenix says it will schedule full replacement from the city meter box to the hose bib or building connection, and the City covers the entire cost. |
| Tucson Water | Tucson | — | Tucson says it will replace water service lines from the meter to the home that are found to contain lead, and confirmed galvanized requiring replacement lines, at no cost to the customer. |
What to do next
- Check your utility’s public inventory map first; Phoenix, Tucson, and Arizona Water Company all publish official online inventory tools.
- If Phoenix or Tucson contacts you about lead or galvanized requiring replacement, respond quickly to inspections, contracts, and scheduling so the no-cost replacement can proceed.
- If you are served by Arizona Water Company, review your community map and mailed notice status before planning any private-side replacement work.
Helpful guides
- Who pays to replace the private side of a lead service line?
- Lead service line replacement grants, reimbursements and loans
- How to tell if your water service line is lead
- The Lead and Copper Rule Improvements: what homeowners need to know
Lead line cost-share estimator →