Maricopa County · Phoenix–Mesa–Chandler metro

Plumbing help in Chandler, AZ

Very Hard WaterNewer Homes

Chandler's water is some of the hardest in the Valley by the city's own numbers, averaging 16.5 grains per gallon. Most homes date from the 1990s and 2000s, so the typical plumbing call is about scale: water heaters, tankless units, softeners, faucets and shower valves.

Call (833) 878-1592Plumbing help in Chandler and Maricopa County

Median home built: 1998
Built before 1980: 9%
Owner-occupied: 63%
Water hardness: Very hard; ≈ 12.5 grains/gal
Winter: Hard freezes are rare
Plumbing code: State code

What Chandler homeowners call plumbers about

Water Softener Installation
At an average of 16.5 grains per gallon, softeners are one of the most common plumbing additions in Chandler homes.
Water Heater Maintenance
Scale settles fast in tank heaters at this hardness; flushing extends their life.
Tankless Water Heaters
Tankless heat exchangers scale up quickly without regular descaling.

Chandler's very hard water and your plumbing

Chandler's drinking water ranges from 5 to 20 grains per gallon of hardness, with a citywide average of 16.5 grains per gallon. [1]

≈ 12.5 gpg

SoftModerately hardHardVery hard

Grains per gallon, from the utility's published figures; hardness varies a lot by source and neighborhood. Scale per USGS hardness classes.

Hard-water upkeep:Water heater flushing Water softeners Hard water and plumbing Noisy water heater

Emergency plumbing in Chandler

Call (833) 878-1592

Shut off your main water supply if it's safe to do so. The emergencies below are listed most likely first for Chandler homes, based on local conditions.

Permits and code in Chandler

Plumbing contractors here are licensed by the Arizona Registrar of Contractors, which offers a public contractor search by license number or business name. [2]

Licensing:Check a plumber's license in Arizona How to check a license

Plumbing in Chandler's newer homes

The median home in Chandler was built in 1998, and 9% of homes predate 1980. Homes from that era were typically built with PEX or CPVC supply and PVC or ABS drains.

Median home: 1998

1900195020002025

Galvanized steel supply (1900–1960)
Copper supply (1950–2000)
Polybutylene (some homes) (1978–1996)
PEX / CPVC (1995–today)

Typical supply-pipe materials by construction year. Many older homes have been partly repiped since.

Common projects in homes like these:Water heater replacement Toilet repair Leak detection

Plumbing services for Chandler homes

Or start from:Plumbing problems Emergencies

Chandler plumbing questions

What should I set my water softener to in Chandler?

The city reports hardness from 5 to 20 grains per gallon with an average of 16.5. Many installers set softeners slightly above the average to cover seasonal swings.

Why does my Chandler water heater make popping sounds?

Hard water sediment on the tank bottom traps water that boils in bursts. See water heater noises.

Is Chandler's hard water a health concern?

The city notes most health officials see no health harm from hardness, and there's no federal limit for it. The concern is scale in plumbing and appliances.

How do I check a Chandler plumbing contractor?

Search the Arizona Registrar of Contractors' contractor database.

Sources (3)

U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
City of Chandler, Water Quality FAQs · checked 2026-10-02
Arizona Registrar of Contractors, Contractor Search · checked 2026-10-02