Clark County · Las Vegas–Henderson–North Las Vegas metro
Plumbing help in Henderson, NV
Very Hard WaterFreeze Risk
Henderson is one of the newest large cities in the US: the median home was built in the 2000s. But its Lake Mead water is very hard, so scale and water heaters, not old pipe, dominate local plumbing calls.

- Median home built
- 2002
- Built before 1980
- 7%
- Owner-occupied
- 67%
- Water hardness
- Very hard
- ≈ 18 grains/gal
- Winter
- Occasional hard freezes
- Plumbing code
- UPC
What Henderson homeowners call plumbers about
- Water Softener Installation
At about 18 grains per gallon, many homes soften to protect heaters and fixtures.
- Water Heater Repair
Sediment and scale build fast in tank heaters with water this hard.
- Tankless Water Heaters
Tankless units need descaling more often in very hard water.
Henderson's very hard water and your plumbing
Henderson's water is typically about 304 ppm, or 18 grains per gallon (very hard). The calcium and magnesium come from the Colorado River into Lake Mead. [1]
Emergency plumbing in Henderson
Call (833) 878-1592Shut off your main water supply if it's safe to do so. The emergencies below are listed most likely first for Henderson homes, based on local conditions.
Permits and code in Henderson
Henderson is in Southern Nevada, where Clark County and its cities use the 2024 Uniform Plumbing Code with Southern Nevada amendments. [2]
When Henderson gets a hard freeze
Occasional hard freezes · median home built 2002
Plumbing in Henderson's newer homes
The median home in Henderson was built in 2002, and 7% of homes predate 1980. Homes from that era were typically built with PEX or CPVC supply and PVC or ABS drains.
- Galvanized steel supply (1900–1960)
- Copper supply (1950–2000)
- Polybutylene (some homes) (1978–1996)
- PEX / CPVC (1995–today)
Plumbing services for Henderson homes
Henderson plumbing questions
How hard is Henderson water?
Very hard: about 304 ppm, or 18 grains per gallon, according to the City of Henderson.
How often should I flush my water heater in Henderson?
At least yearly with water this hard, and descale tankless units on the manufacturer's schedule or sooner.
Do newer Henderson homes still get plumbing problems?
Yes. Hard water, not age, is the main driver: scale in heaters, fixtures and appliances, plus slab leaks in some homes.
How do I check a Henderson plumbing contractor?
Search the Nevada State Contractors Board license lookup; plumbing contractors hold a C-1 classification.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- City of Henderson, Water Quality Report · checked 2026-10-01
- Clark County, Southern Nevada Amendments to the 2024 UPC · checked 2026-10-01
