Madison County · Huntsville metro
Plumbing help in Huntsville, AL
Moderately Hard WaterFreeze Risk
Huntsville blends softer Tennessee River water with harder limestone-aquifer well water, so hardness depends on your area. A fast-growing city with many post-1980 homes, it sees water heater, fixture and storm-related calls most.
- Median home built
- 1986
- Built before 1980
- 41%
- Owner-occupied
- 57%
- Water hardness
- Moderately hard
- ≈ 4.1 grains/gal
- Winter
- Occasional hard freezes
- Plumbing code
- State code
What Huntsville homeowners call plumbers about
- Water Heater Replacement
Homes from the 1980s–2000s growth years are replacing heaters.
- Water Softener Installation
Areas served by harder well water see more scale.
- Sewer Backup
Heavy storms overwhelm drainage.
Emergency plumbing in Huntsville
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 Huntsville homes, based on local conditions.
Permits and code in Huntsville
Plumbers here must be certified by the Alabama Plumbers and Gas Fitters Examining Board. [2]
Huntsville's water: moderately hard
Huntsville Utilities treats Tennessee River and Guntersville Lake water at three surface plants (about 65 to 75 mg/L hardness) and pumps groundwater from limestone aquifers (about 160 to 170 mg/L). [1]
When Huntsville gets a hard freeze
Occasional hard freezes · median home built 1986
Polybutylene-era homes in Huntsville
The median home in Huntsville was built in 1986, and 41% of homes predate 1980. Homes from that era were typically built with copper or CPVC supply, plastic drains, and in some homes gray polybutylene supply pipe.
- Galvanized steel supply (1900–1960)
- Copper supply (1950–2000)
- Polybutylene (some homes) (1978–1996)
- PEX / CPVC (1995–today)
Heavy rain and storms
Plumbing services for Huntsville homes
Huntsville plumbing questions
Is Huntsville water hard?
It depends on the source. River water runs about 65 to 75 mg/L, while groundwater is harder at about 160 to 170 mg/L.
Where does Huntsville's water come from?
The Tennessee River and Guntersville Lake, plus limestone-aquifer wells.
How do I check a Huntsville plumber?
Verify the certification with the Alabama Plumbers and Gas Fitters Examining Board.
Do I need a water softener in Huntsville?
Homes served mostly by well water benefit more. Check with Huntsville Utilities which source serves your area.
How often should I flush my water heater in Huntsville?
Once a year is a good baseline, and more often in harder-water areas.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- Huntsville Utilities, Water Quality Report · checked 2026-10-01
- Alabama Plumbers and Gas Fitters Examining Board · checked 2026-10-01