Water Softener in Centreville, VA

Signs your home could use a softener

• White crust around faucet bases and on the drain stopper
• Water spots that streak the car or glass shower panels
• A water heater that pops as it heats or delivers less hot water than it used to
• Laundry that feels stiff and colors that fade fast
• A builder-grade softener from the 1990s that no longer keeps up

Centreville water and housing

Fairfax Water draws from the Potomac River at the Corbalis plant and the Occoquan Reservoir at the Griffith plant, on a connected system that can also take Washington Aqueduct water. The Potomac plant's finished water runs about 70 to 185 mg/L of total hardness, and the Occoquan plant about 77 to 147. Either way, most readings fall in the moderately hard to hard band.

Much of Centreville was built in the 1980s and 1990s, with a median build year of about 1991. Copper and PEX supply lines are common, and many houses have an unfinished basement or a utility room where the main enters next to the water heater. That layout usually makes a softener loop simple to add.

Fairfax Water uses chloramines normally from July through March and free chlorine generally from April through June. A softener doesn't remove either. If you want less disinfectant taste, pair the softener with a carbon filter.

What affects the cost

• The hardness number used for sizing and how many people are in the house
• Whether a bypass loop exists or the main has to be cut in
• Routing the drain line to a floor drain, laundry standpipe or sump
• Electrical outlet near the control valve
• Removing an old tank and brine container
• Extras such as a sediment or carbon prefilter

What happens when you call

The number on this page is a free referral service. It connects you with an independent plumber who works in Centreville. Have a rough count of people in the house, where the water main enters, and a photo of any existing softener ready. If new piping is needed, the plumber can check with Fairfax County Land Development Services, which lists permits for new or relocated plumbing and exempts like-for-like replacements in the same location.