Household water treatment in Pleasanton, CA.

In 2025 the City of Pleasanton bought all of its water from Zone 7 Water Agency, treated State Water Project and Lake Del Valle surface water blended with local groundwater. The city's own wells were not in use.

What Pleasanton's 2025 report shows

Pleasanton's 2025 report lists Zone 7's treated surface water at 88 mg/L hardness and the groundwater blended into it at 318 mg/L. How hard your tap runs depends on the mix reaching your neighborhood. The water is chloraminated at an average of 2.31 mg/L, so filtration for taste and smell is often part of the answer.

The way we work does not change from house to house. We look up the public data on your water, tell you what your home actually needs, and put it in for one all-in price.

What we fit in Pleasanton homes

• A softener and carbon filter for the whole house, fitted on your main line, as the flagship bundle starting at $2,699 installed.
• Reverse osmosis under the sink for drinking water, and the part of the setup that deals with PFAS.

Done locally

In Pleasanton we install at the main line, typically in the garage, with a carbon stage for chloramine ahead of or alongside the softener.