Click to Home
I Want To
Go To Search
Help Center
Water Quality
2018 Lead & Copper Tap Sampling Program
Find out if your residence is eligible for inclusion in this important program.

Annual Water Quality Reports
Download copies of ACWD Annual Water Quality reports dating back to 2003.

Main Cleaning
Find out when the water mains in your neighborhood will be cleaned.

Water Hardness Map
Use this map to determine the hardness of the water delivered to your neighborhood.

Water Quality FAQs
Get answers to frequently asked water quality questions.

Water Quality Self-Diagnostic Tool
Tool to assist with the most common water quality issues and solutions.

Local State-Certified Commercial Laboratories
A resource to find local state-certified commercial laboratories for independent internal home water testing.

Contact Us
Technician in lab coat examines samples
ACWD Water Quality Division

Report a Water Quality Issue

43885 S. Grimmer Blvd.
Fremont, CA 94538

Ph: (510) 668-6500
Info Advanced