SafeTap California is the state chapter of a national clean water program. We are not affiliated with the city or state. We exist because the public sector has documented it cannot close the gap on its current funding timeline. If your address is in a flagged zone, you qualify for a no-cost in-home water assessment.
Enter your ZIP code to see if your area is flagged, then browse all 50 Southern California cities with documented water quality violations below.
California's State Water Resources Control Board has identified $11.5 billion in 5-year drinking water needs to bring the state's residential water systems into reliable compliance.
Available state funding — including the SAFER program and the Drinking Water State Revolving Fund — totals approximately $3.5 billion over 5 years. The grant-eligible funding gap is $5.5 billion, with an additional $13.9 billion in local cost share required to achieve the Human Right to Water. Repair timelines for many systems are measured in decades, not years.
The California chapter is operated by OneSource Water Solutions as the certified program operator. OneSource conducts in-home assessments, treatment specification, and program oversight under WSA standards. Certified installation is performed by credentialed contractors in the Certified Partner Network under OneSource oversight.
This is why we operate by zone qualification rather than open enrollment. Households in flagged zones — those classified Advisory or Critical based on documented contaminants and infrastructure data — qualify for the program. Households outside flagged zones do not.
Why a review period? The state allows three to five days for households to review any in-home contract. SafeTap's review period is built into the program structure — you receive your eligibility determination and program terms in writing before installation is scheduled. This is intentional. It protects households and ensures qualification is based on documented zone status, not pressure.
A program coordinator tests your water on-site for zone-specific contaminants and reviews household water use. You receive the results regardless of whether you proceed with the program.
Treatment systems specified under SafeTap are independently certified to NSF/ANSI 42, 53, 58, and 401 standards — matched to documented contaminants in your zone, not to inventory.
Post-installation verification confirms the system performs against named contaminants. Households receive certification documentation and an annual performance check under standard program terms.
Verify your zone classification and, if eligible, schedule a no-cost in-home assessment. Submission does not enroll you.