This directory identifies first-party water-quality report starting points. It does not identify a property's provider. It does not interpret test results. It does not assess whether water is safe for a person or use. It does not diagnose a color, taste, odor, health, or plumbing condition, recommend treatment, replace provider or public-health instructions, or confirm Avila service coverage.
Confirm the retail provider before choosing a report
Start with the provider named on the current water bill or an official provider lookup for the service address. A city, ZIP code, wholesale supplier, or nearby utility does not by itself identify the retail water system for a property.
Some Bay Area cities contain more than one provider or system. Record the provider, district, and system labels exactly as the first-party source presents them instead of applying one report to a neighboring service area.
Choose the report for the correct system and reporting year
Use the provider's current report page or archive. Confirm the system or district name, report year, language, and publication context before saving a link or PDF. A report from a different provider, district, system, or year is not a substitute for the property's current first-party source.
Save the provider landing page when possible because annual PDF filenames can change. If the provider offers only a current PDF, record the report title and the date you opened it so the source can be checked again later.
Record these source details
- Provider, district, and water-system name
- Report or Consumer Confidence Report year
- Landing-page URL and direct report URL when available
- Language or accessible format used
- Date the provider source was checked
Keep a system report separate from a property observation
A provider report describes the water system and reporting period identified by that provider. It is not a property-specific inspection, fixture sample, health assessment, plumbing diagnosis, or finding about a visible condition at one address.
For a color, taste, odor, pressure, residue, fixture, or piping concern, record what is observed, where and when it occurs, which fixtures are involved, and whether the provider has issued a current notice. Do not use this directory to decide the cause or whether the water is appropriate for a person or use.
Route report, health, and plumbing questions separately
Use the provider's current contact path for questions about its report, system, testing, notices, account, or service boundary. Follow current provider and public-health instructions for health or water-use questions rather than relying on a plumbing website summary.
Contact the plumbing service provider separately about an observed property condition and provide the address, fixture or piping location, timeline, photos, provider contact record, and available report link. The provider can confirm whether the request fits its current scope; the report does not establish the property cause or repair path.
Preserve one dated research record
Keep the provider name, system label, report year, source URL, access date, provider contact, and property observation in one private record. Remove account numbers, payment details, resident information, medical information, and access credentials before sharing a service summary.
When a provider publishes a new annual report or notice, retain the older record if it explains the date of a prior observation, then add the new source as a separate dated entry. Do not silently replace the report year in a historical property record.
Use the directory only as a maintained starting point
The sources below are first-party city, district, agency, and regulated-provider pages reviewed on the date shown. Provider boundaries, system labels, report pages, archives, notices, contacts, and report years can change.
A source listing does not identify the provider for a particular address, interpret a test result, assess safety or health, diagnose a plumbing condition, recommend treatment, or state that Avila serves the listed provider territory. Confirm each decision through the current first-party source and the appropriate qualified contact.
First-party water-quality report starting points
Confirm the retail provider and exact water system first. Then open that provider's current report and use its own contact path for report, water-quality, health, or account questions.
San José Municipal Water System
City of San José Environmental Services
First-party web report and current downloadable report path for the San José Municipal Water System.
San Jose Water
San Jose Water
Provider water-quality hub with the current Consumer Confidence Report and prior-report archive.
Great Oaks Water
Great Oaks Water Company
Provider water-quality page linking its current Consumer Confidence Report.
Santa Clara
City of Santa Clara Water & Sewer Utilities
City water-quality hub with report, source, monitoring, and current utility-contact information.
Sunnyvale
City of Sunnyvale Environmental Services
City water-quality page linking the current report and water-source information.
Mountain View
City of Mountain View Public Works
City report page with the current Water Quality Report, prior reports, and report-contact path.
Palo Alto
City of Palo Alto Utilities
City water-resources page with the most recent Consumer Confidence Report and prior-report archive.
San Francisco
San Francisco Public Utilities Commission
SFPUC's current annual Water Quality Report for the San Francisco water system.
East Bay Municipal Utility District
East Bay Municipal Utility District
District publications page with current and prior annual Water Quality Reports in multiple languages.
Alameda County Water District
Alameda County Water District
District landing page for current and archived annual Water Quality Reports.
Contra Costa Water District
Contra Costa Water District
District Water Quality Report hub with current report content and report archives.
Marin Water
Marin Municipal Water District
District annual-report page with the current report and prior-report downloads.
Cal Water Bay Area districts
California Water Service
Provider report selector for the exact district and water system, including Bay Area systems.
Mid-Peninsula Water District
Mid-Peninsula Water District
District document hub with the current Consumer Confidence Report and earlier reports.