Cucamonga Valley Water District Data Breach (2025): What Was Exposed & Free Credit Monitoring

✅ Official notice on file. Cucamonga Valley Water District filed this data breach notice with the California Attorney General on Jun 30, 2025. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

Cucamonga Valley Water District reported a data breach caused by unauthorized access to one or more employee email accounts.

Key facts

Incident type Email account compromise
Reported to California AG Jun 30, 2025
Company helpline 1-833-367-5981

Free credit monitoring

Cucamonga Valley Water District is offering Cyberscout (TransUnion) at no cost to people who received the letter. Enroll at bfs.cyberscout.com/activate using the activation code printed on your letter.

What to do now

  1. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  2. Call the Cucamonga Valley Water District helpline at 1-833-367-5981 if you have questions about your letter.

Other recent data breaches

Source: notification letter and filing submitted by Cucamonga Valley Water District to the California Attorney General. BreachLetter is not affiliated with Cucamonga Valley Water District. Details extracted from the official letter; always follow the instructions in your own copy.