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Investigation OpenCalifornia Attorney General filing · June 30, 2025

Cucamonga Valley Water District Confirms Data Breach Incident

The Cucamonga Valley Water District in California has reported a data breach that occurred in August 2024. While the specific types of information involved remain under investigation, individuals whose data may have been exposed are advised to take general protective measures to safeguard their personal accounts.

State
California
Breach date
August 15, 2024
Reported
June 30, 2025

The Cucamonga Valley Water District, located in California, officially reported a data breach incident on June 30, 2025. The district indicated that the breach itself took place on August 15, 2024, and the matter is currently under investigation by authorities.

The public filing does not specify the exact categories of personal information that may have been compromised during the incident. As such, any information potentially affected is referred to generally as 'personal information' or 'your data'. It is important not to infer any specific data types, as these details have not been made public.

For individuals potentially affected, this situation means there is a risk that their personal information may be in the hands of unauthorized parties. The full scope of the impact and the nature of the exposed data are still being determined as part of the ongoing investigation.

As a general precaution, and without specific knowledge of the data types involved, affected individuals should remain vigilant. Regularly review statements from financial institutions and other accounts for any unusual activity. Be cautious of unsolicited communications that request personal details, as these could be phishing attempts.

Consider enabling multi-factor authentication on online accounts whenever possible, as this adds an extra layer of security. It is also wise to be wary of emails, texts, or phone calls that seem suspicious, especially those asking for passwords or other sensitive information.

This information is based on public disclosures made by the Cucamonga Valley Water District to regulatory bodies. Further details may emerge as the investigation progresses.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Source: California Attorney General filing

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