Drinking Water Compliance OS

LAKE HAVASU CITY, AZ · Mohave County

CASTLE ROCK Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 8, 2025. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Mohave County, AZ.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

System facts

System ID (PWSID)
AZ0408302
System type
Community Water System
Population served
0
Service connections
1
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1986 – December 31, 1988

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

WILSON, TIFFANY

928-764-3151

LAKE HAVASU CITY, AZ 86404