Drinking Water Compliance OS

APPLE VALLEY, CA · San Bernardino County

MARIANA RANCHOS CWD Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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 California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID)
CA3610030
System type
Community Water System
Population served
1,502
Service connections
455
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    July 1, 2008 – July 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 2005 – March 31, 2005

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

BUCHMANN, MATT

760-247-9405

APPLE VALLEY, CA 92308