Drinking Water Compliance OS

CASTRO VALLEY, CA · Alameda County

NORRIS CANYON PROPERTY OWNERS ASSN 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)
CA0103040
System type
Community Water System
Population served
50
Service connections
19
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1982

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

PRATT, AVERY

510-773-6448

CASTRO VALLEY, CA 94552-9733