SAN JUAN BAUTISTA, CA · San Benito County

LOS MADRONES MWC 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): CA3500578
System type: Community Water System
Population served: 36
Service connections: 14
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
August 1, 2016 – August 31, 2016
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
September 1, 2006 – September 28, 2009
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – December 31, 2005
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 1, 2016 – August 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2006 – September 28, 2009	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

December 31, 2007Federal Compliance achieved1 linked violation
October 18, 2007State Administrative/Compliance Order without penalty issued7 linked violations
April 3, 2006State Compliance achieved15 linked violations
January 24, 2003State Administrative/Compliance Order without penalty issued10 linked violations
October 30, 1994State Compliance achieved13 linked violations

Contact

O'MALLEY SOLIS, JESSIE

408-483-0857

SAN JUAN BAUTISTA, CA 95045