SAN JOSE, CA · Santa Clara County

ABORN HEIGHTS WATER MUTUAL ASSOCIATION 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): CA4300792
System type: Community Water System
Population served: 45
Service connections: 38
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Check/Repeat/Confirmation
—
Radium-226
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Check/Repeat/Confirmation
—
Nitrate
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Benzene
January 1, 1994 – February 28, 1997
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
September 1, 1984 – September 30, 1984
Archived
Notification, Public
—
No contaminant on record
September 1, 1984 – September 30, 1984
Archived
Notification, Public
—
No contaminant on record
August 1, 1984 – August 31, 1984
Archived
Notification, Public
—
No contaminant on record
July 1, 1984 – July 31, 1984
Archived
Notification, Public
—
No contaminant on record
May 1, 1984 – May 31, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 1984 – April 30, 1984
Archived
Notification, Public
—
No contaminant on record
April 1, 1984 – April 30, 1984
Archived
Notification, Public
—
No contaminant on record
February 1, 1984 – February 29, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
February 1, 1984 – February 29, 1984
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 1999 – December 31, 1999	Monitoring, Check/Repeat/Confirmation	Radium-226	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Check/Repeat/Confirmation	Nitrate	—	Resolved
January 1, 1994 – February 28, 1997	Monitoring, Regular	Benzene	—	Resolved
September 1, 1984 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
September 1, 1984 – September 30, 1984	Notification, Public	—	—	Archived
August 1, 1984 – August 31, 1984	Notification, Public	—	—	Archived
July 1, 1984 – July 31, 1984	Notification, Public	—	—	Archived
May 1, 1984 – May 31, 1984	Notification, Public	—	—	Archived
April 1, 1984 – April 30, 1984	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 1984 – April 30, 1984	Notification, Public	—	—	Archived
February 1, 1984 – February 29, 1984	Notification, Public	—	—	Archived
February 1, 1984 – February 29, 1984	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

February 27, 2018State Compliance achieved1 linked violation
December 6, 2004State Formal Notice of Violation issued1 linked violation
November 30, 2004State Compliance achieved3 linked violations
August 2, 2000State Compliance achieved3 linked violations
August 2, 2000State Violation/Reminder Notice2 linked violations
August 2, 2000State Public Notification received3 linked violations
January 20, 2000State Public Notification received2 linked violations
January 20, 2000State Compliance achieved1 linked violation
January 20, 2000State Violation/Reminder Notice2 linked violations
December 21, 1998State Public Notification received1 linked violation
December 21, 1998State Public Notification requested1 linked violation
April 15, 1998State Compliance achieved2 linked violations
October 7, 1996State Violation/Reminder Notice4 linked violations
February 2, 1996State Violation/Reminder Notice5 linked violations
February 2, 1996State Public Notification received2 linked violations
January 11, 1994State Public Notification requested2 linked violations
January 11, 1994State Violation/Reminder Notice2 linked violations
January 11, 1994State Compliance achieved1 linked violation

Contact

PHELAN, JOHN

408-274-7160

SAN JOSE, CA 95135