HOLLISTER, CA · San Benito County

MCCLOSKEY ROAD LLC Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 29, 2019. 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 San Benito County, CA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): CA3500526
System type: Community Water System
Population served: 0
Service connections: 14
Ownership: privately owned
Water source: groundwater (wells)

MCCLOSKEY ROAD LLC formerly served 0 people from groundwater.

EPA's federal records list this system as inactive in 2019; the record below is historical.

As of August 1, 2026, its federal record holds 32 entries between 1992 and 2008, all of which EPA lists as closed. Nothing has been added since 2008.

Of the 32, 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Chromium
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
January 1, 2008 – January 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
October 10, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
January 1, 2006 – March 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chromium
October 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2005 – September 30, 2005
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 1, 2005 – August 17, 2009
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 1992 – April 30, 1992
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2008 – January 31, 2008	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
October 10, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
October 1, 2005 – December 31, 2005	Maximum Contaminant Level Violation, Average	Chromium	Health-based	Resolved
October 1, 2005 – December 31, 2005	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2005 – August 17, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 1992 – April 30, 1992	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 17, 2009State Compliance achieved7 linked violations
August 17, 2009State Compliance achieved5 linked violations
August 17, 2009State Compliance achieved37 linked violations
August 17, 2009State Compliance achieved14 linked violations
April 11, 2007State Violation/Reminder Notice7 linked violations
September 16, 2005State Violation/Reminder Notice1 linked violation
September 16, 2005State Compliance achieved5 linked violations
August 10, 2005State Compliance achieved3 linked violations
June 21, 2005State Public Notification requested3 linked violations
October 15, 2004State Administrative/Compliance Order without penalty issued15 linked violations
May 6, 2004State Administrative/Compliance Order without penalty issued10 linked violations
November 18, 2003State Administrative/Compliance Order without penalty issued6 linked violations
June 24, 1994State Compliance achieved1 linked violation

Last known contact on file (system is inactive)

MCDONALD, ROGER

831-801-0280

HOLLISTER, CA 95023