LOS GATOS, CA · Santa Clara County
ALDERCROFT HEIGHTS COUNTY WATER DISTRICT Water System
Consumer Confidence Report status
ALDERCROFT HEIGHTS COUNTY WATER DISTRICT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for ALDERCROFT HEIGHTS COUNTY WATER DISTRICT.
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)
- CA4300516
- System type
- Community Water System
- Population served
- 338
- Service connections
- 116
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
ALDERCROFT HEIGHTS COUNTY WATER DISTRICT is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 338 people from surface water.
As of August 1, 2026, its federal record holds 27 entries between 1981 and 1999, all of which EPA lists as closed. Nothing has been added since 1999.
Of the 27, 2 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 the Miscellaneous Other Rules, the Lead and Copper Rule, and the Total Coliform Rules.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 1999 – January 20, 2000
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1998 – October 31, 1998
ResolvedNotification, Public
—No contaminant on record
September 1, 1984 – September 30, 1984
ArchivedNotification, Public
—No contaminant on record
August 1, 1984 – August 31, 1984
ArchivedNotification, Public
—No contaminant on record
July 1, 1984 – July 31, 1984
ArchivedNotification, Public
—No contaminant on record
June 1, 1984 – June 30, 1984
ArchivedNotification, Public
—No contaminant on record
May 1, 1984 – May 31, 1984
ArchivedNotification, Public
—No contaminant on record
April 1, 1984 – April 30, 1984
ArchivedNotification, Public
—No contaminant on record
March 1, 1984 – March 31, 1984
ArchivedNotification, Public
—No contaminant on record
February 1, 1984 – February 29, 1984
ArchivedNotification, Public
—No contaminant on record
January 1, 1984 – January 31, 1984
ArchivedNotification, Public
—No contaminant on record
December 1, 1983 – December 31, 1983
ArchivedNotification, Public
—No contaminant on record
November 1, 1983 – November 30, 1983
ArchivedNotification, Public
—No contaminant on record
October 1, 1983 – October 31, 1983
ArchivedNotification, Public
—No contaminant on record
September 1, 1983 – September 30, 1983
ArchivedNotification, Public
—No contaminant on record
August 1, 1983 – August 31, 1983
ArchivedNotification, Public
—No contaminant on record
July 1, 1983 – July 31, 1983
ArchivedNotification, Public
—No contaminant on record
June 1, 1983 – June 30, 1983
ArchivedNotification, Public
—No contaminant on record
May 1, 1983 – May 31, 1983
ArchivedNotification, Public
—No contaminant on record
April 1, 1983 – April 30, 1983
ArchivedNotification, Public
—No contaminant on record
March 1, 1983 – March 31, 1983
ArchivedNotification, Public
—No contaminant on record
February 1, 1983 – February 28, 1983
ArchivedNotification, Public
—No contaminant on record
January 1, 1983 – January 31, 1983
ArchivedNotification, Public
—No contaminant on record
December 1, 1982 – December 31, 1982
ArchivedNotification, Public
—No contaminant on record
November 1, 1982 – November 30, 1982
ArchivedNotification, Public
—No contaminant on record
October 1, 1982 – October 31, 1982
ArchivedMonitoring, 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 – January 20, 2000 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 1998 – October 31, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| 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 |
| June 1, 1984 – June 30, 1984 | Notification, Public | — | — | Archived |
| May 1, 1984 – May 31, 1984 | Notification, Public | — | — | Archived |
| April 1, 1984 – April 30, 1984 | Notification, Public | — | — | Archived |
| March 1, 1984 – March 31, 1984 | Notification, Public | — | — | Archived |
| February 1, 1984 – February 29, 1984 | Notification, Public | — | — | Archived |
| January 1, 1984 – January 31, 1984 | Notification, Public | — | — | Archived |
| December 1, 1983 – December 31, 1983 | Notification, Public | — | — | Archived |
| November 1, 1983 – November 30, 1983 | Notification, Public | — | — | Archived |
| October 1, 1983 – October 31, 1983 | Notification, Public | — | — | Archived |
| September 1, 1983 – September 30, 1983 | Notification, Public | — | — | Archived |
| August 1, 1983 – August 31, 1983 | Notification, Public | — | — | Archived |
| July 1, 1983 – July 31, 1983 | Notification, Public | — | — | Archived |
| June 1, 1983 – June 30, 1983 | Notification, Public | — | — | Archived |
| May 1, 1983 – May 31, 1983 | Notification, Public | — | — | Archived |
| April 1, 1983 – April 30, 1983 | Notification, Public | — | — | Archived |
| March 1, 1983 – March 31, 1983 | Notification, Public | — | — | Archived |
| February 1, 1983 – February 28, 1983 | Notification, Public | — | — | Archived |
| January 1, 1983 – January 31, 1983 | Notification, Public | — | — | Archived |
| December 1, 1982 – December 31, 1982 | Notification, Public | — | — | Archived |
| November 1, 1982 – November 30, 1982 | Notification, Public | — | — | Archived |
| October 1, 1982 – October 31, 1982 | Notification, Public | — | — | 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
- January 20, 2000State Public Notification received2 linked violations
- March 28, 1999State Compliance achieved1 linked violation
- March 12, 1999State Public Notification requested1 linked violation
- March 12, 1999State Public Notification received1 linked violation
- March 12, 1999State Violation/Reminder Notice1 linked violation
- November 30, 1998State Compliance achieved1 linked violation
- October 30, 1998State Compliance achieved1 linked violation
- April 1, 1997Federal Compliance achieved1 linked violation
Common questions
Is ALDERCROFT HEIGHTS COUNTY WATER DISTRICT required to publish a Consumer Confidence Report?
- Yes. ALDERCROFT HEIGHTS COUNTY WATER DISTRICT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ALDERCROFT HEIGHTS COUNTY WATER DISTRICT’s next Consumer Confidence Report due?
- ALDERCROFT HEIGHTS COUNTY WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ALDERCROFT HEIGHTS COUNTY WATER DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ALDERCROFT HEIGHTS COUNTY WATER DISTRICT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
ZENDER, MELISSA
408-353-4255
LOS GATOS, CA 95031