SANTA CLARA, CA · Santa Clara County
CHEMEKETA PARK MUTUAL WATER COMPANY Water System
Consumer Confidence Report status
CHEMEKETA PARK MUTUAL WATER COMPANY 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 CHEMEKETA PARK MUTUAL WATER COMPANY.
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)
- CA4300517
- System type
- Community Water System
- Population served
- 346
- Service connections
- 153
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
CHEMEKETA PARK MUTUAL WATER COMPANY is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 346 people from surface water.
As of August 1, 2026, its federal record holds 28 entries between 1981 and 2014, all of which EPA lists as closed. Nothing has been added since 2014.
Of the 28, 3 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 Surface Water Treatment Rules, and the Radionuclides and Revised Rad Rule.
Violation history
Treatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
December 1, 2014 – December 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1995 – March 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 1994 – September 30, 1994
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 |
|---|---|---|---|---|
| December 1, 2014 – December 31, 2014 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 1995 – March 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1994 – September 30, 1994 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | 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
- March 18, 2026State Administrative/Compliance Order without penalty issued1 linked violation
- January 1, 1996State Compliance achieved4 linked violations
- June 30, 1995State Compliance achieved3 linked violations
- June 19, 1995State Violation/Reminder Notice4 linked violations
- May 30, 1995State Compliance achieved3 linked violations
- October 12, 1994State Violation/Reminder Notice8 linked violations
Common questions
Is CHEMEKETA PARK MUTUAL WATER COMPANY required to publish a Consumer Confidence Report?
- Yes. CHEMEKETA PARK MUTUAL WATER COMPANY 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 CHEMEKETA PARK MUTUAL WATER COMPANY’s next Consumer Confidence Report due?
- CHEMEKETA PARK MUTUAL WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CHEMEKETA PARK MUTUAL WATER COMPANY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CHEMEKETA PARK MUTUAL WATER COMPANY.
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
SHIMMIN, DAVE
650-965-1231
SANTA CLARA, CA 95054