Is WILLOWSIDE TERRACE WATER ASSOCIATION required to publish a Consumer Confidence Report?

Yes. WILLOWSIDE TERRACE WATER ASSOCIATION 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 WILLOWSIDE TERRACE WATER ASSOCIATION’s next Consumer Confidence Report due?

WILLOWSIDE TERRACE WATER ASSOCIATION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

ALPINE, CA · San Diego County

WILLOWSIDE TERRACE WATER ASSOCIATION Water System

Consumer Confidence Report status

WILLOWSIDE TERRACE WATER ASSOCIATION 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 WILLOWSIDE TERRACE WATER ASSOCIATION.

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): CA3701995
System type: Community Water System
Population served: 100
Service connections: 32
Ownership: privately owned
Water source: groundwater (wells)

WILLOWSIDE TERRACE WATER ASSOCIATION is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 100 people from groundwater.

As of August 1, 2026, its federal record holds 23 entries between 1980 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 23, 7 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 Miscellaneous Other Rules, and the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2015 – March 31, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2014 – September 30, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 11, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
July 1, 2014 – September 30, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2014 – June 30, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
February 1, 2014 – February 28, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2009 – April 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
June 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
June 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2005 – March 31, 2005
Resolved
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
March 1, 1984 – March 31, 1984
Archived
Notification, Public
—
No contaminant on record
December 1, 1983 – December 31, 1983
Archived
Notification, Public
—
No contaminant on record
March 1, 1983 – March 31, 1983
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2014 – August 11, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
February 1, 2014 – February 28, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
June 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
September 1, 1984 – September 30, 1984	Notification, Public	—	—	Archived
August 1, 1984 – August 31, 1984	Notification, Public	—	—	Archived
March 1, 1984 – March 31, 1984	Notification, Public	—	—	Archived
December 1, 1983 – December 31, 1983	Notification, Public	—	—	Archived
March 1, 1983 – March 31, 1983	Notification, Public	—	—	Archived
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 30, 1980 – October 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

August 30, 2023State Administrative/Compliance Order without penalty issued9 linked violations
November 30, 2022State Administrative/Compliance Order without penalty issued6 linked violations
November 5, 2018State Formal Notice of Violation issued12 linked violations
November 14, 2014State Administrative/Compliance Order without penalty issued1 linked violation
November 14, 2014State Administrative/Compliance Order without penalty issued1 linked violation
September 16, 2014State Administrative/Compliance Order without penalty issued1 linked violation
August 12, 2014State Boil Water Order1 linked violation
June 30, 2014State Administrative/Compliance Order without penalty issued1 linked violation
March 28, 2014State Administrative/Compliance Order without penalty issued2 linked violations
January 17, 2014State Administrative/Compliance Order without penalty issued1 linked violation
July 5, 2012State Administrative/Compliance Order without penalty issued1 linked violation
July 3, 2008State Administrative/Compliance Order without penalty issued1 linked violation
July 2, 2007State Compliance achieved11 linked violations
April 18, 2005State Compliance achieved11 linked violations
April 7, 2005State Administrative/Compliance Order without penalty issued1 linked violation

Common questions

Is WILLOWSIDE TERRACE WATER ASSOCIATION required to publish a Consumer Confidence Report?: Yes. WILLOWSIDE TERRACE WATER ASSOCIATION 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 WILLOWSIDE TERRACE WATER ASSOCIATION’s next Consumer Confidence Report due?: WILLOWSIDE TERRACE WATER ASSOCIATION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WILLOWSIDE TERRACE WATER ASSOCIATION have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for WILLOWSIDE TERRACE WATER ASSOCIATION.
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

CALDWELL, LOUIS AL

619-988-5805

ALPINE, CA 91903