Is CAZADERO WATER COMPANY, INC. (PUC) required to publish a Consumer Confidence Report?

Yes. CAZADERO WATER COMPANY, INC. (PUC) 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 CAZADERO WATER COMPANY, INC. (PUC)’s next Consumer Confidence Report due?

CAZADERO WATER COMPANY, INC. (PUC)’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.

FORESTVILLE, CA · Sonoma County

CAZADERO WATER COMPANY, INC. (PUC) Water System

Consumer Confidence Report status

CAZADERO WATER COMPANY, INC. (PUC) 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 3 open health-based violations for CAZADERO WATER COMPANY, INC. (PUC).

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): CA4900508
System type: Community Water System
Population served: 525
Service connections: 159
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

CAZADERO WATER COMPANY, INC. (PUC) is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 525 people from surface water.

As of August 1, 2026, its federal record holds 25 entries between 1980 and 2021, of which 3 health-based items remain open.

Of the 25, 16 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 Total Coliform Rules.

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Selenium
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Barium
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Cadmium
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Fluoride
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Mercury
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Nickel
January 1, 2021 – December 31, 2021
Archived
Monitoring, Regular
—
Nitrite
January 1, 2021 – December 31, 2021
Archived
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2020 – September 30, 2023
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2020 – September 30, 2023
Archived
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
August 6, 2020
Addressed
OCCT/SOWT Treatment Installation/Demonstration
Health-based
Lead and Copper Rule
February 14, 2020
Addressed
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
August 14, 2019
Addressed
Variance/Exemption/Other Compliance
—
No contaminant on record
July 1, 2018 – September 30, 2018
Archived
Variance/Exemption/Other Compliance
—
No contaminant on record
June 1, 2017 – September 30, 2017
Archived
Notification, Public
—
No contaminant on record
September 1, 1984 – September 30, 1984
Archived
Notification, Public
—
No contaminant on record
July 1, 1984 – July 31, 1984
Archived
Notification, Public
—
No contaminant on record
February 1, 1983 – February 28, 1983
Archived
Notification, Public
—
No contaminant on record
October 1, 1982 – October 31, 1982
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

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmation

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2021 – December 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Selenium	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Barium	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Cadmium	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Fluoride	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Mercury	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nickel	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nitrite	—	Archived
October 1, 2020 – September 30, 2023	Monitoring and Reporting (DBP)	TTHM	—	Archived
October 1, 2020 – September 30, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
August 6, 2020	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Addressed
February 14, 2020	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Health-based	Addressed
August 14, 2019	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Addressed
July 1, 2018 – September 30, 2018	Variance/Exemption/Other Compliance	—	—	Archived
June 1, 2017 – September 30, 2017	Variance/Exemption/Other Compliance	—	—	Archived
September 1, 1984 – September 30, 1984	Notification, Public	—	—	Archived
July 1, 1984 – July 31, 1984	Notification, Public	—	—	Archived
February 1, 1983 – February 28, 1983	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
October 30, 1980 – October 29, 1981	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)Addressed corrective action reported, pending final confirmation

Enforcement actions

January 7, 2025State Administrative/Compliance Order without penalty issued5 linked violations
March 23, 2022State Administrative/Compliance Order without penalty issued31 linked violations
June 26, 2019State Compliance achieved4 linked violations
July 7, 2017State Administrative/Compliance Order without penalty issued2 linked violations

Common questions

Is CAZADERO WATER COMPANY, INC. (PUC) required to publish a Consumer Confidence Report?: Yes. CAZADERO WATER COMPANY, INC. (PUC) 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 CAZADERO WATER COMPANY, INC. (PUC)’s next Consumer Confidence Report due?: CAZADERO WATER COMPANY, INC. (PUC)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CAZADERO WATER COMPANY, INC. (PUC) have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 3 open health-based violations for CAZADERO WATER COMPANY, INC. (PUC).
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

VOET, STEPHANIE

707-887-7735

FORESTVILLE, CA 95436