Is EL DORADO MUTUAL WATER CO. required to publish a Consumer Confidence Report?

Yes. EL DORADO MUTUAL WATER CO. 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 EL DORADO MUTUAL WATER CO.’s next Consumer Confidence Report due?

EL DORADO MUTUAL WATER CO.’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.

PALMDALE, CA · Los Angeles County

EL DORADO MUTUAL WATER CO. Water System

Consumer Confidence Report status

EL DORADO MUTUAL WATER CO. 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 EL DORADO MUTUAL WATER CO..

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): CA1900803
System type: Community Water System
Population served: 660
Service connections: 240
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

EL DORADO MUTUAL WATER CO. is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 660 people from surface water.

As of August 1, 2026, its federal record holds 7 entries between 1980 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.

Of the 7, 4 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 Radionuclides and Revised Rad Rule, and the Lead and Copper Rule.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – September 25, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – December 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
July 1, 1984 – July 31, 1984
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)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2019 – September 25, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	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
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)

Enforcement actions

September 25, 2020State Compliance achieved1 linked violation
December 30, 2019State Administrative/Compliance Order without penalty issued1 linked violation
January 9, 2006State Administrative/Compliance Order without penalty issued2 linked violations
January 9, 2006State Compliance achieved5 linked violations

Common questions

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

MILLER, JEANNIE

661-947-3255

PALMDALE, CA 93590