PENN VALLEY, CA · Nevada County

SIERRA ESTATES MUTUAL WATER COMPANY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): CA2900548
System type: Community Water System
Population served: 100
Service connections: 32
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Notification, Public
—
No contaminant on record
December 1, 1982 – December 31, 1982
Archived
Notification, Public
—
No contaminant on record
November 1, 1982 – November 30, 1982
Archived
Notification, Public
—
No contaminant on record
October 1, 1982 – October 31, 1982
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
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

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 1, 2020State Compliance achieved8 linked violations
April 21, 2015State Compliance achieved2 linked violations
March 4, 2015State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 14, 2014State Boil Water Order4 linked violations
November 14, 2014State Boil Water Order3 linked violations
November 14, 2014State Public Notification requested3 linked violations
November 14, 2014State Boil Water Order2 linked violations
November 14, 2014State Technical Assistance Visit1 linked violation
November 14, 2014State Compliance achieved1 linked violation
November 14, 2014State Public Notification received3 linked violations
November 14, 2014State Compliance achieved11 linked violations
August 22, 2003State Boil Water Order1 linked violation
August 22, 2003State Public Notification requested1 linked violation
March 21, 2003State Boil Water Order2 linked violations
February 15, 2003State Compliance achieved2 linked violations
January 8, 2003State Boil Water Order2 linked violations
July 23, 2001State Compliance achieved3 linked violations
July 15, 2001State Boil Water Order3 linked violations

Contact

CROSS, ROXANNE

530-575-0720

PENN VALLEY, CA 95946