FELTON, CA · Santa Cruz County

RIVER GROVE MUTUAL WATER ASSN 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): CA4400621
System type: Community Water System
Population served: 54
Service connections: 25
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Long Term 2 Enhanced Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2023 – January 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – December 15, 2023
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2022 – January 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2019 – December 31, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2016 – October 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2015 – April 30, 2015
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
Notification, Public
—
No contaminant on record
June 1, 1984 – June 30, 1984
Archived
Notification, Public
—
No contaminant on record
March 1, 1984 – March 31, 1984
Archived
Notification, Public
—
No contaminant on record
February 1, 1984 – February 29, 1984
Archived
Notification, Public
—
No contaminant on record
January 1, 1984 – January 31, 1984
Archived
Notification, Public
—
No contaminant on record
December 1, 1982 – December 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)

Period	Violation	Contaminant / rule	Health-based	Status
February 1, 2024 – February 29, 2024	Treatment Technique (SWTR and GWR)	Long Term 2 Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2023 – January 31, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2023 – December 15, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2022 – January 31, 2022	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2016 – October 31, 2016	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 2015 – April 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	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
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, 1982 – December 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)

Enforcement actions

January 1, 2025State Compliance achieved1 linked violation
October 30, 2024State Administrative/Compliance Order without penalty issued1 linked violation
September 16, 2024State Compliance achieved2 linked violations
July 29, 2024State Administrative/Compliance Order with penalty issued2 linked violations
December 15, 2023State Compliance achieved1 linked violation
November 13, 2023State Administrative/Compliance Order without penalty issued3 linked violations
May 10, 2023State Compliance achieved2 linked violations
March 9, 2023State Administrative/Compliance Order without penalty issued5 linked violations
March 3, 2022State Administrative/Compliance Order with penalty issued1 linked violation
January 27, 2022State Administrative/Compliance Order without penalty issued1 linked violation
October 10, 2020State Compliance achieved3 linked violations
January 28, 2019State Administrative/Compliance Order without penalty issued1 linked violation
January 23, 2019State Compliance achieved1 linked violation
November 4, 2016State Public Notification issued2 linked violations
November 3, 2016State Violation/Reminder Notice5 linked violations
September 17, 2015State Compliance achieved2 linked violations
November 14, 2014State Public Notification received5 linked violations
December 30, 2013State Compliance achieved1 linked violation
December 16, 2013State Violation/Reminder Notice2 linked violations
December 16, 2013State Public Notification requested3 linked violations
September 30, 2013State Compliance achieved2 linked violations
September 16, 2013State Public Notification requested1 linked violation
September 16, 2013State Violation/Reminder Notice1 linked violation
January 10, 2009State Technical Assistance Visit3 linked violations
February 29, 2008State Compliance achieved1 linked violation

Contact

PERUGINI, SANDRA

831-335-3786

FELTON, CA 95018