APPLE VALLEY, CA · San Bernardino County

THUNDERBIRD CWD 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): CA3600306
System type: Community Water System
Population served: 2,098
Service connections: 318
Ownership: local government
Water source: groundwater (wells)

Violation history

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
Notification, Public
—
No contaminant on record
October 30, 1980 – February 28, 1981
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 30, 1980 – February 28, 1981
Archived
Notification, Public
—
No contaminant on record
July 30, 1980 – October 29, 1980
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
June 1, 1980 – May 31, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
March 30, 1980 – April 29, 1980
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
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
October 30, 1980 – February 28, 1981	Notification, Public	—	—	Archived
October 30, 1980 – February 28, 1981	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
July 30, 1980 – October 29, 1980	Notification, Public	—	—	Archived
June 1, 1980 – May 31, 1982	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
March 30, 1980 – April 29, 1980	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived

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

Enforcement actions

August 28, 2025State Administrative/Compliance Order without penalty issued1 linked violation
December 30, 2024State Compliance achieved1 linked violation
January 18, 2024State Administrative/Compliance Order without penalty issued1 linked violation
September 5, 2018State Compliance achieved1 linked violation
April 6, 2018State Compliance achieved5 linked violations
August 25, 2009State Administrative/Compliance Order without penalty issued3 linked violations
June 25, 2004State Violation/Reminder Notice2 linked violations
June 25, 2004State Compliance achieved26 linked violations
May 11, 2002State Compliance achieved4 linked violations

Contact

HEINRICHS, DOUGLAS

760-247-2503

APPLE VALLEY, CA 92308