TECOPA, CA · Inyo County

HIDDEN SPRINGS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of November 1, 1993. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Inyo County, CA.

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): CA1400083
System type: Community Water System
Population served: 90
Service connections: 23
Ownership: not on record
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 1983 – January 31, 1983
Archived
Notification, Public
—
No contaminant on record
January 1, 1983 – January 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
March 28, 1982 – August 27, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
March 28, 1982 – August 27, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
February 21, 1982 – July 20, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
February 21, 1982 – July 20, 1982
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
September 16, 1981 – November 15, 1981
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 1983 – January 31, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 1983 – January 31, 1983	Notification, Public	—	—	Archived
March 28, 1982 – August 27, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
March 28, 1982 – August 27, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
February 21, 1982 – July 20, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
February 21, 1982 – July 20, 1982	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
September 16, 1981 – November 15, 1981	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 30, 1980 – October 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

Phone not on record

TECOPA, CA 92389