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Public water system record

City of Santa Clara

Serves Santa Clara, Santa Clara County, CA · 130,746 people served

Federal records show no health-based violations and no monitoring or reporting issues for City of Santa Clara in the last ten years.

  • CA4310012
  • SANTA CLARA
  • CA
  • 130,746 served

System profile

Source water Purchased surface water
ZIP 95050
EPA system ID CA4310012

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • City of Santa Clara draws water from 21 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by California, April 1997.
  • Record on file since 1988, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 25,824 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1988

EPA's records for City of Santa Clara go back to 1988. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 2 0

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began March 1995, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1992 Resolved

Enforcement actions

California regulators took 2 formal enforcement actions against City of Santa Clara between 1992 and 1997. The most recent was a compliance order (no penalty) in April 1997.

Date By Action Violations covered
Apr 2, 1997 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Apr 3, 1992 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule

Where the water comes from

City of Santa Clara draws water from 21 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Santa Clara Valley Water District and San Francisco Regional Water System.

Buys water from

Annual water quality report

City of Santa Clara must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.

Certified drinking water labs by state EPA guidance for private wells