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Public water system record

Stanford University

Serves Stanford, Santa Clara County, CA · 35,853 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Stanford University in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • CA4310013
  • STANFORD
  • CA
  • 35,853 served

System profile

Source water Purchased surface water
ZIP 94305
EPA system ID CA4310013

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Stanford University draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit), 2016.
  • Most recent formal enforcement: compliance order (no penalty) by California, January 2017.
  • Record on file since 1992, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,582 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.

Contaminant Rule family Start date Status Acute
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Oct 1, 2016 Resolved No

Full record since 1992

EPA's records for Stanford University go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 0
2010 to October 18, 2016 1 0

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2016, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Oct 1, 2016 Resolved
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 3 formal enforcement actions against Stanford University between 1992 and 2017. The most recent was a compliance order (no penalty) in January 2017.

Date By Action Violations covered
Jan 27, 2017 California Compliance order (no penalty) 1 violation (1 health-based): Haloacetic Acids (HAA5)
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

What the violations mean

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Stanford University draws water from 4 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from San Francisco Regional Water System and Sfpuc City Distribution Division. It also has an emergency connection to City of Palo Alto. 1 other public water system has an emergency connection to Stanford University.

Buys water from

Emergency or part-time connections to

Annual water quality report

Stanford University 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