Public water system record

Suburban Water Systems-San Jose

Serves West Covina, Hacienda Heights, Valinda and 4 more places, Los Angeles County, CA · 168,843 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Suburban Water Systems-San Jose in the last ten years.

  • CA1910205
  • COVINA
  • CA
  • 168,843 served

System profile

Source water Purchased surface water
ZIP 91724
EPA system ID CA1910205

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
1

Key facts

  • Suburban Water Systems-San Jose draws water from 6 wells (2 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by California, July 2022.
  • Record on file since 1992, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 40,826 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.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2022 Resolved

Full record since 1992

EPA's records for Suburban Water Systems-San Jose go back to 1992. Before October 19, 2016 they list 2 health-based violations (2 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 0
2020s 0 1

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began June 1993, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1993 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 1992 Resolved

Enforcement actions

California regulators took 2 formal enforcement actions against Suburban Water Systems-San Jose between 1993 and 2022. The most recent was a compliance order (no penalty) in July 2022.

Date By Action Violations covered
Jul 5, 2022 California Compliance order (no penalty) 1 violation: Revised Total Coliform Rule
Jul 19, 1993 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule

Where the water comes from

Suburban Water Systems-San Jose draws water from 6 wells (2 of them for emergency, seasonal or other part-time use). It also buys water from Pomona - City, Water Dept., La Puente Valley CWD, Covina Irrigating Co., Metropolitan Water Dist. of So. Cal., Rowland Water District, Valley County Water Dist. and Walnut Valley Water District. 2 other public water systems have emergency connections to Suburban Water Systems-San Jose.

Buys water from

Annual water quality report

Suburban Water Systems-San Jose 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.