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Public water system record

City of Oceanside

Serves Oceanside, San Diego County, CA · 171,483 people served

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

  • CA3710014
  • OCEANSIDE
  • CA
  • 171,483 served

System profile

Source water Purchased surface water
ZIP 92054
EPA system ID CA3710014

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 Oceanside draws water from 8 wells.
  • Record on file since 1996, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 44,930 service lines.

Check whether City of Oceanside serves your address

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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 1996

EPA's records for City of Oceanside go back to 1996. 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
1990s 1 0
2000s 1 0
2010 to October 18, 2016 0 1

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began March 2005, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Mar 1, 2005 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1996 Resolved

Where the water comes from

City of Oceanside draws water from 8 wells. It also buys water from San Diego County Water Authority. It also has emergency connections to Carlsbad MWD, Rainbow Municipal WD, Vista Irrigation District and Camp Pendleton (South). 1 other community water system buys water from City of Oceanside. 4 other public water systems have emergency connections to City of Oceanside.

Buys water from

Emergency or part-time connections to

Community systems that buy water from it

Annual water quality report

City of Oceanside 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