Tap Truth EPA drinking water records, in plain English

Public water system record

City of Paso Robles Water Division

Serves El Paso de Robles (Paso Robles), San Luis Obispo County, CA · 31,176 people served

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

  • CA4010007
  • PASO ROBLES
  • CA
  • 31,176 served

System profile

Source water Surface water
ZIP 93446
EPA system ID CA4010007

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 Paso Robles Water Division draws water from 17 wells and 1 surface water intake.
  • Most recent formal enforcement: compliance order (no penalty) by California, June 2015.
  • Record on file since 1993, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 11,309 service lines.

Check whether City of Paso Robles Water Division serves your address

Address suggestions by Mapbox

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 1993

EPA's records for City of Paso Robles Water Division go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 1
2000s 0 1
2010 to October 18, 2016 0 1

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

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1993 Resolved

Enforcement actions

California regulators took 2 formal enforcement actions against City of Paso Robles Water Division between 2008 and 2015. The most recent was a compliance order (no penalty) in June 2015.

Date By Action Violations covered
Jun 24, 2015 California Compliance order (no penalty) 1 violation: E. coli
May 30, 2008 California Compliance order (no penalty) 1 violation: Total Coliform

Where the water comes from

City of Paso Robles Water Division draws water from 17 wells and 1 surface water intake. It also buys water from Nacimiento Water Project.

Buys water from

Annual water quality report

City of Paso Robles Water Division 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