CA / Dos Palos
CA · Tap water records
Dos Palos tap water, in plain English
Here is what the EPA's own data shows about tap water in Dos Palos. According to EPA SDWIS data retrieved June 2026, Dos Palos is served by 1 active community water system, together reported to serve about 7,452 people.
As of June 2026, EPA records show 45 violations across the community water system(s) serving Dos Palos, going back to the earliest EPA record. 44 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.
What the EPA has on record, by system
City Of Dos Palos
7,452 served · surface water · PWSID CA2410002 - Health-based TTHM: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 39 times between January 2016 and July 2025. The EPA record lists a level of 147 UG/L; the limit (MCL) is 80 UG/L. EPA records do not show all of these as returned to compliance.
- Health-based Total Haloacetic Acids (HAA5): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in January 2021. The EPA record lists a level of 98 UG/L; the limit (MCL) is 60 UG/L. EPA records do not show all of these as returned to compliance.
- Health-based CARBON, TOTAL: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 3 times between April 2020 and October 2020. The EPA record for these does not include a measured level. EPA records do not show all of these as returned to compliance.
- Health-based Surface Water Treatment Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in January 2017. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
- Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2022. EPA records do not show all of these as returned to compliance.
What this means
A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.
This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.
Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.