Does Jefferson, LA tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 8 violation(s) across the community water systems serving Jefferson, of which 5 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Jefferson, LA tap water come from?

Jefferson is served by 2 active community water system(s). Their primary sources, per EPA records, are: surface water.

LA / Jefferson

LA · Tap water records

Jefferson tap water, in plain English

Here is what the EPA's own data shows about tap water in Jefferson. According to EPA SDWIS data retrieved June 2026, Jefferson is served by 2 active community water systems, together reported to serve about 415,427 people.

As of June 2026, EPA records show 8 violations across the community water system(s) serving Jefferson, going back to the earliest EPA record. 5 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.

2

Community water systems
~415,427

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

E Jefferson Ww District 1

275,163 served · surface water · PWSID LA1051001

Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2015. All have since returned to compliance, per EPA records.

W Jefferson Ww District 2

140,264 served · surface water · PWSID LA1051004

Health-based Total Haloacetic Acids (HAA5): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 5 times in April 2022. The EPA record lists a level of 0.065 MG/L; the limit (MCL) is 0.06 MG/L. EPA records do not show all of these as returned to compliance.
Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between July 2006 and July 2015. All have since returned to compliance, per EPA records.

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.