Where Jefferson's tap water comes from
EPA records point to East Jefferson Waterworks District 1 as the water system for Jefferson.
Jefferson Parish · Population 10,633
The water system for Jefferson
East Jefferson Waterworks District 1
PWSID LA1051001 · Purity Score 97/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 100% of Jefferson's homes are inside East Jefferson Waterworks District 1's service area (EPA service-area map).
Full water report for East Jefferson Waterworks District 1East Jefferson Waterworks District 1: contact and record
System-level records from EPA. Not a test of your tap.
ZIP codes in Jefferson
A ZIP code is a postal area, not a water service area. Your water bill names your supplier.
Follow Jefferson's water
One email when East Jefferson Waterworks District 1 publishes a new sampling round, a result moves above or below its reference, or the system's score changes.
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