County drinking water records

Jefferson Parish, LA drinking water systems

5 community water systems serve Jefferson Parish, LA, reporting 493,772 people served in all. A system that also serves other counties counts all of its customers here.

3 of them had at least one health-based violation in the last 10 years. 1 system still has one unresolved.

5 rely mainly on surface water, counting water bought from other systems.

Their lead service line inventories list 905 lead lines, 0 galvanized lines that must be replaced and 178,094 lines of unknown material.

Community water systems
5
People served, sum of each system's own figure
493,772
Systems with a health-based violation, last 10 years
3
Systems with one unresolved
1
Lead service lines in inventories
905

Water systems serving Jefferson Parish

5 systems

People served is each system's own figure for its whole service area. Violation counts cover the last 10 years of EPA records.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
E Jefferson WW District 1 Metairie, Kenner and 4 more 275,163 Surface water 0 0 0
W Jefferson WW District 2 Marrero, Harvey and 12 more 140,264 Surface water 1 0 0
New Orleans Algiers Water Works New Orleans and Terrytown 52,785 Surface water 7 0 905
Gretna Waterworks Gretna, Terrytown and 2 more 17,026 Surface water 0 1 0
Westwego Waterworks Marrero, Westwego and 1 more 8,534 Purchased surface water 1 0 0

Cities and towns in Jefferson Parish

21 places

Back to Louisiana

Counties come from the counties EPA lists each system serving, matched to 2024 Census counties; where EPA lists none, from the county coded in the system's ID, its service area map, or its mailing address. A county holding at least a fifth of a system's service area map is added when at least a fifth of that map lies in those counties. Towns are the ones EPA lists and the Census places such a map covers, always inside those counties. In New England, where EPA's town names a whole Town, it is not matched to the village of the same name. A system is not listed in a county holding less than a fifth of its map, or in a county or town its map reaches when the map lies mostly outside the counties EPA lists, so a page can leave out a system that serves part of the area. Methodology and limitations