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Is Slidell, LA tap water safe?

14 utilities serve Slidell, by EPA’s records. Here is what EPA’s and CDC’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

8 of the 14 utilities serving Slidell have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: City of Slidell Water Supply, Ponderosa Ranches Subdivision, Magnolia - Lakeshore Estates and 5 more.

City of Slidell Water Supply, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 17.3 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.

A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Slidell’s ZIP codes, from EPA’s estimates.

4 more utilities in Slidell

By EPA’s estimate, each serves fewer people in Slidell than those above.

Water testing near Slidell

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Louisiana certifies.

The 3 labs Louisiana certifies closest to Slidell, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Water Test, Inc.

    Covington, LA · about 25 miles

    Certified for bacteria

    (985) 892-8329

  • Curtis Environmental Services, Inc.

    LaPlace, LA · about 40 miles

    Certified for minerals and other inorganics, disinfection byproducts

  • LDH Amite Regional Laboratory

    Amite, LA · about 53 miles

    Certified for bacteria

    (985) 748-2011

All 48 certified labs for Louisiana

ZIP codes in Slidell

Which ZIP codes are in Slidell: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: LDH, laboratories certified by Louisiana for drinking water analysis; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Slidell

Other towns in St. Tammany Parish with a page of their own.

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