Skip to content
TapBuff
ZIP

Is Tracy, CA tap water safe?

6 utilities serve Tracy, by EPA’s records. Here is what EPA’s and California’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

2 of the 6 utilities serving Tracy have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: La Torres Park and 132 Investments Water System.

City of Tracy, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 28.5 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

The water from City of Tracy is moderately hard to very hard depending on the source, 71 to 380 mg/L (4.2 to 22.2 grains per gallon). How California’s water compares.

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 Tracy’s ZIP codes, from EPA’s estimates.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Tracy’s water, which serves the most people here. Another utility’s report names what handles its own results.

Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money

Every claim, and more filters, in the full report

Water testing near Tracy

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 California certifies.

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

  • San Joaquin County Public Health Laboratory

    Stockton, CA · about 20 miles

    Certified for bacteria

    (209) 468-3460

  • Fruit Growers Laboratory, Inc.

    Stockton, CA · about 21 miles

    Certified for bacteria

    (209) 942-0182

  • Institute of Environmental Health, Inc. dba IEH-JL Analytical

    Modesto, CA · about 21 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (209) 538-8111

All 145 certified labs for California

ZIP codes in Tracy

Which ZIP codes are in Tracy: 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: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Tracy

Other towns in San Joaquin County with a page of their own.

What to do next