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Is Twentynine Palms, CA tap water safe?

2 utilities serve Twentynine Palms, 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

1 of the 2 utilities serving Twentynine Palms has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: USMC - 29 Palms.

Twentynine Palms Water District, which serves the most people here, has 1 result above the limit’s level with no violation recorded, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Arsenic at 11.8 ppb, above the limit’s level, no violation. Health goals are stricter than legal limits and are not enforced.

The water from Twentynine Palms Water District is moderately hard, typically 67 mg/L (3.9 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 Twentynine Palms’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 Twentynine Palms Water District’s water, which serves the most people here. Another utility’s report names what handles its own results.

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Every claim, and more filters, in the full report

Water testing near Twentynine Palms

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.

No lab California certifies is within 75 miles of Twentynine Palms on the state’s list. Some take samples by mail; the state’s page lists them all.

All 145 certified labs for California

ZIP codes in Twentynine Palms

Which ZIP codes are in Twentynine Palms: 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.

Near Twentynine Palms

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

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