Is Eucalyptus Hills, CA tap water safe?
The short answer
None of the 3 utilities serving Eucalyptus Hills has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
Lakeside WD, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 4.8 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Lakeside WD is very hard, typically 500 mg/L (29.2 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 Eucalyptus Hills’s ZIP codes, from EPA’s estimates.
- Open report
Lakeside WD
California · serves 35,500 people · about 1,600 in Eucalyptus Hills
1 result above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 4.8 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: very hard, typically 500 mg/L (29.2 grains per gallon).
No health-based violations since 2016
- Open report
Helix Water District
California · serves 277,918 people · about 580 in Eucalyptus Hills
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 26 ppb, above EPA’s health benchmark. Hardness: hard to very hard depending on the source, 130 to 353 mg/L (7.6 to 20.6 grains per gallon).
No health-based violations since 2016
- Open report
Padre Dam MWD
California · serves 93,980 people · about 360 in Eucalyptus Hills
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 47 ppb, above EPA’s health benchmark.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Lakeside WD’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: PFOS, Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOS, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOS, Arsenic
Water testing near Eucalyptus Hills
The 3 labs California certifies closest to Eucalyptus Hills, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
EMSL Analytical, Inc.
San Diego, CA · about 16 miles
Certified for bacteria
Analytical Environmental Lab, LLC
San Diego, CA · about 16 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts
Environmental Laboratory Network, Inc.
San Diego, CA · about 17 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, radioactivity
ZIP codes in Eucalyptus Hills
Which ZIP codes are in Eucalyptus Hills: 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 Eucalyptus Hills
Other towns in San Diego County with a page of their own.
What to do next
- Read Lakeside WD’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water