Is Camarillo, CA tap water safe?
The short answer
1 of the 6 utilities serving Camarillo has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Del Norte Mutual Water Co..
Camarillo Water Dept, 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 38 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
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 Camarillo’s ZIP codes, from EPA’s estimates.
- Open report
Camarillo Water Dept
California · serves 47,701 people · about 10,000 in Camarillo
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 38 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Camrosa Water District
California · serves 32,700 people · about 2,600 in Camarillo
1 result above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 17 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: very hard, typically 434 mg/L (25.4 grains per gallon).
No health-based violations since 2016
- Open report
Crestview Mutual Water Co
California · serves 2,079 people · about 390 in Camarillo
Nothing in its records is above a health goal. Hardness: very hard, typically 402 mg/L (23.5 grains per gallon).
No health-based violations since 2016
- Open report
Cal American WC - Las Posas Estates
California · serves 2,043 people · about 340 in Camarillo
1 result above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Del Norte Mutual Water Co.
California · serves 215 people · under 100 in Camarillo
3 results above the health goal. The worst: Nitrate at 10.5 ppm, above the health goal. Hardness: very hard, 325 mg/L (19 grains per gallon).
4 health-based violations since 2016
- Open report
Pleasant Valley Mutual Water Co
California · serves 5,306 people · under 100 in Camarillo
2 results above EPA’s new limit, which takes effect in 2029 and 1 result above EPA’s health benchmark. The worst: PFOS at 11 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: very hard, typically 690 mg/L (40.3 grains per gallon).
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 Camarillo Water Dept’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: 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: 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: Arsenic
Water testing near Camarillo
The 3 labs California certifies closest to Camarillo, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Camrosa Water District Wastewater Laboratory
Camarillo, CA · about 3 miles
Certified for bacteria
Ventura County Public Health Laboratory
Oxnard, CA · about 6 miles
Certified for bacteria
Fruit Growers Laboratory, Inc.
Santa Paula, CA · about 9 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Which ZIP codes are in Camarillo: 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 Camarillo
Other towns in Ventura County with a page of their own.
What to do next
- Read Camarillo Water Dept’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water