Is Citrus, CA tap water safe?
The short answer
Neither of the 2 utilities serving Citrus has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
Azusa Light and Water, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFOA at 7.7 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Azusa Light and Water is moderately hard to very hard depending on the source, 100 to 290 mg/L (5.8 to 17 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 Citrus’s ZIP codes, from EPA’s estimates.
- Open report
Azusa Light and Water
California · serves 110,044 people · about 1,900 in Citrus
2 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFOA at 7.7 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: moderately hard to very hard depending on the source, 100 to 290 mg/L (5.8 to 17 grains per gallon).
No health-based violations since 2016
- Open report
Covina - City, Water Dept.
California · serves 33,300 people · about 340 in Citrus
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 Azusa Light and Water’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: PFOA, PFOS, Nitrate, 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: PFOA, PFOS, Nitrate, 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: PFOA, PFOS, Arsenic
Water testing near Citrus
The 3 labs California certifies closest to Citrus, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Eurofins Pomona
Pomona, CA · about 10 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
Weck Laboratories, Inc.
City of Industry, CA · about 13 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
Enviro-Chem, Inc.
Pomona, CA · about 14 miles
Certified for metals
Which ZIP codes are in Citrus: 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 Citrus
Other towns in Los Angeles County with a page of their own.
What to do next
- Read Azusa Light and Water’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked 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