Is La Riviera, CA tap water safe?
The short answer
Neither of the 2 utilities serving La Riviera has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
Cal Am - Suburban Rosemont, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 13.4 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Cal Am - Suburban Rosemont is soft to very hard depending on the source, 50 to 360 mg/L (2.9 to 21.1 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 La Riviera’s ZIP codes, from EPA’s estimates.
- Open report
Cal Am - Suburban Rosemont
California · serves 54,893 people · about 4,700 in La Riviera
2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 13.4 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft to very hard depending on the source, 50 to 360 mg/L (2.9 to 21.1 grains per gallon).
No health-based violations since 2016
- Open report
City of Sacramento Main
California · serves 527,979 people · about 1,200 in La Riviera
3 results 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 41.4 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft to very hard depending on the source, 15 to 320 mg/L (0.9 to 18.7 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 Cal Am - Suburban Rosemont’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, PFOA, 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, PFOA, 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, PFOA, Arsenic
Water testing near La Riviera
The 3 labs California certifies closest to La Riviera, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Sparger Technology, Inc.
Sacramento, CA · about 1 mile
Certified for bacteria, nitrate, minerals and other inorganics
Continental Water Laboratory
Sacramento, CA · about 3 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Bend Genetics LLC
Sacramento, CA · about 3 miles
Which ZIP codes are in La Riviera: 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 La Riviera
Other towns in Sacramento County with a page of their own.
What to do next
- Read Cal Am - Suburban Rosemont’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