Is Seeley, CA tap water safe?
The short answer
1 of the 2 utilities serving Seeley has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Seeley CWD.
City of El Centro, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 69 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
The water from City of El Centro is very hard, typically 315 mg/L (18.4 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 Seeley’s ZIP codes, from EPA’s estimates.
- Open report
City of El Centro
California · serves 44,124 people · about 320 in Seeley
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 69 ppb, above EPA’s health benchmark. Hardness: very hard, typically 315 mg/L (18.4 grains per gallon).
No health-based violations since 2016
- Open report
Seeley CWD
California · serves 1,729 people · about 250 in Seeley
1 result above the health goal. The worst: Arsenic at 3.4 ppb, above the health goal. Hardness: very hard, 330 mg/L (19.3 grains per gallon).
13 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 City of El Centro’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 Seeley
The 3 labs California certifies closest to Seeley, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Babcock Laboratories, Inc.
El Centro, CA · about 5 miles
Certified for bacteria
Imperial County Public Health Laboratory
El Centro, CA · about 5 miles
Certified for bacteria
Brawley Analytical, Inc.
Brawley, CA · about 15 miles
Certified for bacteria, minerals and other inorganics
Which ZIP codes are in Seeley: 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 Seeley
Other towns in Imperial County with a page of their own.
What to do next
- Read City of El Centro’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