Is Diamond Springs, CA tap water safe?
The short answer
Neither of the 2 utilities serving Diamond Springs has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
El Dorado ID - Main, which serves the most people here, has nothing above a health goal in EPA’s and California’s records. That data covers what its report lists, not everything.
The water from El Dorado ID - Main is soft, typically 12 mg/L (0.7 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 Diamond Springs’s ZIP codes, from EPA’s estimates.
- Open report
El Dorado ID - Main
California · serves 128,408 people · about 5,400 in Diamond Springs
Nothing in its records is above a health goal. Hardness: soft, typically 12 mg/L (0.7 grains per gallon).
No health-based violations since 2016
- Open report
Placerville, City of - Main
California · serves 9,224 people · about 180 in Diamond Springs
Nothing in its records is above a health goal.
No health-based violations since 2016
Water testing near Diamond Springs
The 3 labs California certifies closest to Diamond Springs, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Onterris Laboratories, LLC
El Dorado Hills, CA · about 14 miles
Certified for organic chemicals, PFAS
Ceres Analytical Laboratory, Inc.
El Dorado Hills, CA · about 14 miles
Certified for organic chemicals
49er Water Laboratory
Jackson, CA · about 22 miles
Certified for bacteria, nitrate, minerals and other inorganics
Which ZIP codes are in Diamond Springs: 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 Diamond Springs
Other towns in El Dorado County with a page of their own.
What to do next
- Read El Dorado ID - Main’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Decide if you want a filter at allA filter for taste or chlorine is a preference, not a need. The standards say what each kind can do.NSF/ANSI standards, decoded
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water