Is Coloma, CA tap water safe?
The short answer
None of the 3 utilities serving Coloma 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 Coloma’s ZIP codes, from EPA’s estimates.
- Open report
El Dorado ID - Main
California · serves 128,408 people · about 380 in Coloma
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
Georgetown Divide PUD
California · serves 9,434 people · under 100 in Coloma
1 result above the health goal. The worst: Uranium at 2.3 ppb, above the health goal. Hardness: soft, typically 9.1 mg/L (0.5 grains per gallon).
No health-based violations since 2016
- Open report
Placerville, City of - Main
California · serves 9,224 people · under 100 in Coloma
Nothing in its records is above a health goal.
No health-based violations since 2016
Water testing near Coloma
The 3 labs California certifies closest to Coloma, 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 15 miles
Certified for organic chemicals, PFAS
Ceres Analytical Laboratory, Inc.
El Dorado Hills, CA · about 15 miles
Certified for organic chemicals
California Laboratory Services
Rancho Cordova, CA · about 25 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Which ZIP codes are in Coloma: 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 Coloma
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