Is San Andreas, CA tap water safe?
The short answer
1 of the 3 utilities serving San Andreas has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Rite of Passage/Sierra Ridge.
Calaveras PUD, 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 Calaveras PUD is soft, typically 25 mg/L (1.4 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 San Andreas’s ZIP codes, from EPA’s estimates.
- Open report
Calaveras PUD
California · serves 6,286 people · about 350 in San Andreas
Nothing in its records is above a health goal. Hardness: soft, typically 25 mg/L (1.4 grains per gallon).
No health-based violations since 2016
- Open report
Rite of Passage/Sierra Ridge
California · serves 65 people · under 100 in San Andreas
1 result above the action level. The worst: Lead at 16 ppb, above the action level. Hardness: soft to very hard depending on the source, 21 to 226 mg/L (1.2 to 13.2 grains per gallon).
1 health-based violation since 2016
- Open report
Ccwd - Sheep Ranch
California · serves 89 people · under 100 in San Andreas
1 result above the health goal. The worst: Lead at 2.0 ppb, above the health goal. Hardness: soft, typically 21 mg/L (1.2 grains per gallon).
No health-based violations since 2016
Water testing near San Andreas
The 3 labs California certifies closest to San Andreas, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
49er Water Laboratory
Jackson, CA · about 14 miles
Certified for bacteria, nitrate, minerals and other inorganics
Precision Enviro-Tech
Twain Harte, CA · about 25 miles
Certified for bacteria
Lodi Wine Laboratories
Lodi, CA · about 34 miles
Certified for nitrate, minerals and other inorganics
ZIP codes in San Andreas
Which ZIP codes are in San Andreas: 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 San Andreas
Other towns in Calaveras County with a page of their own.
What to do next
- Read Calaveras PUD’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