Is Mountain Center, CA tap water safe?
The short answer
1 of the 5 utilities serving Mountain Center has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Thomas Mountain Water Company.
Pinyon Pines County Water Dist, 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 Pinyon Pines County Water Dist is moderately hard, 98 mg/L (5.7 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 Mountain Center’s ZIP codes, from EPA’s estimates.
- Open report
Pinyon Pines County Water Dist
California · serves 232 people · under 100 in Mountain Center
Nothing in its records is above a health goal. Hardness: moderately hard, 98 mg/L (5.7 grains per gallon).
No health-based violations since 2016
- Open report
Baldy Mountain Ranch
California · serves 80 people · under 100 in Mountain Center
Nothing in its records is above a health goal. Hardness: moderately hard, typically 80 mg/L (4.7 grains per gallon).
No health-based violations since 2016
- Open report
Paradise Valley MWC
California · serves 30 people · under 100 in Mountain Center
1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Arsenic at 31.3 ppb, above the limit’s level, no violation. Hardness: soft, typically 28 mg/L (1.6 grains per gallon).
No health-based violations since 2016
- Open report
Thomas Mountain Water Company
California · serves 157 people · based in Mountain Center
1 result above the health goal. The worst: Uranium at 4.5 ppb, above the health goal. Hardness: hard, 145 mg/L (8.5 grains per gallon).
1 health-based violation since 2016
- Open report
Trails End Mutual Water Company
California · serves 52 people · based in Mountain Center
2 results above the health goal. The worst: Lead at 3.6 ppb, above the health goal. Hardness: very hard, 260 mg/L (15.2 grains per gallon).
No health-based violations since 2016
Water testing near Mountain Center
The 3 labs California certifies closest to Mountain Center, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Babcock Laboratories, Inc.
Riverside, CA · about 44 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
BSK Associates - San Bernardino Analytical Laboratory
San Bernardino, CA · about 47 miles
Certified for bacteria
Clinical Laboratory of San Bernardino, Inc.
Grand Terrace, CA · about 49 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
ZIP codes in Mountain Center
Which ZIP codes are in Mountain Center: 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 Mountain Center
Other towns in Riverside County with a page of their own.
What to do next
- Read Pinyon Pines County Water Dist’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