Is Julian, CA tap water safe?
The short answer
6 of the 10 utilities serving Julian have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Majestic Pines Community SD, Julian Community Services District, Pine Hills Mutual Water Company and 3 more.
Majestic Pines Community SD, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 6.6 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Majestic Pines Community SD is moderately hard to hard depending on the source, 97 to 150 mg/L (5.7 to 8.8 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 Julian’s ZIP codes, from EPA’s estimates.
- Open report
Majestic Pines Community SD
California · serves 1,768 people · under 100 in Julian
2 results above the health goal. The worst: Arsenic at 6.6 ppb, above the health goal. Hardness: moderately hard to hard depending on the source, 97 to 150 mg/L (5.7 to 8.8 grains per gallon).
1 health-based violation since 2016
- Open report
Julian Community Services District
California · serves 617 people · under 100 in Julian
1 result above the health goal. The worst: Uranium at 0.15 ppb, above the health goal. Hardness: moderately hard, 106 mg/L (6.2 grains per gallon).
1 health-based violation since 2016
- Open report
Pine Hills Mutual Water Company
California · serves 380 people · under 100 in Julian
1 result above the health goal. The worst: Lead at 3.5 ppb, above the health goal. Hardness: hard to very hard depending on the source, 144 to 437 mg/L (8.4 to 25.6 grains per gallon).
2 health-based violations since 2016
- Open report
Cuyamaca Water District
California · serves 160 people · under 100 in Julian
Nothing in its records is above a health goal. Hardness: very hard, typically 237 mg/L (13.8 grains per gallon).
1 health-based violation since 2016
- Open report
North Peak Mutual Water Company
California · serves 294 people · under 100 in Julian
Nothing in its records is above a health goal. Hardness: hard to very hard depending on the source, 179 to 191 mg/L (10.5 to 11.1 grains per gallon).
No health-based violations since 2016
- Open report
H & J Water Company
California · serves 86 people · under 100 in Julian
1 result above the action level. The worst: Lead at 70 ppb, above the action level. Hardness: very hard, 260 mg/L (15.2 grains per gallon).
No health-based violations since 2016
- Open report
La Cima Fire Center
California · serves 60 people · under 100 in Julian
1 result above the health goal. The worst: Uranium at 0.88 ppb, above the health goal.
No health-based violations since 2016
- Open report
Richardson Beardsley Park Inc.
California · serves 30 people · under 100 in Julian
Nothing in its records is above a health goal. Hardness: moderately hard, typically 97 mg/L (5.6 grains per gallon).
No health-based violations since 2016
- Open report
Camp Stevens
California · serves 28 people · based in Julian
2 results above the health goal. The worst: Lead at 7.8 ppb, above the health goal. Hardness: moderately hard, 63 mg/L (3.7 grains per gallon).
No health-based violations since 2016
- Open report
Ymca Camp Marston/Raintree
California · serves 28 people · based in Julian
Nothing in its records is above a health goal. Hardness: moderately hard, 103 mg/L (6 grains per gallon).
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Majestic Pines Community SD’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, Lead
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, Lead
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, Lead
Water testing near Julian
The 3 labs California certifies closest to Julian, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
EMSL Analytical, Inc.
San Diego, CA · about 40 miles
Certified for bacteria
Analytical Environmental Lab, LLC
San Diego, CA · about 40 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts
Environmental Laboratory Network, Inc.
San Diego, CA · about 41 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, radioactivity
ZIP codes in Julian
Which ZIP codes are in Julian: 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 Julian
Other towns in San Diego County with a page of their own.
What to do next
- Read Majestic Pines Community SD’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water