Julian Community Services District
EPA ID: CA3700909 · 1,517 people served · 1 ZIP code
Julian Community Services District carries zero EPA violations in five years — a spotless record for a utility serving 1,517 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 89% chance of violation in next 12 months
Violations went from 3 (2021) to 2 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Julian Community Services District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Julian Community Services District serves a community with a median household income of $71,875 and an estimated 3,128 residents across its service area. Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Julian Community Services District's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in San Diego County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Julian Community Services District (EPA ID: CA3700909) is a community water system in California that serves approximately 1,517 people from groundwater sources.
This system serves ZIP code 92036 in Julian.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 92036 — Julian
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Julian Community Services District (CA3700909) on EPA.gov.
Frequently Asked Questions
Is Julian Community Services District water safe to drink?
Based on EPA records, Julian Community Services District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Julian Community Services District serve?
Julian Community Services District serves approximately 1,517 people across 1 ZIP code in California.
Where does Julian Community Services District get its water?
The primary water source is groundwater.