Carlsbad Desalination Plant
EPA ID: CA3710045 · 0 people served · 6 ZIP codes
From the earliest to the most recent cycle in the five-year EPA window, Carlsbad Desalination Plant has logged zero violations — no MCL exceedances, no health advisories, and no enforcement activity across the entire period for the 0 people in its service area, a record that stands up well against both state and national benchmarks.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Carlsbad Desalination Plant serves a community with a median household income of $137,799 and an estimated 114,500 residents across its service area. Approximately 45% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Carlsbad Desalination Plant's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
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
Carlsbad Desalination Plant (EPA ID: CA3710045) is a community water system in California that serves approximately 0 people from surface water sources.
This system provides water to 6 ZIP codes across 1 community.
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
- 92008 — Carlsbad
- 92009 — Carlsbad
- 92010 — Carlsbad
- 92011 — Carlsbad
- 92013 — Carlsbad
- 92018 — Carlsbad
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Carlsbad Desalination Plant (CA3710045) on EPA.gov.
Frequently Asked Questions
Is Carlsbad Desalination Plant water safe to drink?
Based on EPA records, Carlsbad Desalination Plant has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Carlsbad Desalination Plant serve?
Carlsbad Desalination Plant serves approximately 0 people across 6 ZIP codes in California.
Where does Carlsbad Desalination Plant get its water?
The primary water source is surface water.