Escondido, CA Water Quality Report

Is Escondido tap water safe? See PFAS and lead contamination levels for Escondido, California. Compare to EPA limits and get filter recommendations.

Quick Answers

Is Escondido tap water safe to drink? Escondido tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 33.47 ppt across 1 compound. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.

What contaminants are in Escondido water? Top PFAS compounds detected in Escondido water: lithium (65 ppt). See the full table for all monitored contaminants and comparison to EPA limits.

What filter should I use in Escondido? Reverse osmosis removes 90%+ of PFAS, lead, and arsenic. NSF-53 certified pitcher and faucet filters (ZeroWater, Clearly Filtered, LifeStraw) work for smaller households. Skip standard Brita filters for PFAS removal.

Escondido Water Quality Summary

EPA testing has detected PFAS "forever chemicals" in Escondido drinking water. Recent monitoring found a peak level of 65 ppt across 6 water systems, representing an average of 33.47 ppt across 1 detected compound.

Contamination Level: MODERATE – Moderate contamination – PFAS detected at meaningful levels; filtration recommended.

Top Detected Compounds

  • lithium: 65 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)

Lead in Escondido Water

EPA Lead and Copper Rule testing has recorded 46 lead samples for Escondido water systems, with a 90th-percentile high of 0.044 mg/L (above the EPA 0.015 mg/L action level). There is no safe level of lead for children; if your home was built before 1986, a certified NSF/ANSI 53 lead-removal filter is recommended.

EPA Violations in Escondido

Escondido public water systems have 14 health-based EPA Safe Drinking Water Act violations on record, including Haloacetic Acids (HAA5), Perchlorate, Combined Uranium. Health-based violations mean a contaminant exceeded its federal limit or required treatment was not applied.

About the Data

These figures come from the EPA's Unregulated Contaminant Monitoring Rule 5 (UCMR5) testing program, 2023-2025. UCMR5 is the most comprehensive national drinking water survey in US history, covering 66,000+ public water systems. Population of Escondido: approximately 151,038.

ZIP Codes Served

92025, 92026, 92027, 92029

What Escondido Residents Should Do

  1. Enter your exact ZIP code at knowyourexposure.com for address-level data
  2. Install an NSF/ANSI 58 reverse osmosis filter (removes 94-99% of PFAS)
  3. If you're in a high-exposure group (pregnant, young children), consider a PFAS home test kit
  4. Review your utility's Consumer Confidence Report (CCR) annually