Anaheim, CA Water Quality Report

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

Quick Answers

Is Anaheim tap water safe to drink? Anaheim tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 5.74 ppt across 8 compounds. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.

What contaminants are in Anaheim water? Top PFAS compounds detected in Anaheim water: PFOS (70 ppt), lithium (61 ppt), PFOA (28 ppt). See the full table for all monitored contaminants and comparison to EPA limits.

What filter should I use in Anaheim? 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.

Anaheim Water Quality Summary

EPA testing has detected PFAS "forever chemicals" in Anaheim drinking water. Recent monitoring found a peak level of 70 ppt across 2 water systems, representing an average of 5.74 ppt across 8 detected compounds.

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

Top Detected Compounds

  • PFOS: 70 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • lithium: 61 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • PFOA: 28 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • PFBA: 0.02 ppt
  • PFPeA: 0.01 ppt

Lead in Anaheim Water

EPA Lead and Copper Rule testing has recorded 11 lead samples for Anaheim water systems, with a 90th-percentile high of 0.0022 mg/L (within 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 Anaheim

Anaheim public water systems have 2 health-based EPA Safe Drinking Water Act violations on record, including Combined Radium (226+228), Surface Water Treatment Rule. 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 Anaheim: approximately 350,365.

ZIP Codes Served

92801, 92802, 92803, 92804, 92805

What Anaheim 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