Santa Clarita, CA Water Quality Report

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

Quick Answers

Is Santa Clarita, CA tap water safe to drink? Santa Clarita, CA tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 0.83 ppt across 8 compounds. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.

What contaminants are in Santa Clarita, CA water? Top PFAS compounds detected in Santa Clarita water: PFOA (27 ppt), PFHpA (14 ppt), PFHxA (0.02 ppt). See the full table for all monitored contaminants and comparison to EPA limits.

What filter should I use in Santa Clarita, CA? For Santa Clarita, CA households, 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.

Santa Clarita, CA Water Quality Summary

EPA testing has detected PFAS "forever chemicals" in Santa Clarita, CA drinking water. Recent monitoring found a peak level of 27 ppt across 3 water systems, representing an average of 0.83 ppt across 8 detected compounds.

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

Top Detected Compounds

  • PFOA: 27 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • PFHpA: 14 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • PFHxA: 0.02 ppt
  • PFOS: 0.02 ppt
  • PFPeA: 0.02 ppt

Lead in Santa Clarita, CA Water

EPA Lead and Copper Rule testing has recorded 26 lead samples for Santa Clarita water systems, with a 90th-percentile high of 0.012 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 Santa Clarita, CA

Santa Clarita public water systems have 35 health-based EPA Safe Drinking Water Act violations on record, including Nitrite, Surface Water Treatment Rule, Chromium, Selenium. Health-based violations mean a contaminant exceeded its federal limit or required treatment was not applied.

About the Data

Source: EPA UCMR5 (Unregulated Contaminant Monitoring Rule 5), the 2023-2025 national testing program spanning 66,000+ public water systems – the broadest drinking water survey ever run in the US. Santa Clarita, CA serves a population of roughly 228,673.

ZIP Codes Served

91321, 91350, 91351, 91354, 91355

What Santa Clarita, California Residents Should Do

  1. Enter your exact ZIP code at knowyourexposure.com for address-level data
  2. Request the latest Consumer Confidence Report (CCR) from your California utility – it is free and updated annually
  3. Choose a filter certified for PFAS: NSF/ANSI 58 reverse osmosis (94-99% removal) or an NSF-53 pitcher
  4. High-exposure households (pregnancy, infants, immunocompromised) should also consider a PFAS home test kit