San Buenaventura, CA Water Quality Report
Is San Buenaventura tap water safe? See PFAS and lead contamination levels for San Buenaventura, California. Compare to EPA limits and get filter recommendations.
Quick Answers
Is San Buenaventura tap water safe to drink? San Buenaventura water has high PFAS contamination. EPA UCMR5 testing detected a peak level of 140 ppt, significantly above the EPA's 4 ppt enforceable limit. A reverse osmosis or certified PFAS filter is strongly recommended.
What contaminants are in San Buenaventura water? Top PFAS compounds detected in San Buenaventura water: lithium (140 ppt), PFHxS (0 ppt), PFBS (0 ppt). See the full table for all monitored contaminants and comparison to EPA limits.
What filter should I use in San Buenaventura? 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.
San Buenaventura Water Quality Summary
EPA testing has detected PFAS "forever chemicals" in San Buenaventura drinking water. Recent monitoring found a peak level of 140 ppt across 3 water systems, representing an average of 32.36 ppt across 3 detected compounds.
Contamination Level: HIGH – High contamination – multiple PFAS compounds detected at levels significantly above EPA safety thresholds.
Top Detected Compounds
- lithium: 140 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
- PFHxS: 0 ppt
- PFBS: 0 ppt
Lead in San Buenaventura Water
EPA Lead and Copper Rule testing has recorded 10 lead samples for San Buenaventura water systems, with a 90th-percentile high of 0.0051 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 San Buenaventura
San Buenaventura public water systems have 6 health-based EPA Safe Drinking Water Act violations on record, including Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Arsenic. 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 San Buenaventura: approximately 110,763.
ZIP Codes Served
What San Buenaventura Residents Should Do
- Enter your exact ZIP code at knowyourexposure.com for address-level data
- Install an NSF/ANSI 58 reverse osmosis filter (removes 94-99% of PFAS)
- If you're in a high-exposure group (pregnant, young children), consider a PFAS home test kit
- Review your utility's Consumer Confidence Report (CCR) annually