CCWD Testing for PFAS

Per- and polyfluoroalkyl substances (PFAS) are not regulated, however, Contra Costa Water District monitored for 6 PFAS including Perfluorooctanoic acid (PFOA) and Perfluorooctane sulfonic acid (PFOS) in 2013 as part of the Third Unregulated Contaminant Monitoring Rule (UCMR 3) and is monitoring for 29 PFAS in 2023 as part of the Fifth Unregulated Contaminant Monitoring Rule (UCMR 5). PFAS have not been detected in any CCWD samples. Call our Water Quality Hotline with questions at 925-688-8156 or send us an email.

About PFAS

PFAS are a group of more than 12,000 human-made substances that are not naturally occurring and are resistant to heat, water, and oil. Due to their unique chemistry, PFAS have been widely used in consumer goods and, as a result, detected in air, water, wastewater, and soil worldwide.

Additional Resources