News Details

Conservation Northwest on Instagram: "🚨 TODAY at 12:30 PM: SB 5203 hits the Senate floor for its SECOND READING! 🚨...

5 Feb, 2026
Conservation Northwest on Instagram: "🚨 TODAY at 12:30 PM: SB 5203 hits the Senate floor for its SECOND READING! 🚨...

City of Pasadena Releases Spring Water Quality Report

The City of Pasadena has released its annual Spring Water Quality Report, detailing the results of water testing conducted throughout the past year. The report confirms that Pasadena's drinking water meets all state and federal standards for safety and quality.

Water Source and Treatment Process

Pasadena's water supply is primarily sourced from the Metropolitan Water District of Southern California (MWD). This imported water undergoes a rigorous treatment process at the Weymouth Filtration Plant. The report outlines the various stages of filtration and disinfection employed to ensure the water is safe for consumption. Included in the testing are analyses for a range of potential contaminants, such as disinfectants, inorganic contaminants, volatile organic chemicals, synthetic organic chemicals, and radionuclides.

Key Findings and Compliance

The Spring Water Quality Report indicates that all tested parameters for contaminants were within the established Maximum Contaminant Levels (MCLs) set by the U.S. Environmental Protection Agency (EPA) and the California State Water Resources Control Board. This means that the water delivered to residents and businesses in Pasadena is consistently safe and meets all regulatory requirements. The report provides detailed data tables for specific contaminants, showing the detected levels and their comparison to the MCLs.

Conclusion

In summary, the City of Pasadena's Spring Water Quality Report confirms the high quality and safety of its drinking water. The water supply, sourced from MWD and treated at the Weymouth Filtration Plant, consistently adheres to all state and federal drinking water regulations, as evidenced by comprehensive testing results.