Drinking Water Source Assessment

Water Treatment small


In accordance with the Federal Safe Drinking Water Act, an assessment of the drinking water sources for Monterey Park was completed in December 2002. The assessment concluded that the City of Monterey Park's groundwater is considered vulnerable to the following activities or facilities associated with contaminants detected in the water supply:
  • Fleet / truck / bus terminals
  • Utility station maintenance areas
  • Gas stations
  • Dry cleaners
  • Known contaminant plumes
  • Metal plating / finishing / fabricating
  • Plastics / synthetics producers
  • Chemical / petroleum processing / storage
The groundwater sources are also considered most vulnerable to the following activities or facilities not associated with contaminants detected in the water supply: leaking underground storage tanks and transportation corridors. A copy of the complete assessment is available at the City of Monterey Park Water Utility Division at 751 South Alhambra Avenue, Monterey Park, CA 91754. You may request a summary of the assessment by contacting Richard Gonzales, Water Utility Manager, at 626-307-1295.

Other Water Sources


On occasion, the City of Monterey Park purchases groundwater from San Gabriel Valley Water Company (SGVWC). An assessment of the drinking water sources for SGVWC was completed in December 2002. The assessment concluded that SGVWC's sources are considered most vulnerable to the following activities or facilities associated with contaminants detected in the water supply:
  • Leaking underground storage tanks
  • Hardware / lumber / parts stores
  • Hospitals
  • Gas stations
  • Known contaminant plumes
In addition, SGVWC sources are considered most vulnerable to the following activities or facilities not associated with contaminants detected in the water supply: above ground storage tanks, spreading basins, storm drain discharge points, and transportation corridors. For more information, contact Hai-Van Nguyen of SGVWC at 626-448-6183.