QUISTORFF is a small public water system in EPA region 10 that provides tap water for the 98503 zip codes. It has 4 facilities where the water supply was tested for 30 chemical contaminants that impact tap water quality and human health.
All the latest water samples for QUISTORFF had reported contaminant levels that were below unsafe concentration levels.
The latest water samples were taken on January 29th, 2025.