Water testing at Hockinson Heights Elementary School shows the water is safe to drink, and lead levels are far below federal guidelines.
On Feb. 1, 109 samples were collected at the school and submitted for testing as part of a voluntary state program. A state-accredited laboratory analyzed the samples, and the school district received laboratory results last week. The results showed:
• 72 sites had 1 or fewer parts per billion (ppb)
• 19 had 2 ppb
• 11 had 3 ppb
• 2 had 4 ppb
• 1 had 7 ppb
• 1 had 9 ppb
• 1 had 10 ppb
• 2 had too much turbidity and are being reanalyzed
The EPA standard for lead in water systems is a maximum of 20 ppb.
The district will follow the state’s recommendations for working with fixtures that show lead concentrations of 2 ppb or more, said Hockinson Maintenance/Operations Supervisor Shaniko Ristau.
Full results and the state’s recommendations are available at Lead in School Water Results.