The Clallam County Environmental Laboratory is run by Clallam County Environmental Health Services in Room 130 of the county courthouse in Port Angeles. The county says individuals with a private well may test their water there.
Tests. Coliform bacteria (presence/absence), total coliform and E. coli colony counts, E. coli, enterococci, raw fecal coliform and nitrate.
Prices. Fees published on the county’s water testing page (viewed 2026-10-24): coliform presence/absence 24-hour test $22, 18-hour test $42; total coliform/E. coli colony count $50; E. coli $50; enterococci $50; raw fecal coliform $56; nitrate $32.
Bottles and drop-off.
- Pick up empty bottles at the Environmental Health Services counter, Monday to Friday 8am to 4:30pm, or at Sequim City Hall or the Forks Health Department.
- Samples are accepted Monday to Wednesday 8am to 3:30pm and Thursday until noon. No samples on Thursday afternoons or Fridays.
- A courier drop-off runs at the Forks Health Department (140 W C St) on the first and third Tuesday of each month, except holidays.
Accreditation. Ecology accreditation H421 (current certificate H421-26), covering coliform and E. coli and nitrate in drinking water. The Department of Health lists the lab for nitrate and coliform testing of private wells.