We developed this Nitrate Public Health Advisory Packet (DOH 331-259) to help you respond when nitrate levels in your water supply exceed 10 milligrams per liter (mg/L).
Forms and News Release Templates
For more information
You can get a hardcopy of this packet from our regional offices below, or order online from our Publications Database.
Eastern Region Spokane Valley 509-329-2100
Northwest Region Kent 253-395-6750
Southwest Region Tumwater 360-236-3030
Regional offices map (PDF) includes addresses and phone numbers.