Spokane River Watersheds

Watershed Planning & Implementation for WRIAs 54, 55, 56, & 57

WRIA 55 Data-Nitrate Data

This data layer includes nitrate concentrations as reported to the Spokane Regional Health District for the purpose of providing evidence of an adequate water supply to obtain a building permit.

Data Descriptions

Well Data
Estimated Well Yield
Estimated Well Depth
Nitrate Data
Surface Geology
Surface Hydrogeology
Upper Sand & Gravel Aquifer
Lower Sand & Gravel Aquifer
Basalt Aquifer
Geologic Cross Sections
Primary Water Bearing Units