Water-Quality and Biological Trends on the
Lower Boise River
Conducted in cooperation with Idaho Department of Environmental Quality
Data
Links to project water and biological data are available from our Site List or Interactive Map. Below is a list of the types of data collected for this project. Additional water data may be available for each site through NWIS.
Statewide Information (HUCs, topography, hunting area boundaries, other information, and links to data) is also available for the lower Boise River study area.
Water-quality & Discharge Parameters:
- Nutrients
- Total nitrogen
- Nitrite plus nitrate
- Dissolved ammonia
- Dissolved ammonia with total organic matter
- Total phosphorus, and orthophosphorus
- Instantaneous discharge, temperature, dissolved oxygen, conductivity, and pH
- Continuous temperature data (selected sites)
- Suspended sediment concentrations
- Bacteria
- Fecal coliform
- Escherichia coliform
Biological Parameters:
- Epilithic (on rocks) periphyton analyzed for chlorophyll-a and biomass
- Invertebrate and fish community assessment
- Fish tissue mercury concentrations
