Boyer Slough Station

Water Quality Monitoring Station

Lake Pend Oreille


Citizen Scientist(s): Carolyn Knaack

Located on the northern shore of Lake Pend Oreille in Bonner County. Boyer Slough is the receiving waters of the Kootenai Ponderay Sewer District.

Boyer Slough is currently impaired for nitrogen and phosphorus. A Total Maximum Daily Load (TMDL) is in development to address these impairments. 

To use our interactive graphs, view the data for only one year by clicking on that year in the legend or by hovering over a single data point for more information.

Location: 48° 18’37.60″ 116°29’36.50″

Support this Program!

Laboratory analysis of water samples are very expensive totalling about $1,000 per station per field season. Your donation helps cover the costs of collecting & analyzing water samples.

Become a Citizen Scientist!

Become a trained citizen scientist. Collecting water samples is a great way to enjoy time on the water & get involved in active stewardship of our local waterways!