Cocolalla Slough Station

Water Quality Monitoring Station

Pend Oreille River

How to use the graph: View data for only one year by clicking on that year in the legend. Supplemental information is provided by hovering over a data point. 

For a link to IDEQ’s Water Quality Standards, click here.

For an explanation on Box Plots, click here.

Status – No Known Issues

Citizen Scientist(s): Paul Dukes

Cocolalla Slough is located downstream of Morton Slough and drains Cocolalla Creek. Samples are collected from Cocolalla Slough in order to determine if Cocolalla Lake and/or Cocolalla Creek influence the water quality of the slough. 

Location: 48°10’40.15″ 116°42’50.06″

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!