View detailed trend report
Decreasing trend
(-0.722 mg/L as CaCO3 per year)
COLUMBIA RIVER AT BIRCHBANK (BC08NE0005)
Interactive Plot for Hardness (mg/L as CaCO3)
Trend:
No B.C. Aquatic Life Guideline
Scroll over data points to view values. See top right bar for more options.
Web Browser Support
To view the interactive map, graphs, and reports, you must use an up-to-date version of one of these browsers: Chrome™, Firefox®, Microsoft Edge, or Safari. Reports and graphs may not display for Windows 7, Internet Explorer 11 users
