Compare Streams

Water quality data is collected once per month at 30 locations in the Upper Iowa River Watershed. The data can be used to compare one tributary to the next based on characteristics such as temperature, water clarity, bacteria counts, and nitrate concentrations.

3349 samples collected
3343 samples collected
2909 samples collected
2625 samples collected
2530 samples collected
2497 samples collected

pH

2380 samples collected
536 samples collected
536 samples collected
536 samples collected