Main Street Road / County Road E35 bridge 2 miles E of Marshalltown
Remark
Active ambient stream water quality site. This site was originally was a downstream city ambient stream water quality site (Marshalltown). Prior name was Iowa River Downstream of Marshalltown (DS1).
Start by selecting an analyte from the dropdown list
Choose start and end dates as needed, using the sliders. Default date range is the most recent sample date and previous ten years.
Press "Trend It" to view the charts
Share the trend chart by clicking the share button to copy a link to your clipboard. You can send this link to open this page with the analyte and trend charts pre-populated.
An error occurred while trying to retrieve data.
No results for this analyte.
An error occurred while trying to retrieve data.
No results for this analyte.
Yearly Summaries
For the purposes of average calculation, non-detect results are considered to have a value equal to half the detection limit.
Only results collected at or near surface are considered in this summary (no bottom samples/below thermocline/etc)
