O'Dowd Lake

Quick Facts

DNR Lake ID Number:  70-009500
Surface Area:  300.52 acres
Littoral Area:  
235 acres
Lake Watershed Area:  

Maximum Depth:  
22 feet
Shore Length: 
9.27 miles  
Ordinary High Water Level:  
945.2 feet above sea level
Public Boat Access:  One DNR public access is available off Townline Ave/C.R. 79
Water Quality Impairment Status:  Impaired for mercury and fish bioassessments

Ecoregion: North Central Hardwood Forest


Water Quality 2005 - 2021

O’Dowd Lake meets water quality standards for total phosphorus, chlorophyll-a and transparency.  Below is the most recent water quality data collected annually by Citizen-Assisted Lake Monitoring Program (CAMP) volunteers.  As you can see from the chart below, all three parameters have been improving since 2005.  O’Dowd Lake was removed from the federal impaired waters list in 2016 for excess nutrients.

Odowd chart

Aquatic Invasive Species

O’Dowd Lake is infested with the aquatic invasive species Potamogeton crispus or curly-leaf pondweed since before 1995 and with Myriophyllum spicatum or Eurasian watermilfoil since 2002. 

More information on curly-leaf pondweed:



More information on Eurasian watermilfoil:


Lake Vegetation Surveys 

2008, 2009, 2012, 2013


White water lily – O’Dowd Lake, Scott County, MN

water lily

Project Fact Sheets

Lake O’Dowd Improvements