Inlet/Outlet

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Inlet/Outlet
Lake Miltona empties into Lake Ida as part of the Long Prairie River watershed. A dam is located on this outlet. The outlet dam is owned and maintained by the Minnesota Department of Natural Resources. It was built in 1937 and was modified in 1988. The dam height is fixed at a level controlled by the DNR. As such, the dam does not maintain a constant lake level. A significant variation in lake level occurs depending on environmental factors such rain and snow melt and evaporation.

The pictures below show some of the ranges of lake water level observed. Often in the spring more water is available in Lake Miltona so the flow over the dam is high and the lake level is high. This is illustrated in the picture taken on May 10, 2022. Note in this picture that even though the water is very high it is not washing around the dam. The second picture taken on September 21, 2023 illustrates a low lake level. Note that in this picture water is not even flowing over the top of the board that makes up
the dam.

Two references for more information on dams from the MN DNR are:
1. https://arcgis.dnr.state.mn.us/ewr/dam_finder/
2. https://files.dnr.state.mn.us/publications/waters/lake_outlet_dams.pdf

Inlets (1-4)
Water enters Lake Miltona via the four inlets shown on the map. The approximate locations are marked on the image below. Lake Miltona Association, in cooperation with the Douglas County Soil and Water District, monitors these four inlets to the lake as part of the Minnesota Pollution Control Agency Long Prairie watershed monitoring plan. Marked on the image below are approximate locations.

Inlets (1-4) (OLD TEXT)
The Lake Miltona Association, in cooperation with the Douglas County Soil and Water District, is continuing a program to monitor four inlets to the lake as part of the Minnesota Pollution Control Agency Long Prairie watershed monitoring plan. Marked on the image below are approximate locations.

Inlets
1-Dittberner's Creek
2-Irene Inlet
3-Tamarac Bay Inlet
4-Spring Lake Inlet

Outlet
5-From Lake Miltona to Lake Ida

The Health of Streams Flowing into Lake Miltona (pdf)

Outlet (5)
Lake Miltona empties into Lake Ida as part of the Long Prairie River watershed. A dam is located on this outlet. The outlet dam is owned and maintained by the Minnesota Department of Natural Resources. It was built in 1937 and was modified in 1988. The dam height is fixed at a level controlled by the DNR. As such, the dam does not maintain a constant lake level. A significant variation in lake level occurs depending on environmental factors such rain and snow melt and evaporation.

The pictures below show some of the ranges of lake water level observed. Often in the spring more water is available in Lake Miltona so the flow over the dam is high and the lake level is high. This is illustrated in the picture taken on May 10, 2022. Note in this picture that even though the water is very high it is not washing around the dam. The second picture taken on September 21, 2023 illustrates a low lake level. Note that in this picture water is not even flowing over the top of the board that makes up the dam.

Lake Miltona May 10, 2022
Lake Miltona Sept 21, 2023