Headwater (Lake) Level
Tailwater (River) Level
As of May 2, RPU is displaying new lake level and tailwater graphs due to a required upgrade to our internal servers. For more information click on the National Weather Service link which shows additional detail.
Click here for the National Weather Service Lake Zumbro Water Summary
The Lake Zumbro Dam Tail Water Level was 859.7 ft. and the Lake Zumbro Water Level was 914.6 ft. on 05/21/2025 at 01:29:00 AM.