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

Download Raw Data

The Lake Zumbro Dam Tail Water Level was 860.5 ft. and the Lake Zumbro Water Level was 915.1 ft. on 05/03/2025 at 11:05:00 AM.