River Conditions
Illustrated map of Grand Lake St Marys

River stage

Hoover Pool, Big Walnut Creek

River level
891.96 ft
Status
Below flood stage
Action stage
898.00 ft

Last reported 2026-10-13 | NWS HOOO1

In brief

The Big Walnut Creek at Hoover Pool, OH read 891.96 ft on Oct 13, 2026, 6.04 ft below action stage.

Source: National Weather Service gauge HOOO1

Stage threshold profile

Action stage 898.00 ft CURRENT 891.96 ft

Water 68 °F (20 °C) · about normal for this date · -2 °F in 24 hours

Frequently asked questions

Is the Big Walnut Creek flooding at Hoover Pool?

No. The Big Walnut Creek at Hoover Pool is at 891.96 ft, 6.04 ft below action stage.

What is the flood stage at Hoover Pool?

Action stage 898 ft is the first threshold.

What is the highest the Big Walnut Creek has been at Hoover Pool?

The National Weather Service has not published a crest history for this gauge.

How warm is the water at Hoover Pool, Big Walnut Creek?

The water temperature at Hoover Pool, Big Walnut Creek is 68 °F (19.7 °C), measured 6:45 pm by USGS, which is about average for this date over the past ten years. It has fallen 1.6 °F in the last 24 hours.

Stage and flood information from the NOAA National Weather Service (gauge HOOO1); daily history from the U.S. Geological Survey (site 03228400). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.