Grand River at Ada
Observed Tue, Sep 22, 4:00 AM EDT
- Flood stage
- 20.00 ft
- Record crest
- 22.81 ft2013
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 25.00 ft |
| Moderate flood | 22.00 ft |
| Minor flood | 20.00 ft |
| Action | 17.00 ft |
- 29.00 ftAlticor Inc. Catalog and Powder Complex flood.
- 27.00 ftAlticor Inc. buildings number 34 and 58 flood.
- 24.50 ftInner dike along Alticor Inc. overtopped. East complex on Alticor Inc. floods.
- 21.60 ft500 parking spaces in the Alticor Inc. parking lot are inundated and one gate into the Alticor Inc. complex is closed due to the high water. Ada River Walk near Covered Bridge and Leonard Field Ball Park in Ada flooded.
- 20.70 ftFloodwaters begin to affect walkways along the river near downtown Ada.
- 20.50 ftChief Hazy Cloud Park downstream of gage begins to flood.
- 20.00 ftExpect minor flooding of low lying areas.
- 17.00 ftRiver is bankfull. Shady Drive floods.
- 13.00 ftWater starts to impact low spots on the walking and biking trails along the river in Roselle Park.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
43 crests on NOAA’s list since 1972.
| # | Date | Stage |
|---|---|---|
| 1 | April 21, 2013 | 22.81 ft |
| 2 | February 24, 2018 | 22.56 ft |
| 3 | May 21, 2020 | 21.62 ft |
| 4 | February 28, 1986 | 21.60 ft |
| 5 | May 26, 2004 | 21.56 ft |
| 6 | February 28, 1985 | 21.55 ft |
| 7 | April 8, 2023 | 21.01 ft |
| 8 | March 8, 1976 | 20.75 ft |
| 9 | February 24, 1997 | 20.72 ft |
| 10 | March 18, 1982 | 20.65 ft |
| 11 | October 10, 1986 | 20.65 ft |
| 12 | December 31, 2008 | 20.05 ft |
| 13 | October 4, 1981 | 20.00 ft |
| 14 | April 9, 2017 | 19.89 ft |
| 15 | April 23, 1975 | 19.45 ft |
| 16 | April 4, 1985 | 19.22 ft |
| 17 | March 8, 1974 | 18.95 ft |
| 18 | May 21, 2000 | 18.84 ft |
| 19 | January 5, 1973 | 18.72 ft |
| 20 | February 13, 2001 | 18.26 ft |
| 21 | May 1, 2011 | 18.23 ft |
| 22 | March 17, 1990 | 18.21 ft |
| 23 | June 22, 1996 | 18.00 ft |
| 24 | January 16, 2005 | 17.80 ft |
| 25 | March 17, 2019 | 17.78 ft |
Most recent crests
- January 30, 2024: 17.15 ft
- April 8, 2023: 21.01 ft
- February 25, 2022: 17.01 ft
- June 30, 2021: 17.25 ft
- May 21, 2020: 21.62 ft
- March 17, 2019: 17.78 ft
- February 24, 2018: 22.56 ft
- April 9, 2017: 19.89 ft
- April 4, 2016: 15.25 ft
- June 27, 2015: 14.00 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. Stage may be affected by ice during winter months.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.