Grand River at Ada

Last updated: Jun 14, 2025, 7:28 AM UTC

No watches, warnings or advisories are in effect for this area.

Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.

US Geological Survey
Observations courtesy of U.S. Geological Survey

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

Observed (OBS) 06/14/2025 2:00 AM EDT

Record: 22.8 ft

CATEGORY STAGE

Major Flooding 25 ft

Moderate Flooding 22 ft

Minor Flooding 20 ft

Action 17 ft

Reliability of the Forecast:

NOTE: 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.
Stage may be affected by ice during winter months.
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	CATEGORY	STAGE
	Major Flooding	25 ft
	Moderate Flooding	22 ft
	Minor Flooding	20 ft
	Action	17 ft

Flood Impacts 🅘

29 - Alticor Inc. Catalog and Powder Complex flood.
27 - Alticor Inc. buildings number 34 and 58 flood.
24.5 - Inner dike along Alticor Inc. overtopped. East complex on Alticor Inc. floods.

Gauge Info

Coordinates	42.9570, -85.4775
RFC	NCRFC
State	MI
WFO	GRR
County	Kent
Data Provider(s)
US Geological Survey	USGS--Water Resources of the United States
USGS	04118105

Gauge Location

Recent Crests

1.	21.01 ft	on 04-08-2023
2.	17.01 ft	on 02-25-2022
3.	17.25 ft	on 06-30-2021
4.	21.62 ft	on 05-21-2020
5.	17.78 ft	on 03-17-2019

Historic Crests

1.	22.81 ft	on 04-21-2013
2.	22.56 ft	on 02-24-2018
3.	21.62 ft	on 05-21-2020
4.	21.60 ft	on 02-28-1986
5.	21.56 ft	on 05-26-2004

Vertical Datum Table

type	NAVD88
major Flooding	628.51 ft
moderate Flooding	625.51 ft
minor Flooding	623.51 ft
action	620.51 ft
Latest Value	611.34 ft
Gauge Zero	603.51 ft

Gauge Photos

Photo 1 of 21

Backside of Ada Dam on the Thornapple River

Probability Information

Photo 1 of 3

Weekly Chance of Exceeding Levels
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Chance of Exceeding Levels During Entire Period
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Short Range Forecast Uncertainty
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Unique Local Info

How low could the river get?

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office

Grand Rapids

4899 Tim Dougherty Drive SE

Grand Rapids, MI 49512-4034

(616) 949-0643

Ask Questions/Webmaster

Official Homepage

1.	21.01 ft	on 04-08-2023
2.	17.01 ft	on 02-25-2022
3.	17.25 ft	on 06-30-2021
4.	21.62 ft	on 05-21-2020
5.	17.78 ft	on 03-17-2019
6.	22.56 ft	on 02-24-2018
7.	19.89 ft	on 04-09-2017
8.	15.25 ft	on 04-04-2016
9.	14.00 ft	on 06-27-2015
10.	15.71 ft	on 03-25-2014
11.	22.81 ft	on 04-21-2013
12.	14.04 ft	on 03-05-2012
13.	18.23 ft	on 05-01-2011
14.	16.33 ft	on 03-16-2010
15.	20.05 ft	on 12-31-2008
16.	15.66 ft	on 09-19-2008
17.	16.07 ft	on 04-15-2008
18.	16.05 ft	on 03-15-2007
19.	16.35 ft	on 03-16-2006
20.	17.80 ft	on 01-16-2005
21.	21.56 ft	on 05-26-2004
22.	12.05 ft	on 04-07-2003
23.	15.59 ft	on 03-13-2002
24.	18.26 ft	on 02-13-2001
25.	18.84 ft	on 05-21-2000
26.	17.65 ft	on 04-27-1999
27.	20.72 ft	on 02-24-1997
28.	18.00 ft	on 06-22-1996
29.	15.70 ft	on 05-24-1996
30.	15.45 ft	on 04-18-1991
31.	18.21 ft	on 03-17-1990
32.	20.65 ft	on 10-10-1986
33.	21.60 ft	on 02-28-1986
34.	19.22 ft	on 04-04-1985
35.	21.55 ft	on 02-28-1985
36.	20.65 ft	on 03-18-1982
37.	20.00 ft	on 10-04-1981
38.	20.75 ft	on 03-08-1976
39.	19.45 ft	on 04-23-1975
40.	18.95 ft	on 03-08-1974
41.	18.72 ft	on 01-05-1973
42.	17.17 ft	on 04-20-1972

1.	22.81 ft	on 04-21-2013
2.	22.56 ft	on 02-24-2018
3.	21.62 ft	on 05-21-2020
4.	21.60 ft	on 02-28-1986
5.	21.56 ft	on 05-26-2004
6.	21.55 ft	on 02-28-1985
7.	21.01 ft	on 04-08-2023
8.	20.75 ft	on 03-08-1976
9.	20.72 ft	on 02-24-1997
10.	20.65 ft	on 03-18-1982
11.	20.65 ft	on 10-10-1986
12.	20.05 ft	on 12-31-2008
13.	20.00 ft	on 10-04-1981
14.	19.89 ft	on 04-09-2017
15.	19.45 ft	on 04-23-1975
16.	19.22 ft	on 04-04-1985
17.	18.95 ft	on 03-08-1974
18.	18.84 ft	on 05-21-2000
19.	18.72 ft	on 01-05-1973
20.	18.26 ft	on 02-13-2001
21.	18.23 ft	on 05-01-2011
22.	18.21 ft	on 03-17-1990
23.	18.00 ft	on 06-22-1996
24.	17.80 ft	on 01-16-2005
25.	17.78 ft	on 03-17-2019
26.	17.65 ft	on 04-27-1999
27.	17.25 ft	on 06-30-2021
28.	17.17 ft	on 04-20-1972
29.	17.01 ft	on 02-25-2022
30.	16.35 ft	on 03-16-2006
31.	16.33 ft	on 03-16-2010
32.	16.07 ft	on 04-15-2008
33.	16.05 ft	on 03-15-2007
34.	15.71 ft	on 03-25-2014
35.	15.70 ft	on 05-24-1996
36.	15.66 ft	on 09-19-2008
37.	15.59 ft	on 03-13-2002
38.	15.45 ft	on 04-18-1991
39.	15.25 ft	on 04-04-2016
40.	14.04 ft	on 03-05-2012
41.	14.00 ft	on 06-27-2015
42.	12.05 ft	on 04-07-2003