USGS 05428500 Yahara River at East Main St, Madison, WI
- Latitude 43°05'22", Longitude 89°21'39", at Main Street bridge in Madison.
- Submersible pressure transducer, acoustic velocity meter and phone line with modem.
Datum of gage is 840.00 ft. above NGVD of 1929. Prior to Oct. 1, 2005 datum was 843.22 ft. above NGVD of 1929.