Years of time-series data that describe stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall. The data are collected by automatic recorders and manual measurements at field installations.

Data for selected sites recorded at 5 - 60 minute intervals -- may include surface-water, ground-water, water-quality, and meteorological parameters.

Hocking River data can be accessed by doing a site name search with the word Hocking under the site identifier column.

For other data sets you can change the data category to ground water or water quality and change the geographic area to the nation or any other state.