USGS Ohio Water Science Center
What we're doing...
Predicting The Cuyahoga Valley National Park’s Stream Water Quality.
8/21/2015 -- A new report describes an automated nowcast system that quickly estimates water-quality conditions seven days a week at one site along the Cuyahoga River within the national park. Nowcasts provide estimates of the current bacterial water-quality conditions based on predictive models using easily measured explanatory variables; the Cuyahoga River Nowcast has been operational since 2009. Traditionally, daily manual collection and processing of samples was required in order to acquire the required explanatory-variable data. The USGS and National Park Service collaborated on this updated nowcast with the goal of finding the most efficient and cost-effective way to provide the public with information needed to make informed recreational-use decisions.
Groundwater Quality In Geauga County.
8/11/2015 -- Domestic wells that are not safeguarded by regular water-quality testing provide drinking water for 79 percent of the residents of Geauga County, in northeastern Ohio. The USGS worked cooperatively with the county to monitor the groundwater quality during 1978 through 2009. In 2009, 41 of the constituents analyzed for had human-health benchmarks to which results could be compared. Benchmarks were exceeded at varying frequencies for arsenic, total coliform bacteria, fecal coliform bacteria, and sodium. Methane was detected at low concentrations in water from 19 percent of sampled wells. The primary effect of human activities on groundwater quality was found to be the input of salinity, primarily from road salt. From 1978 to 1999, there were no consistent temporal trends for many of the constituents; instead, the fluctuations in concentration represent natural variation. A new report describes the status of groundwater in 2009 and changes in the water from 1978 to 2009.
Water Quality At The Edge Of Field.
7/17/2015 -- As part of the Great Lakes Restoration Initiative (GLRI), an effort is in progress to better understand the effect of differing agricultural practices on the quantity and quality of runoff water from farms. This effort includes surface runoff from the edges of fields and discharge from subsurface drains, as well as the effect of this water on streams receiving the runoff. In the Eagle Creek subwatershed of northwestern Ohio, a streamgage and continuous water-quality monitor collect continuous data at Eagle Creek above Findlay (04188496). In addition, water samples are being collected for analysis of nutrients (forms of nitrogen and phosphorus) at the Eagle Creek above Findlay site as well as a subsurface drain tile from a field (405051083391001), and a waterway (405051083391201).
Water Resources Programs in Ohio
Ohio WSC Fact Sheets