Factsheets & Reports

Factsheets

A technical fact sheet that presents data on concentrations of E. coli found in beach sands in the swash zone at four Lake Erie beaches, 2002, Francy, D.S., and Gifford, A.M., 4 p.

A technical fact sheet that describes the use of predictive models for forecasting bacteria levels and issuing beach advisories at four Ohio beaches, 2002, Francy, D.S., and Darner, R.A., 4 p.

A fact sheet for the general public that describes the current method for determining when the beach is safe for swimming and the need for predictive models to obtain more accurate and timely beach water-quality information, 1998, Veley, R.J., Francy, D.S., and Darner, R.A., 2 p.

Reports

A report that describes the results of predictive model development and testing at four Lake Erie beaches during the recreational season of 2007 and development of new models at two of the beaches (Edgewater and Huntington), 2008, Francy, D.S., and Darner, R.A., 13 p.

A report that describes the use of compositing samples for E. coli and compares the results from sample composites to those obtained by analyzing separate multiple-point samples, in press, by Bertke, E.E., Journal of Great Lakes Research, 2007, by Bertke, E.E., Journal of Great Lakes Research, v. 33, no. 2, p. 335-341.

A report on the use of a rapid method to predict recreational water quality at Cuyahoga Valley National Park, Ohio, in press, 2007, by Bushon, R.N., Brady, A.M.G., and Plona, M.B., Park Science.

An on-line “how-to” manual on developing models for coastal beaches, 2006, by Francy, D.S. and Darner, R.A., USGS Techniques and Methods 6-B5, 34 p.

A report on developing predictive models at five Lake Erie beaches, by Francy, D.S., Bertke, E.E., and Darner, R.A., 2006, USGS Scientific Investigations Report 2006-5192, 13 p.

A report on the use of multiple tools to help identify sources of fecal contamination at two Ohio Lake Erie beaches—an urban beach (Edgewater, Cleveland) and a beach in a small city (Lakeshore, Ashtabula), 2006, by Francy, D.S., Bertke, E.E., Finnegan, D.P., Kephart, C.M., Sheets, R.A., Rhoades, J., and Stumpe, L., USGS Scientific Investigations Report 2006-5298, 29 p.

A report on a study that uses spatial distributions of E. coli and environmental and water-quality factors that can affect concentrations of E. coli to identify sources of fecal contamination to a popular Lake Erie bathing beach and recreational area in northwest Ohio (Maumee Bay), 2005, Francy, D.S., Struffolino, P., Brady, A.M.G., and Dwyer, D.F., USGS Open File Report 2005-1386, 20 p.

A report on the microbiological water quality of a 23-mile segment of the Cuyahoga River within the Cuyahoga Valley National Park in northeast Ohio, 2003, by Bushon, R.N., and Koltun, G.F., USGS Water-Resources Investigations Report 03-4333, 30 p.

A report on research done at five Ohio Lake Erie beaches (Edgewater and Villa Angela, Cleveland; Huntington, Bay Village; Fairport Harbor and Mentor Headlands, Lake County) and one inland lake (Mosquito Lake, Cortland) to investigate the distribution of E. coli in water and sediments, identify wastewater indicators to predict fecal contamination, and develop predictive models, 2002, Francy, D.S., Gifford, A.M., and Darner, R.A., USGS Water-Resources Investigations Report 02-4285, 120 p.

A report on early work to identify environmental and water-quality factors that affected concentrations of E. coli at three Ohio Lake Erie beaches (Edgewater, Villa Angela, and Sims, Cleveland) and first attempts to develop predictive models, 1998, Francy, D.S., and Darner, R.A., USGS Water-Resources Investigations Report 98-4241, 41 p.

Recovery of E. coli in 70 beach water samples by use of the mTEC, modified mTEC, MI, and Colilert methods, 2000, Francy, D.S., and Darner, R.A., Water Research, 9 p.