A Flood Warning System for Findlay, Ohio.

02/13/2008 -- With the recent flooding, the residents of Findlay, Ohio, are having flashbacks to the August 2007 floods in northwestern Ohio. The USGS and the City of Findlay have devised an innovative way to alert residents and emergency personnel when floodwaters from the Blanchard River are expected to reach critical levels. The USGS recently installed four new streamflow and rain gages, which will enhance the National Weather Service's ability to accurately forecast flood peaks in the Findlay area and provide additional early-warning capabilities. A News release and article in the Water Management Association of Ohio’s (WMAO) Winter 2008 issue of “The Ohio Water Table” further describe the effort. Photos by Mary Terry, courtesy of City of Findlay Engineer’s Office.

2007 Peter G. Finke Award.

12/28/2007 -- K. Scott Jackson, a scientist with the U.S. Geological Survey, Ohio Water Science Center, was presented the 2007 Peter G. Finke Award for Most Valuable Contribution to Floodplain Management. Each year at the Ohio Statewide Floodplain Management Conference, the Ohio Floodplain Management Association acknowledges individuals for their dedication and service in floodplain management by presenting Recognition Awards. Congratulations, Scott!

Occurrence of Anthropogenic Organic Compounds in Ground Water and Finished Water Described in Report.

12/18/2007 -- As part of a Source Water Quality Assessment (SWQA) of the USGS National Water-Quality Assessment  (NAWQA) Program, source water for 15 wells in the vicinity of Dayton, Ohio, was sampled for the occurrence of 258 anthropogenic organic compounds (AOCs). Source water is the raw (ambient) water collected at the supply well prior to water treatment and delivery to consumers as drinking water. As described in a new report by M.A. Thomas, at least one AOC was detected in 12 of the 15 samples. Source water samples were then compared to samples of finished water (treated water ready to delivery to the customer) associated with each well. Volatile organic compound (VOC) detections were generally higher in finished water than in source water, primarily due to compounds that can form during the treatment process. Finally, concentrations of AOCs were compared to their respective human-health benchmarks. Only three VOCs were detected at concentrations that approach human-health benchmarks.

New USGS Ground Water Watch Web Pages Available.

12/05/2007 -- The USGS Office of Ground Water recently released new Web pages for the USGS Ground Water Watch. Ground-water networks represented include the Active Water-Level Network, the Climate Response Network, and the Real-Time Ground-Water Level Network. Nationally, the Active Water-Level Network contains water levels and well information from more than 20,000 wells that have been measured by the USGS or USGS cooperators at least once within the past 365 days and entered into the USGS database. Ohio has a total of 119 wells that are part of the Active Ground-Water Level Network, including 11 real-time wells, 13 continuous wells, and 95 periodic wells.
 

Historical Data Available on Web Plus 11 New Gages in Ohio.

11/20/2007 -- Streamgages operated by the USGS provide long-term, accurate, unbiased streamflow information to help protect life and property and manage the Nation’s water resources. Historical instantaneous streamflow data are now available by way of a new USGS online database.

In 2007, eleven stream gages were installed, reinstated, or upgraded in Ohio. These include four new gages as part of the Licking County Flood Warning Network and four new and one upgraded gage as part of the City of Findlay in Hancock County Flood Warning Network. Additionally, a gage was installed in Butler County and an inactive gage restarted in Defiance County. A list of the gages with links to the site’s real-time data through the National Water Information System Web Interface (NWISWeb) is provided.

2006 Flood in North-Central Ohio Documented in New Report.

10/18/2007 -- Heavy rains caused severe flooding in north-central Ohio on June 22–24, 2006. Six counties (Cuyahoga, Erie, Huron, Lucas, Sandusky, and Stark) were declared Federal disaster areas. The peak streamflow of 25,400 cubic feet per second and corresponding peak gage height of 23.29 feet were the highest recorded at the USGS streamflow-gaging station Cuyahoga River at Independence (04208000) since the station began operation in 1922, exceeding the previous peak streamflow of 24,800 cubic feet per second that occurred on January 22, 1959. A new report describes the meteorological factors associated with the flood, as well as stages and flows at the Cuyahoga River at Independence and 10 other USGS gaging stations in north-central Ohio (more)164KB.

New Technology Aims to Distinguish Sources of Fecal Contamination in Portage River Watershed.

10/11/2007 -- Microbiologists with the USGS Ohio Water Science Center have begun a study to test the usefulness of new microbial source tracking (MST) technologies to identify sources of fecal contamination in the Portage River Watershed of northwestern Ohio. Possible sources of fecal bacteria in typical agricultural watersheds are discharges from home septic systems and small wastewater treatment plants, runoff from small- and large-scale livestock operations, and pet and wildlife feces. As part of the research, samples from potential fecal contamination sources and selected Portage River Watershed sites will be collected and analyzed for the presence of unique DNA markers. More information about this research (85 KB .pdf) and information about microbial source tracking are available.  

10th Annual Earth Science Week – October 14-20, 2007.

10/05/2007 -- “The Pulse of Earth Science” is the theme for this year’s Earth Science Week. The international event is sponsored by the American Geological Institute (AGI), USGS, and others to help the public gain a better understanding and appreciation for the earth sciences and to encourage stewardship of the Earth. Earth-science-related activities around Ohio include events at the Cuyahoga Valley National Park, Highbanks Metropark, Darby Creek Day at Batelle-Darby Metropark, the Ohio Statehouse, and several others. A comprehensive and still relevant guide of online USGS resources (13.5 MB .pdf) was published for last year’s event.
 

New Report Examines Factors Associated with Elevated Arsenic Concentrations.

08/21/2007 -- More than 800 wells in the glacial aquifer system of the Northern United States were sampled for arsenic as part of USGS National Water-Quality Assessment (NAWQA) studies during 1991–2003. Arsenic, which is detrimental to human health, is relatively abundant in nature and was detected in 39 percent of the NAWQA water samples. Elevated arsenic concentrations (greater than or equal to the 2006 USEPA  arsenic standard of 10 µg/L) were detected in 9 percent of samples. Domestic wells are not routinely tested for arsenic, so homeowners may not know whether their wells have elevated arsenic concentrations.  A new report assesses the relative significance of geochemistry, ground-water age, depth, and other water-quality constituents as indicators of elevated arsenic. Arsenic and redox (oxidation-reduction) conditions are compared among four broad geographic areas of the glacial aquifer system. The findings are related to an existing conceptual model for arsenic occurrence in ground water. 

500-year Flood of 2006 in Painesville, Ohio Documented in New Report.

07/10/2007 -- On July 27–28, 2006, storms left more than 11 inches of rain in parts of Lake County, Ohio, and resulted in the home evacuation of about 600 people. On July 28, the USGS streamgage at Grand River near Painesville recorded a peak streamflow of 35,000 cubic feet per second, which exceeds the 500-year flood statistic. A 500-year flood—the maximum for which the USGS computes statistics—is the peak streamflow that has only a 1 in 500 chance of being equaled or exceeded in any given year. A new report by scientists at the USGS Ohio Water Science Center and National Weather Service, Cleveland Office discusses the meteorological factors associated with the flood, along with a description of the flood–– including high-water marks, flood stages, streamflows, recurrence intervals, and flood damages. (more).

Ohio WSC Hosts Training for Citizen Lake-Monitoring Efforts.

06/19/2007 -- Renowned biologist Dr. Bob Carlson taught Ohio Lake Management Society (OLMS) board members, including OLMS President and Ohio WSC biologist Julie Hambrook Berkman in the use of the Secchi disk to measure the transparency of water. Water transparency, or how deep the light penetrates the water, is an indicator of water quality.  Trained board members will teach volunteer monitors around Ohio in this technique. Volunteers can take part in The Great North American Secchi Dip-In (June 23–July 15, 2007) as well as participate in OLMS’s Citizen Lake Awareness and Monitoring (CLAM) program. This year, CLAM volunteers will be collecting Secchi and temperature data to add information to the 19 lakes and reservoirs that Ohio EPA will be sampling as part of the USEPA’s National Lakes Survey for monitoring lake condition on a national level.

Microbial Source Tracking Efforts Recognized.

06/01/2007 -- When water is polluted above fecal indicator bacteria standards, somebody has to figure out the source of the contamination and fix it. The USGS is a leader in the validation and application of microbial source tracking tools, which are used to identify point and nonpoint sources of contamination. Common sources include the feces of cattle, chickens, and pigs, as well as manure used as fertilizer. Human waste is generally well controlled but sometimes, as with combined sewer overflows and malfunctioning septic systems, human waste can be a significant contamination source. Five recently published reports highlight the Ohio Water Microbiology Laboratory’s collaborations with regional, Federal, and academic partners.

One of these reports got special recognition from the American Society of Agronomy. In 2001, Plum Creek, Nebraska was named the most contaminated tributary to the middle reaches of the Platte River. The researchers used two fecal source-tracking tools to analyze contaminated water and stream-sediment samples in the Plum Creek watershed. (More...)

Research Looks At Exposure To Low Levels Of Pharmaceuticals.

National Drinking Water Week – May 6-12.

Newly Renovated Microbiology Web Site Available.

04/25/2007 -- The redesigned USGS Ohio Water Microbiology Laboratory (OWML) Web site is now available. Topics on the improved Web site include discussions of the analytical methods used and  the quality-assurance / quality-control (QA/QC) practices of the OWML. Current microbiology projects are described, and a list of OWML-authored publications for public health microbiology is provided. Three research topics are specifically discussed—beach monitoring research information is available now, and rapid-methods and source-tracking discussions are in development.  

Located in the Ohio Water Science Center, the OWML addresses water-related public-health concerns for Ohio and the rest of the Nation. The OWML works with government agencies, academic institutions, and other partners to study the quality of national, state, and local water resources. The OWML provides water-quality data on three major groups of microorganisms— protozoa, bacteria, and viruses.
 

Hydrologic Models Presented At National Surface-Water Conference.

Ohio’s Aquatic Biodiversity And Conservation Status Assessed In New Report.

National Ground Water Awareness Week – March 11-17, 2007.

Awesome Aquifers! Hydrologists Judge Two Science Olympiad Competitions.

02/27/2007 -- USGS scientists Sandra Eberts, Rodney Sheets (event supervisors), Sandy Coen, and Donna Runkle judged teams for the Ohio Science Olympiad  Awesome Aquifer competition at Columbus’ Ridgeview Middle School invitational tournament on February 10 and at the Grandview Heights Regional tournament on February 24. Awesome Aquifers is designed to increase middle school students' understanding of ground-water concepts such as the physical makeup of an aquifer, ground-water’s place in the hydrologic cycle, and changes to the ground-water system. The Immaculate Conception team won the Awesome Aquifiers invitational event.  Grandview Heights Middle School won the Awesome Aquifiers regional tournament event and 23-event competition and will proceed to the state Science Olympiad Tournament, to be held at The Ohio State University April 14, 2007 (schedule). Winners of the state tournament compete in the National Science Olympiad in Wichita, Kansas, May 18-19.

First Annual National Streamflow Summary Of 2006-Water Year.

01/17/2007 -- USGS released a new web site depicting summary streamflow conditions for water year 2006 (October 1, 2005 to September 30, 2006) in the context of the 77-year period 1930-2006. Data are from the USGS National Streamflow Information Program and show maps and charts of statewide ranks, regional patterns, seasonal characteristics, and record high and low flows. (more...)