Water quality in the Great and Little Miami River Basins, Ohio and Indiana, 1999-2001

Rowe, Gary L.; Reutter, David C.; Runkle, D.L.; Hambrook, Julie A.; Janosy, Stephanie D.; Hwang, Lee H.

doi:10.3133/cir1229

Cited by 12 publications

(9 citation statements)

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“…(72,73) Groundwater can be an important source of pesticides to streams, particularly during dry periods when the proportion of streamflow composed of groundwater discharge is at its maximum; this can lead to the exposure of aquatic organisms to potentially harmful levels of pesticides. (24,74) Although pesticides are detected frequently in the glacial aquifer system, they are nearly always measured at concentrations well below human-health benchmarks. The pesticides atrazine (and its degradate deethylatrazine), metolachlor, simazine, prometon, and bentazon were among the pesticides detected most frequently in groundwater, but fewer than 5 percent of samples contained one of these compounds at a concentration above the common assessment level of 0.2 µg/L -a level that is many times lower than any human-health benchmark.…”

Section: Chloride In Groundwater Affects Concentrations Of Chloride Imentioning

confidence: 99%

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The quality of our Nation's waters: water quality in the glacial aquifer system, northern United States, 1993-2009

Warner¹,

Ayotte²

2015

Circular

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov or call 1-888-ASK-USGS.For an overview of USGS information products, including maps, imagery, and publications, visit http: //www.usgs.gov/pubprod To order this and other USGS information products, visit http://store.usgs.gov Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner.Suggested citation: Warner, K.L., and Ayotte, J.D., 2014, The quality of our Nation's waters -Water quality in the glacial aquifer system, northern United States, 1993-2009: U.S. Geological Survey Circular 1352. Library of Congress Cataloging-in-Publication DataWarner, Kelly L. The quality of our nation's waters---water quality in the glacial aquifer system, northern United States, 1993States, -2009 ForewordThe United States has made major investments in assessing, managing, regulating, and conserving natural resources, such as water and a variety of ecosystems. Sustaining the quality of the Nation's water resources and the health of our diverse ecosystems depends on the availability of sound water-resources data and information to develop effective, science-based policies. Effective management of water resources also brings more certainty and efficiency to important economic sectors. Taken together, these actions lead to immediate and long-term economic, social, and environmental benefits that make a difference to the lives of millions of people ( http://water.usgs.gov/nawqa/applications/ ).Two decades ago, Congress established the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program to meet this need. Since then NAWQA has served as a primary source of nationally consistent information on the quality of the Nation's streams and groundwater, on ways in which water quality changes over time, and on the natural features and human activities affecting the quality of streams and groundwater. Objective and reliable data, systematic scientific studies, and models are used to characterize where, when, and why the Nation's water quality is degradedand what can be done to improve and protect the water for human and ecosystem needs. This information is critical to our future because the Nation faces an increasingly complex and growing need for clean water to support people, economic growth, and healthy ecosystems. For example, NAWQA findings for public-supply wells, which provide water to about 105 million people, showed that 22 percent of source-water samples contained at least one contaminant at levels of potential health concern. Similarly, 23 percent of samples from domestic (or privately owned) wells, which supply untreated water to an additional...

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Section: Chloride In Groundwater Affects Concentrations Of Chloride Imentioning

confidence: 99%

“…However, dissolved contaminants, such as pesticides, can be captured by the supply wells. (24,89) Public-supply wells near streams are common in the glacial aquifer system. Pesticides are more likely to be detected in publicsupply wells near streams than in wells further from streams.…”

Section: Samples From High-yield Wells Along the Great Miami River Inmentioning

confidence: 99%

The quality of our Nation's waters: water quality in the glacial aquifer system, northern United States, 1993-2009

Warner¹,

Ayotte²

2015

Circular

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“…Formerly ubiquitous small feedlots are disappearing, replaced by large indoor feeding operations in which waste products are collected and actively managed rather than deposited on the ground in high concentrations in feedlots where they can be readily transported by overland flow to streams. In some cases, this has resulted in large, episodic increases in waste loads to streams in the vicinity of feeding operations (Mallin and Cahoon, 2003; Rowe et al, 2004), but frequent and widespread feedlot runoff has been reduced. Much of the manure from concentrated feeding operations is being spread on fields, but many of those fields are now in conservation tillage and likely have higher infiltration rates and ability to absorb nutrients than the feedlots of past years.…”

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confidence: 99%

Water Quality Trends and Changing Agricultural Practices in a Midwest U.S. Watershed, 1994–2006

et al. 2008

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Sediment and nutrient concentrations in surface water in agricultural regions are strongly influenced by agricultural activities. In the Corn Belt, recent changes in farm management practices are likely to affect water quality, yet there are few data on these linkages at the landscape scale. We report on trends in concentrations of N as ammonium (NH(4)) and nitrate (NO(3)), soluble reactive phosphorus (SRP), and suspended sediment (SS) in three Corn Belt streams with drainage areas of 12 to 129 km(2) for 1994 through 2006. During this period, there has been an increase in conservation tillage, a decline in fertilizer use, and consolidation of animal feeding operations in our study watersheds and throughout the Corn Belt. We use an autoregressive moving average model to include the effects of discharge and season on concentrations, LOWESS plots, and analyses of changes in the relation between discharge and concentration. We found significant declines in mean monthly concentrations of NH(4) at all three streams over the 13-yr period, declines in SRP and SS in two of the three streams, and a decline in NO(3) in one stream. When trend coefficients are converted to percent per year and weighted by drainage, area changes in concentration are -8.5% for NH(4), -5.9% for SRP, -6.8% for SS, and -0.8% for NO(3). Trends in total N and P are strongly tied to trends in NO(3), SRP, and SS and indicate that total P is declining, whereas total N is not.

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“…These metals can then enter the food chain via uptake by plants and animals including man [4,[14][15][16]. Although many heavy metals at low concentrations have an essential role as nutrients for plants, animals and human health, some if present at higher quantities and in certain forms may also be toxic and can cause harm to life [17][18][19][20]. Copper (Cu) and zinc (Zn) provide clear examples, both being essential for normal metabolism and both can be toxic in high concentrations [21].…”

Section: Introductionmentioning

confidence: 99%

The environmental impact of gold mines: pollution by heavy metals

Abdul‐Wahab

Marikar

2012

Open Engineering

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Abstract:The gold mining plant of Oman was studied to assess the contribution of gold mining on the degree of heavy metals into different environmental media. Samples were collected from the gold mining plant area in tailings, stream waters, soils and crop plants. The collected samples were analyzed for 13 heavy metals including vanadium (V), chromium (Cr), manganese (Mn), nickel (Ni), copper (Cu), cadmium (Cd), cobalt (Co), lead (Pb), zinc (Zn), aluminium (Al), strontium (Sr), iron (Fe) and barium (Ba). The water in the acid evaporation pond showed a high concentration of Fe as well as residual quantities of Zn, V, and Al, whereas water from the citizens well showed concentrations of Al above those of Omani and WHO standards. The desert plant species growing closed to the gold pit indicated high concentrations of heavy metals (Mn, Al, Ni, Fe, Cr, and V), while the similar plant species used as a control indicated lesser concentrations of all heavy metals. The surface water (blue) indicated very high concentrations of copper and significant concentrations of Mn, Ni, Al, Fe, Zn, lead, Co and Cd. The results revealed that some of the toxic metals absorbed by plants indicated significant metal immobilization.

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Water quality in the Great and Little Miami River Basins, Ohio and Indiana, 1999-2001

Cited by 12 publications

References 0 publications

The quality of our Nation's waters: water quality in the glacial aquifer system, northern United States, 1993-2009

The quality of our Nation's waters: water quality in the glacial aquifer system, northern United States, 1993-2009

Water Quality Trends and Changing Agricultural Practices in a Midwest U.S. Watershed, 1994–2006

The environmental impact of gold mines: pollution by heavy metals

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