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576 - 600 of 678 Items << < 19 20 21 22 23 24 25 26 27 28 > >>
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Extensive data from O'ahu indicate that all streams on this island consistently exceed the USEPA standards (200 fecal coliform/100 ml, 33 enterococci/100 ml) for water quality. Soil was determined to be the source of the elevated counts of these...
2012-03-15
2012-03-15 2005-08-01 |
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Comprehensive limnological, water quality, productivity and substrata investigations have been made of the Coeur d'Alene drainage, Coeur d'Alene Lake and the Spokane River. These investigations were made in an attempt to answer questions as to the...
1975-08-01
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The coordinated operation of Heron, El Vado, and Abiquiu Dams on the Rio Chama and Cochiti Dam on the Rio Grande and the importation of Colorado River Basin water by the San Juan-Chama Project have altered streamflow and water quality of the Rio...
2024-05-17
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A talk to be given by Dr. Thomas R. Walenta, Bovay Engineers, and Report Consultant to the Puget Sound Task Force at a Ground Water Symposium presented by the American Water Resources Association in San Francisco on November 6, 1967. Topics...
1967-11-06
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A computerized information storage and retrieval system has been developed for water quality data collected and maintained by the Department of Health, State of Hawaii, from 1955 through 1971. The system provides for safe, permanent, storage and...
2010-10-04
2010-10-04 1974-05-01 |
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ABSTRACT The U.S. Geological Survey, in cooperation with Okanogan County, investigated the hydrogeology of the unconsolidated sedimentary deposits in the Methow River Basin, the quality of surface and ground waters, and the exchanges between...
2024-05-17
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This report presents ground-water data collected and compiled as part of a study of the ground-water resources of the Willamette River Basin, Oregon. The report includes tabulated information and a location map for 1,234 fieldlocated water wells...
1999-05-17
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This report presents the results of a study by the U.S. Geological Survey, done in cooperation with the Oregon Department of Transportation (ODOT), to evaluate the effects of the highway deicing material, calcium magnesium acetate (CMA), on the...
2024-05-17
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Logistic regression was used to relate anthropogenic and natural factors to the occurrence of elevated nitrate concentrations in the Columbia Basin GWMA and develop models that predict the probability that nitrate concentrations in ground water...
2024-05-17
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This statement pertains to the proposal to establish zones of mixing in Honolulu Harbor and Kapalama Canal, Oahu. It is our understanding that the proposed zones of mixing in Honolulu Harbor and Kapalama Canal are the first to be formally...
2008-10-10
2008-10-10 1970-06-01 |
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A review of the modem watershed management movement in the West focusing on the role that state governments play in watershed initiatives (quoted and paraphrased from document).
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The Hawaii Environmental Simulation Laboratory (HESL), since its establishment in the spring of 1971, has attempted to simulate some of the consequences of alternative land-use economic decisions which include, as one of its major parameters, the...
2008-07-17
2008-07-17 1977-02-01 |
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A Professional Project submitted in partial fulfillment of the requirements for the degree of Masters of Water Resources, University of New Mexico.
2007-03-26
2007-03-26 2007-03-26 |
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Analysis and development of carbonate-bicarbonate chemical subroutine.
1982-06-28
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This datasheet contains water quality data (temperature, conductivity, pH, chlorophyll a, turbidity, dissolved oxygen and pressure) collected from areas within the Yolo Bypass and Sacramento River in 2019 and 2020. Water quality analysis was...
2021-01-01
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Map showing area sewers and watershed boundaries.
1997-02-20
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The collection contains general
correspondence, research materials, and writings created and/or collected by
Concerned Citizens for a Quality Environment chairman Gail L. Owen, who was
concerned about the proposed expansion of the...
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The environmental spread of antibiotics and antibiotic resistance genes (ARGs) from the land application of livestock wastes can be a potential public health threat. The objective of this study was to assess the effects of setback distance, which...
2020-01-01
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This report covers water quality data collected by the University of Idaho at Kanaka and Boulder Rapids located in the Middle Snake River. The Middle Snake River flows through an incised canyon from Milner Dam to King Hill. The present location...
1992-10-01
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Monitored and simulated economic-ecological impacts from nonpoint source pollution were studied in the Tom Beall Creek watershed along Lapwai, Creek in northern Idaho. Alternative farm practices including riparian vegetation management were...
1990-01-01
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Excess water from various landscape activities in the Lower Rio Grande Valley are drained through the Arroyo Colorado eventually emptying into the lower Laguna Madre. The Laguna Atascosa National Wildlife Refuge and several county and city parks...
2020-09-02
2020-09-02 2012-06-05 |
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Great Salt Lake (Utah) has a monimolimnion with high concentrations of salts, particulate matter, nutrients, and mercury. To test the importance of brine shrimp (Artemia franciscana) grazing on particulate matter flux, we created salinity...
2017-05-20
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2009-12-08
2009-12-08 1998-01-01 2009-12-08 |
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To assess attenuation rates under conditions encountered in such systems, samples from the Trinity River were analyzed for a suite of wastewater-derived contaminants during a period when wastewater effluent accounted for nearly the entire flow of...
2006-09-09
2008-11-18 2008-11-18 2006-09-09 2008-11-18 |
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Physical, chemical, and biological data were collected between 1990 and 1992 as part of a detailed study by the U.S. Department of the Interior of the effects of irrigation drainage on aquatic resources in the Klamath Basin of California and...
1994-05-17
2005-03-07 2005-03-07 |
