Potential Groundwater Contamination from Intentional and Nonintentional Stormwater Infiltration
Reviews the groundwater contamination literature as it relates to stormwater. Potential problem pollutants were ident ified, based on their mobility through the unsaturated soil zone above groundwater, their abundance in stormwater, and their treatability before discharge. Possible pollutants were then identified. Includes recommendations for stormwater infiltration guidelines.
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Abstract adsorption agricultural alachlor anthracene associated atrazine bacteria benzo Bouwer chemical Chlordane chloride Crites detected detention ponds diazinon dissolved effects effluent Environmental Protection Agency fecal coliform fertilizer Filtered Fraction Florida Floridan aquifer flow fluoranthene ground water groundwater quality groundwater recharge heavy metals industrial infiltration devices injection irrigation Irrigation and Drainage Journal of Irrigation leaching mg/kg rat mg/L mobility monitored naphthalene ng/L nitrate nitrogen Organic Carbon organic compounds PAHs particulate pathogens Pentachlorophenol percent percolation pesticides phenol phosphorus phthalate Pitt and Barron pollutants pyrene recharge basins recharge water reclaimed water reduced removal residential reuse runoff samples Salmonella salts sediment selenium sewage sludge soil soluble sorption source areas storm stormwater stormwater runoff stormwater samples subsurface swales toxic treatment U.S. Environmental Protection U.S. Geological Survey urban runoff vadose zone Verschueren 1983 virus viruses volatilization wastewater water quality Water Resources York zinc
Page 133 - Chlorination of the injectant to 2.5 milligrams per liter suppressed microbial growth to the extent that it did not contribute significantly to head buildup during injection. In the absence of chlorine, microbial growth caused extensive well clogging in a zone immediately adjacent to the well screen. During a...
Page 155 - ... which will demonstrate a new or improved method, approach, or technology for providing a dependably safe supply of drinking water to the public; and (2) assisting in the development and demonstration (including construction) of any project which will investigate and demonstrate health and conservation implications involved in the reclamation, recycling, and reuse of wastewaters for drinking and the processes and methods for the preparation of safe and acceptable drinking water.
Page 4 - The slow-release fertilizers include urea formaldehyde (UF), méthylène urea, isobutylidene diurea (IBDU), and sulfurcoated urea. Residual nitrate concentrations are highly variable in soil, due to soil texture, mineralization, rainfall and irrigation patterns, organic matter content, crop yield, nitrogen fertilizer/sludge rate, denitrification, and soil compaction. Nitrate is highly soluble (>1 kg/L) and will stay in solution in the percolation water, after leaving the root zone, until it reaches...
Page 126 - ABSTRACT: The time it takes for deep percolation water from irrigated fields to reach underlying groundwater increases with decreasing particle size of the vadose zone material and the increasing depth to groundwater. For average deep percolation rates, decades may be required before the water joins the groundwater. Due to nonuniform irrigation applications and preferential flow, some deep percolation water will reach the groundwater much faster. Dissolved salts, nitrate, and...