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A Site-Scale Tool for Performance-Based Design of Stormwater Best Management Practices
Open AccessFeature PaperArticle

Quantifying the Effects of Residential Infill Redevelopment on Urban Stormwater Quality in Denver, Colorado

1
Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, USA
2
National Science Foundation Engineering Research Center, ReNUWIt, Golden, CO 80401, USA
3
Intergovernmental Hydrological Programme, UNESCO, 75007 Paris, France
4
Earth Systems Science Interdisciplinary Center, University of Maryland, College Park, MD 20740, USA
5
Goddard Space Flight Center, NASA, Beltsville, MD 20771, USA
6
Hydrologic Science and Engineering Program, Colorado School of Mines, Golden, CO 80401, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Miklas Scholz
Water 2021, 13(7), 988; https://doi.org/10.3390/w13070988
Received: 12 March 2021 / Revised: 30 March 2021 / Accepted: 30 March 2021 / Published: 3 April 2021
Stormwater quality in three urban watersheds in Denver that have been undergoing rapid infill redevelopment for about a decade was evaluated. Sampling was conducted over 18 months, considering 15 storms. Results: (1) The first-flush effect was observed for nutrients and total suspended solids (TSS) but not for total dissolved solids (TDS), conductivity, pH, and fecal indicator bacteria; (2) though no significant differences on event mean concentration (EMC) values were found among the three basins, local-scale EMCs were higher than traditional city-wide standards, particularly some metals and nutrients, most likely because of the significantly higher imperviousness of the studied urban basins compared to city averages; (3) peak rainfall intensity and total rainfall depth showed significant but weak correlations with some nutrients and metals, and TDS; (4) antecedent dry period were not correlated with water quality, except for phosphorus and lead; (5) contrary to what was expected, total coliforms and Escherichia coli were not correlated with TSS; and (6) no significant correlations between water quality and land-use or zoning categories were found. It was concluded that locally focused stormwater monitoring can aid data-driven decision-making by city planners where redevelopment is occurring at local “neighborhood scales”, particularly for the implementation and management related to green infrastructure and water-quality regulations. View Full-Text
Keywords: urban runoff; semi-arid climate; wet-weather events; pollutants; imperviousness urban runoff; semi-arid climate; wet-weather events; pollutants; imperviousness
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MDPI and ACS Style

Gustafson, K.R.; Garcia-Chevesich, P.A.; Slinski, K.M.; Sharp, J.O.; McCray, J.E. Quantifying the Effects of Residential Infill Redevelopment on Urban Stormwater Quality in Denver, Colorado. Water 2021, 13, 988. https://doi.org/10.3390/w13070988

AMA Style

Gustafson KR, Garcia-Chevesich PA, Slinski KM, Sharp JO, McCray JE. Quantifying the Effects of Residential Infill Redevelopment on Urban Stormwater Quality in Denver, Colorado. Water. 2021; 13(7):988. https://doi.org/10.3390/w13070988

Chicago/Turabian Style

Gustafson, Kyle R.; Garcia-Chevesich, Pablo A.; Slinski, Kimberly M.; Sharp, Jonathan O.; McCray, John E. 2021. "Quantifying the Effects of Residential Infill Redevelopment on Urban Stormwater Quality in Denver, Colorado" Water 13, no. 7: 988. https://doi.org/10.3390/w13070988

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