Infiltration of stormwater from highway operations to reduce coastal pollution.
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2012-12-01
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NTL Classification:NTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENT
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Abstract:The coastal waters of Hawaii are extremely important for recreation as well as for the health of
the marine environment. Runoff from the construction and operation of highways can be a
source of pollution to coastal waters. Individual states in the US have established regulatory
programs to protect surface waters for their designated uses. Protecting near shore waters is
particularly important in the State of Hawaii where beach water quality is critical to the tourismbased
economy. Diffuse pollution from storm runoff is found to have a great impact on surface
water quality (Novotny, 1999; Kim et al., 2005). State and federal regulatory agencies are
increasing their efforts to quantify and control the sources of non-point source pollution. Limited
water quality monitoring data for storm runoff from the construction and operation of highway
H-3 on Oahu are available (Wong, 2005; Presley, 2001; Presley 2002; Young and Ball, 2004;
Young and Ball, 2005). Such data are not widely available for all areas of the state, although the
Hawaii Department of Health (HDOH) and the Clean Water Branch are trying to develop and
implement TMDLs for various streams. The current research was undertaken to obtain additional
data on storm runoff water quality.
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