BMP Monitoring Sites - Urban Drainage and Flood Control District
BMP Monitoring Sites - Urban Drainage and Flood Control District
BMP Monitoring Sites - Urban Drainage and Flood Control District
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UDFCD <strong>BMP</strong> MONITORING SITES<br />
Pervious Pavement<br />
PERVIOUS PAVEMENT<br />
Pervious pavements encompass a variety of stabilized surfaces that can be used<br />
for the movement <strong>and</strong> parking of vehicles <strong>and</strong> storage of materials <strong>and</strong><br />
equipment. It differs from conventional pavement: it is designed to infiltrate<br />
stormwater runoff instead of shedding it off the surface. Pervious pavement<br />
offers the advantage of decreasing the effective<br />
imperviousness of an urbanizing or redevelopment site,<br />
thereby reducing runoff <strong>and</strong> pollutant loads leaving the site.<br />
Pervious pavement can be designed with or without<br />
underdrains. Whenever underdrains are used, infiltrated<br />
water will behave similar to interflow <strong>and</strong> will surface at a<br />
much reduced rate over extended periods of time. All types<br />
of pervious pavements help to return stormwater runoff<br />
hydrology to more closely resemble pre-developed<br />
conditions. However, the actual consumptive use of water falling onto the ground<br />
is considerably less than under pre-developed conditions <strong>and</strong> for grass lawns in<br />
urban areas. Consult with a geotechnical engineer as to the suitability of<br />
each type of pervious pavement for the loads <strong>and</strong> traffic it will support <strong>and</strong> carry<br />
<strong>and</strong> the geologic conditions the pavement will rest upon.<br />
Pervious Pavements Monitored by <strong>District</strong>
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