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A Case Study: EPA’s Permeable Pavement Parking Lot Amy Rowe Rutgers Cooperative Extension Michael Borst, Tom O’Connor, Emilie Stander U.S. Environmental Protection Agency
A Case Study:EPA’s Permeable Pavement Parking Lot
Amy RoweRutgers Cooperative Extension
Michael Borst, Tom O’Connor, Emilie StanderU.S. Environmental Protection Agency
Research and Demonstration Site at theEdison Environmental Center
• Side‐by‐side testing of three permeable parking surfaces
• Evaluation of effect of hydraulic loading on rain garden hydrologic performance
• Continuous and event‐based sampling for water quantity and quality parameters
Site Map
Interlocking concrete pavers Pervious concrete Porous asphalt
Conventional asphalt
Rain gardens
Collection tanks
Buried distribution pipes Tree islands
Buried HDPE pipeBuried well/piezometers
Plan view
Permeable Pavement Profiles
* Courtesy of Morris Ritchie and Associates, 2009
Unlined Instrumentation
Porous surface
#2 stone
Native soil
Permeable geotextile
Depths vary by surface type
40 cm
HDPE pipe
15 cm
90 cm
60 cm
Thermistor TDR
Unlined Instrument Access
1” pipe 4” pipe
Porous surface
#2 stone
Native soil
Permeable geotextile
HDPE pipe
2” pipe
Depths vary by surface type
15 cm
60 cm
40 cm
Lined sections
Interlocking Concrete Pavers
Pervious Concrete
Porous Asphalt
Demonstration
Monitoring
Monitoring Objective Parameters Measured
Hydrologic performance Volume, exfiltration rate
Water quality performance
Solids, indicator organisms, metals, nutrients, semi‐volatile organic compounds
Urban heat island effects Net radiation, infrared radiation, temperature
Maintenance effects Surface infiltration rate, visual assessment
Use Car counter, visual assessment
Infiltrating water parameters Water depth, redox, pH, conductivity, chloride
More Information
• Amy Rowe [email protected] (973)287‐6360
• Website: http://www.epa.gov/region02/sustainability/parking/
• Fact sheet: http://www.epa.gov/nrmrl/pubs/600f09038/600f09038.pdf
• Report: http://www.epa.gov/nrmrl/pubs/600r10083/600r10083.pdf
• Visit: Edison, NJ
Mike Borst [email protected] (732)321‐6631
Tom O’Connor [email protected] (732)321‐6723
