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The County has not calculated the annual rate of change of impervious increase in the County. The County has not compared the impervious rate change from other counties. Impervious rates of change amongst counties would be dependent on the new and redevelopment projects conducted annually. This information is not readily available.
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Currently, DPW&T plans and programs stormwater infrastructure projects based upon the severity of localized flooding issues.
DPW&T has Pavement Assessment Management System (PAMS) to evaluate asphalt condition. PAMS is based on a pavement condition index (PCI) rating, which is measured from 0 to 100 (worst to excellent).
The State operates three (3) air monitoring stations in the County. The nearest monitoring station (to the Ft. Washington) area is at the Prince George’s Equestrian Center in Upper Marlboro.
The remaining service life on roadway pavements varies significantly. Please see the PAMS web-map for the entire County. This application provides the assessed pavement condition on each section of County-maintained roadway in the Tantallon neighborhood. Click on this link to access: https://princegeorges.maps.arcgis.com/apps/webappviewer/index.html?id=b94b91ba595148edac49ae294926d61c
Beyond standard pavement mill and overlay treatments, DPW&T utilizes pavement preservation techniques to extend the life of pavement, such as crack sealing, base pavement repair and a variety of slurry seal coat and micro surfacing applications.