375 Cedarcrest Drive, Duncansville, PA
An area primed for a wide range of small stormwater BMPs, probably an ideal site for design phasing and continued enhancement that would be an educational showcase for local firms and municipalities. Future “stormwater tour” stop.
Blair Township is the land-owner and partner for this project. The Township is 13.7 square miles. The Township is governed by a Board of Supervisors and has a Planning Commission; both entities meet monthly at the municipal building.
Township ordinances are on their website. Designs are expected to comply with the base standards and provisions from ordinances; however, the Township’s engineer does not believe any of the ordinances will be particularly applicable. As this site is on the Township’s property, fees are not applicable.
The Township’s Comprehensive Plan was completed in 1978.
The Township is willing to provide small excavation equipment and staff during the construction phase as feasible and based on staff and equipment availability.
Site Ownership: Public
Site Users: Municipal staff; people making sewer authority payments
Site Size (approx): 0.9 acres
Percent Impervious: 30%
Potential opportunities: Downspout disconnect, stream restoration, expanding riparian buffer, pervious pavers, bioretention, beautification, roof water reuse
Existing Site Features
The Township’s Municipal Building Site abuts the Blair Township Water & Sewer Authority and includes connective roadway access. Existing vehicular flow needs to be maintained. Parking is limited and number of spaces need to be maintained. Runoff from the Authority’s impervious surfaces that conveys to the Township’s should be managed. All controls must be sited on the Township’s property.
The Township and Authority each separately perform or contract to perform operation and maintenance of their buildings and landscapes. This includes separate winter operations for snow removal and application of anti- and de-icing.
The site has 3 distinct pervious areas: turf grass out front, trees and turf along the left-side upon entering driveway, and a narrow turf area along back with abuts the stream. The tree-lined area is the largest; however, it is the most upland and receives little site runoff and serves as a break area with picnic tables. This outdoor use should be maintained or enhanced.
The 2007 Beaverdam Branch Watershed TMDL established waste load reductions for metals (Iron and Aluminum) for urban runoff/storm sewers and combined sewer overflows (CSOs). The Center for Watershed Protection conducted watershed site reconnaissance to priority stormwater projects for meeting loading reductions mandated by the TMDL. The Township’s property along the creek was identified as candidate for stream bank stabilization. The stream is not well buffered and in close proximity to the Municipal Building. Designs are not required to include a stream bank stabilization component; however, proposed designs should address any environmental issue on site (which includes lack of buffer, bank cut and bank failing along the Township’s property along the stream). Designs must not preclude stream stabilization at this site if the design submitted will not address the site’s environmental issues.
Floodplain Designation: X (Area of minimal flood hazard)
Soil on-site (SSURGO): 44% EdD: Edom silty clay loan, 15-25% slopes; 56% WvB: Wharton variant silt loam, 3-8% slopes
Geological Formations: Bloomsburg and Mifflintown
Dominant Rock Type: Shale
Other Rock Types: Siltstone, Sandstone, Limestone, Mudstone
Uphill and across the street is the culturally significant Holliday and Jackson Burial Grounds where the founding fathers of Hollidaysburg were laid to rest. Hollidaysburg was first settled in 1768 and was the largest and most important town between Harrisburg and Pittsburgh in the mid 1800s.
Walkscore.com: 15 (Car-Dependent: Almost all errands require a car).
2010 Census Block Group: 011100-3
- Population: 2,513
- House units: 1,013
- Race: 96.5% white, 1.1% Hispanic, 0.3% Black, 1.9% Asians, 1.4% Other
- Median Household Income: $77,969
- Land Area: 3.63 square miles
- Pop density: 692/sq mile
Proximity to closest school: Penn Mont Academy (0.9 miles)