Glossary beginning with P
terms for which definitions are available
- PA Act 167
Stormwater Management Act
- PADCNR
Pennsylvania Department of Conservation and Natural Resources
- PADEP
Pennsylvania Department of Environmental Protection
- peak discharge
the maximum rate of stormwater runoff from a specific storm event
- PEC
Pennsylvania Environmental Council
- PFBC
Pennsylvania Fish and Boat Commission
- phosphate
an oxidized form of phosphorus, which may be organic or inorganic; inorganic phosphates are generally more likely to be available as nutrients for biological growth
- pipe
a culvert, closed conduit, or similar structure (including appurtenances) that conveys stormwater
- point source
pollution discharged from a single point, defined in the Clean Water Act as “any discernable, confined and discrete conveyance, including but not limited to any pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container, rolling stock, concentrated animal feeding operation, vessel, or other floating craft from which pollutants are or may be discharged.”
- post-construction
period after construction during which disturbed areas are stabilized, stormwater controls are in place and functioning, and all proposed improvements in the approved land development plan are completed
- pre-construction
prior to commencing construction activities
- pretreatment
techniques employed in stormwater Best Management Practices to provide storage or filtering to trap coarse materials and other pollutants before they enter the system
- PWD
Philadelphia Water Department