Not only does the drilling process impact the community and environment while it is in process, but it also has long term effects on the surrounding communities and properties.
While the time to drill a single well is approximately 6-8 weeks, once it is complete it requires a significant amount of infrastructure to pump and filter the gas that it produces.
The more wells that are located in a given area, the more pumping stations that will be required. These pumping stations will be in use 24 hours a day for as long as the wells in that area are producing. Which can be upwards of 20 years.
The following is an article from the PG about the long term noise and air pollution from having compressors and pumping station in Hickory, PA:
http://www.post-gazette.com/pg/10073/1042737-58.stm
Another potential issue to the drilling process is their seismic impact. Do drilling operations, which break apart a geologic layer of rock, cause earthquakes? What happens in the long term when layers of rock on top of the shale formation shift and settle?
http://www.usatoday.com/tech/science/2009-06-15-drilling-earthquake_N.htm
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