Far be it from me to interject some fact here but this may be of some interest.
http://www.wtrg.com/prices.htm
Also note that oil closed Friday at 61.93 down 1.26 and the price of a gallon of unleaded gas gas down 3 cents at 2.22 per gal.both for delivery June 7th 07. You see as the price of fuel gets unreasonably high folks buy less fuel, demand goes down, supply goes up. This is also of some interest.
http://beginnersinvest.about.com/cs/...ommodities.htm.