The above coordinates are not the actual location.
100190.4 barrels of oil flow through the pipeline at a rate of 954591 cubic feet per minute. That's quite a few gallons. How many?
The cache is located on town (public) property. Under no circumstances should you need to enter private property to obtain the cache. Please use the parking lot.
Congrats to ~Marvalus for FTF.
Also see TrajNet.com.
You can check your answers for this puzzle on Geochecker.com.