Board of Commissioners to discuss Tennessee Gas Pipeline Northeast Energy Direct (NED) project.
Jeff Marts, Emery and Garrett Groundwater Investigations, LLC (EGGI) noted that the proposed pipeline route crosses the Witches Brook Aquifer and goes through the Naticook Brook Aquifer. There will be some blasting needed to create the trench for the pipeline. He noted that the run-off water from fire suppression efforts in the event of a gas pipeline explosion and fire may contaminate groundwater. The possibility of a change of use (from natural gas to liquid petroleum hydrocarbons, i.e. gasoline or jet fuel) of this pipeline may cause concern for the District and the ratepayers. The proposed route is to the north side of the power line easements, just north of Hollis through Amherst. The District could lose the aquifer that supplies 50% of the water to the District in the event of serious groundwater contamination resulting from pipeline activities.
R. Miner noted that the proposed pipeline will be 36” in diameter.
T. Pellegrino questioned whether oil could be pumped through this pipeline after the gas. J. Marts noted that some pipelines are constructed to do this. He noted he is unsure about this particular pipeline. T. Pellegrino noted that there should be notification if different products are transported through this pipeline.
J. Marts noted that the proposed route cuts across the sand and gravel portion of the aquifers. He noted that it would be best to relocate the pipeline out of the Wellhead Protection Area for the Naticook Brook Aquifer (Wells #2 and #3).
T. Pellegrino questioned how much blasting would be needed. J. Marts noted that there would be blasting through the bedrock and trenching through the sand/gravel. He noted that the approval process takes about 1 year. There is a limited window of opportunity to present comments. He noted that if either well #2 or well #3 is lost the presence of this pipeline through the aquifer will cut down on the area available to drill a new well due to the 400’ radius from the pipeline to the wellhead.
R. Miner noted that technically there is no need to obtain an approval from the District to construct this pipeline.
J. Marts noted that the agencies involved are more likely to listen to arguments at this time in the process rather than later on as the route is more final.
L. Woods recommended that a letter go to the Federal Energy Regulatory Commission (FERC) before the middle of March. He noted that the opposition of the District should be added to the draft letter from R. Miner to FERC based on the opposition of J. Marts to the proposed route. September 2015 is the time for the formal filing at FERC. A letter should be sent to FERC stating the District’s opposition with the EGGI letter enclosed as an attachment. This project is not required to go through the NH Site Evaluation Committee; this project has not been presented to the state at this time.
R. Miner noted that there will be another meeting on this project at Hampshire Hill in Milford.
L. Woods noted that he has discovered in his discussions with interested parties that Tennessee Pipeline does not set up escrow accounts in advance, but they are dedicated to making things “whole”.
J. Marts noted that currently the District is in the information gathering stage. R. Miner noted that an archeological survey is also needed.
The consensus of the Board is that the Thompson letter and the FERC letter be sent with changes.
R. Miner noted he will send copies of these letters to the town and ask that they be put on the town’s website. |