| ew Hampshire's Great Bay, valued as one of 28 "estuaries of national significance", provides a host of economic, ecological, and social environmental services that are threatened by the deterioration of water quality and increased levels of nitrogen. The US Environmental Protection Agency has issued several National Pollutant Discharge Elimination System permits that mandate the reduction of point source pollution to the limits of technology. In order to meet the new strict permit limits, the aging built infrastructure must be updated, and the combined capital costs are about... |
