2012-436 DEAPR - Interlocal Agreement for Phase VII of the Triangle Area Water Supply Monitoring Project

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TRIANGLE AREA WATER SUPPLY MONITORING PROJECT INTERLOCAL AGREEMENT ATTACHMENT A SUMMARY OF TRIANGLE AREA WATER SUPPLY MONITORING PROJECT PARTNERSHIP,AUGUST 1988—JUNE 2012 Because of reliance on surface water for water supply and the potential impact of growth on the quality of the region's water supply sources, local governments in the region recognize that water quality monitoring is crucial to the protection of the Triangle Area's surface water resources. In 1988, a number of local governments in the six-county region, with assistance from the Triangle J Council of Governments, formed the Triangle Area Water Supply Monitoring Project to systematically evaluate the quality of several water supply sources in the region.With assistance from the US Geological Survey(USGS),the Project has collected and analyzed water quality samples from reservoirs and streams and collected continuous discharge record from streams in the study area for more than 15 years. These data, along with data collected by the North Carolina Division of Water Quality(DWQ) and with data collected as part of a program of the USGS, the US Army Corps of Engineers, and the City of Durham, form a long-term comprehensive data base on the quality of many of the area's water supply reservoirs and rivers, and selected tributaries to those water supplies. In the last 20 years, concerns about water quality of the area's water supplies and the impact of development on reservoir eutrophication and contaminant concentrations have remained prominent, although specific concerns have changed. Monitoring initially focused on determining the occurrence of synthetic organic compounds in the water column and bed sediments; later monitoring and interpretive efforts focused on nutrient and sediment loads and trends. Issues such as the occurrence of disinfection by-products,microbial pathogens,and pharmaceutical and personal care products have also been addressed. Phase I of the Project began with the execution of an interlocal agreement on August 18, 1988. At that time, the local government partners consisted of Chatham County, Orange County,the Town of Apex, the Town of Carrboro, the Town of Cary, the Town of Chapel Hill,the City of Durham,the Town of Hillsborough, the Town of Pittsboro,the City of Raleigh,the City of Sanford, and the Town of Smithfield. Phase I concluded in June 30, 1991. Phase 11 of the Project began on July 1, 1991 with the execution of an amendment to the original interlocal agreement. At that time,the local government partners consisted of Chatham County, Orange County,the Town of Apex,the Town of Carrboro, the Town of Cary,the Town of Chapel Hill,the City of Durham,the Town of Hillsborough,the City of Raleigh,the City of Sanford, and the Town of Smithfield. The Town of Pittsboro had left the Project after Phase 1. Phase 11 concluded in June 30, 1995. Phase III of the Project began on July 1, 1995 with the execution of an amendment to the original interlocal agreement. At that time,the local government partners consisted of Chatham County, Page 12 of 22