2007

These water systems currently obtain their water from the Town of Milford.  Milford's water supply consists of two gravel packed wells known as Curtis Wells.   Milford also has an inter-municipal connection with the Pennichuck Water Works distribution system.  During 2006 the Curtis Wells supplied 81.4% of the water needed and 18.6% was purchased from Pennichuck.
GREAT BROOK	FEDERAL HILL				BARTLETT COMMONS
EPA # 1561010
Radiological Contaminants	Units	MCLG	MCL	Level Detected	Range Detected	Year	Violation Yes/No	Typical Source of Contaminant
Combined Radium	pCi/L	0	5	0.3	n/a	2003	NO	Erosion of natural deposits
Radon	pCi/L	Not Regulated		1,000	n/a	2001	n/a	Erosion of natural deposits
Radon is a radioactive gas that you can't see, taste or smell.  It can move up through the ground and into a home through cracks and holes in the foundation.  Radon can also get into indoor air when released from tap water from showering, washing dishes, and other household activities.  It is a known human carcinogen.  Breathing radon can lead to lung cancer.  Drinking water containing radon may cause an increased risk of stomach cancer.  Presently EPA is reviewing a standard for radon in water.
Copper	Units	MCLG	AL	Average Level Detected	Range Detected	Year	Violation Yes/No	Typical Source of Contaminant
Copper	ppm	1.3	1.3	0.022	0.0 - 0.036	2006	NO	Corrosion of household plumbing system
Source Assessment Information
		Summary of Susceptibility Factors
Source Name	Date	Low	Med	High
Gravel Pack Well # 4	1/31/01	5	3	4
Gravel Pack Well # 5	1/31/01	5	3	4
The complete Assessment Report is available for inspection.  For more information visit NH DES's Drinking Water Source Assessment Program web site at www.des.state.nh.us/dwspp