PA	year	Samples	Detects	year	DF	Moving average (5-year period)
Early Mesozoic Aquifers	1994	1		1994		
Early Mesozoic Aquifers	1995	1		1995		
Early Mesozoic Aquifers	1997	19	1	1997	5.3	
Early Mesozoic Aquifers	1998	19	1	1998	5.3	
Early Mesozoic Aquifers	1999	19	2	1999	10.5	6.2
Early Mesozoic Aquifers	2000	20	2	2000	10	5.2
Early Mesozoic Aquifers	2001	24	0	2001	0	5.4
Early Mesozoic Aquifers	2002	16	0	2002	0	7.2
Early Mesozoic Aquifers	2003	15	1	2003	6.7	8.3
Early Mesozoic Aquifers	2004	26	5	2004	19.2	
Early Mesozoic Aquifers	2005	13	2	2005	15.4	
Early Mesozoic Aquifers	2006	1		2006		
Glacial Aquifer System	1993	1		1993		
Glacial Aquifer System	1994	4		1994		
Glacial Aquifer System	1995	10	0	1995	0	
Glacial Aquifer System	1996	12	0	1996	0	
Glacial Aquifer System	1997	11	1	1997	9.1	3.8
Glacial Aquifer System	1998	21	1	1998	4.8	6.2
Glacial Aquifer System	1999	19	1	1999	5.3	9.3
Glacial Aquifer System	2000	17	2	2000	11.8	10.0
Glacial Aquifer System	2001	19	3	2001	15.8	13.5
Glacial Aquifer System	2002	16	2	2002	12.5	16.0
Glacial Aquifer System	2003	9	2	2003	22.2	16.5
Glacial Aquifer System	2004	17	3	2004	17.6	
Glacial Aquifer System	2005	14	2	2005	14.3	
Glacial Aquifer System	2006	2		2006		
New England Crystalline-rock Aquifers	1993	15	0	1993	0	
New England Crystalline-rock Aquifers	1994	14	0	1994	0	
New England Crystalline-rock Aquifers	1995	19	0	1995	0	4.8
New England Crystalline-rock Aquifers	1996	19	1	1996	5.3	8.4
New England Crystalline-rock Aquifers	1997	16	3	1997	18.8	13.2
New England Crystalline-rock Aquifers	1998	11	2	1998	18.2	19.9
New England Crystalline-rock Aquifers	1999	21	5	1999	23.8	24.5
New England Crystalline-rock Aquifers	2000	15	5	2000	33.3	26.9
New England Crystalline-rock Aquifers	2001	14	4	2001	28.6	28.6
New England Crystalline-rock Aquifers	2002	13	4	2002	30.8	27.6
New England Crystalline-rock Aquifers	2003	15	4	2003	26.7	25.2
New England Crystalline-rock Aquifers	2004	16	3	2004	18.8	23.3
New England Crystalline-rock Aquifers	2005	14	3	2005	21.4	
New England Crystalline-rock Aquifers	2006	16	3	2006	18.8	
North Atlantic Coastal Plain Aquifer System	1995	4		1995		
North Atlantic Coastal Plain Aquifer System	1997	7		1997		
North Atlantic Coastal Plain Aquifer System	1998	21	0	1998	0	
North Atlantic Coastal Plain Aquifer System	1999	14	1	1999	7.1	
North Atlantic Coastal Plain Aquifer System	2000	14	1	2000	7.1	6.2
North Atlantic Coastal Plain Aquifer System	2001	18	2	2001	11.1	8.4
North Atlantic Coastal Plain Aquifer System	2002	18	1	2002	5.6	9.5
North Atlantic Coastal Plain Aquifer System	2003	18	2	2003	11.1	12.7
North Atlantic Coastal Plain Aquifer System	2004	24	3	2004	12.5	
North Atlantic Coastal Plain Aquifer System	2005	13	3	2005	23.1	
Piedmont and Blue Ridge Crystalline-rock Aquifers	1997	10	0	1997	0	
Piedmont and Blue Ridge Crystalline-rock Aquifers	1998	24	3	1998	12.5	
Piedmont and Blue Ridge Crystalline-rock Aquifers	1999	22	4	1999	18.2	13.5
Piedmont and Blue Ridge Crystalline-rock Aquifers	2000	23	3	2000	13.0	18.8
Piedmont and Blue Ridge Crystalline-rock Aquifers	2001	25	6	2001	24.0	22.6
Piedmont and Blue Ridge Crystalline-rock Aquifers	2002	19	5	2002	26.3	24.3
Piedmont and Blue Ridge Crystalline-rock Aquifers	2003	16	5	2003	31.3	28.4
Piedmont and Blue Ridge Crystalline-rock Aquifers	2004	26	7	2004	26.9	
Piedmont and Blue Ridge Crystalline-rock Aquifers	2005	12	4	2005	33.3	
