Water Testing Results
Summer 2002

Merrimack and Souhegan Rivers
E-Coli Bacteria in Colonies per 100 ml. of Sample

Bacteria levels below 88 colonies per 100 ml. are considered safe for public swimming areas. Therefore levels above 88 colonies per 100 ml. are colored in red.
Water Sampling Dates
Location 6/11/02 6/25/02 7/9/02 7/23/02 8/6/02 8/20/02 9/3/02 9/17/02

Souhegan River Sites
New Ipswich
River Road above Water Loom Pond
2 26 15 48 28 20 32 76
New Ipswich
Highbridge
32 40 4 N/A 42 32 52 N/A
Greenville
Above Greenville Mill Pond
20 50 64 6 0 40 70 0
Greenville
Downtown Greenville upstream of WWTP
40 60 4 40 N/A 24 2 16
Greenville
Green Bridge below Greenville WWTP
<1 36 184 124 0 72 2 360
Wilton
Below the Horseshoe
33 32 84 28 84 124 48 N/A
Wilton
Downtown
<1 130 2 <1 >320 N/A 410 96
Milford
Pine Valley Mill
6 96 176 206 120 86 100 >800
Milford
Behind Hayward Field
100 113 93 93 100 N/A N/A N/A
Milford
American Stage Festival
130 126 113 146 140 100 846 280
Milford
Swing Bridge
60 160 146 193 226 146 313 760
Milford
Behind Riverside Cemetery
70 160 173 126 100 133 193 786
Milford
Behind Lorden Plaza
120 173 146 120 180 N/A 180 586
Amherst
Amherst Country Club
4 120 108 156 132 120 25 246
Amherst
Conservation land on Fairway Road
170 166 153 186 150 210 N/A 270
Amherst
Boston Post Road Canoeport
73 150 120 245 226 253 200 260
Merrimack
Indian Ledges, Davidson Road
4 72 2 <1 0 1 0 0
Merrimack
Turkey Hill Bridge
6 110 <1 <1 0 0 N/A 0
Merrimack
East Chamberlain Rd.
N/A N/A N/A N/A N/A N/A N/A N/A
Lyndeborough
Purgatory and Curtis Brook
N/A N/A N/A N/A 4 N/A N/A N/A


Merrimack River Sites

Manchester
Above Amoskeag Dam
<1 30 <1 2 0 0 0 4
Manchester
Arms Park
2 34 <1 8 3 1 50 2
Manchester
Upstream of Piscataquag River
N/A N/A N/A 4 6 0 16 10
Litchfield
Goffs Falls
N/A 42 <1 <1 0 0 16 0
Merrimack
Depot Street
N/A N/A 148 120 0 22 30 750
Merrimack
Upstream of Souhegan River
<1 N/A <1 <1 0 0 4 N/A
Merrimack
Thornton's Ferry
130 112 40 60 46 10 40 >800
Nashua
Greeley Park
16 76 40 20 6 15 N/A N/A
Nashua
Taylors Falls Bridge
50 88 68 32 36 36 28 104
Nashua
Sagamore Bridge
80 144 200 40 40 N/A 140 310
Hudson
Sanders Parking Lot
50 160 30 8 8 N/A 68 >800
Tyngsboro
Upstream of Tyngsboro Bridge
N/A N/A N/A N/A N/A N/A N/A N/A

Notes:

 


Return to main testing results page.

Last modifed: 9/19/02 11:20 PM

Number of visitors since 6/18/02: