|
|
Description |
Town |
River mile |
1/13/2009 |
2/10/2009 |
3/10/2009 |
4/14/2009 |
5/19/2009 |
6/16/2009 |
7/21/2009 |
8/18/2009 |
9/15/2009 |
10/20/2009 |
11/17/2009 |
12/15/2009 |
|
35CS |
Central Street Bridge |
Milford |
3.5 |
|
<10 |
20(a) |
<10 |
1050 |
613 |
2360 |
158 |
161 |
907(a) |
52 |
135 |
|
35CD (b) |
Discharge Pipe @ Central St |
Milford |
3.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
35C2 (b) |
2nd Discharge Pipe @ Central St |
Milford |
3.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
59CS |
Mellen St. Bridge |
Bellingham/Milford/
Hopedale |
5.9 |
229.5(a) |
285 |
74 |
74 |
836 |
408 |
235.5(a) |
282 |
228 |
1020 |
199 |
399 |
|
90CS |
Rt. 126, N. Main St. |
Bellingham |
9.0 |
63 |
155.5(a) |
|
31 |
31 |
86 |
24200 |
85 |
52 |
1100 |
172.5(a) |
292 |
|
130S |
Maple St. Bridge |
Bellingham |
12.9 |
20 |
20 |
31 |
<10 (a) |
|
|
354 |
41 |
63 |
209 |
143 |
74 |
|
165S |
Shaw St. Bridge |
Franklin/Medway |
16.5 |
<10 |
30 |
30 |
10 |
41(a) |
160 |
97 |
275 |
131 |
52 |
160 |
73 |
|
199S |
Populatic Pond Boat Launch |
Norfolk |
19.9 |
|
|
|
<10 |
31 |
97.5(a) |
31 |
41 |
85 |
|
187 |
|
|
229S |
Rt. 115, Baltimore St. |
Norfolk/Millis |
22.9 |
1310(a) |
1720 |
86 |
<10 |
63 |
122 |
47(a) |
135 |
63 |
95 |
161 |
839 |
|
267S |
Dwight St. Bridge |
Millis/Medfield |
26.7 |
657 |
898.5(a) |
20 |
<10 |
63 |
86 |
31 |
98(a) |
63 |
41 |
166 |
382 |
|
269T |
Causeway St. Stop River |
Medfield |
26.9 |
<10 |
<10 |
10 |
<10 (a) |
145 |
345 |
41 |
120 |
252.5(a) |
74 |
41 |
20 |
|
290S |
Old Bridge St. |
Medfield/Millis |
29.0 |
|
|
31 |
<10 |
30 |
241.5(a) |
41 |
98 |
31 |
104(a) |
199 |
426 |
|
318S |
Rt. 27 Bridge |
Medfield/Sherborn |
31.8 |
|
|
20 |
<10 |
52 (a) |
173 |
31 |
41 |
52 |
122 |
278 |
292 |
|
343S |
Farm Rd./Bridge St. |
Sherborn/Dover |
34.3 |
121 |
355 |
85 |
20 |
<10 |
148 |
31(a) |
41 |
74 |
459 |
218 |
133(a) |
|
387S |
Cheney Bridge |
Wellesley/Natick |
38.7 |
63 |
|
52 |
<10 |
41 |
86 |
160 |
|
74 |
85 |
201 |
120 |
|
400S |
Charles River Road Bridge |
Dover/Wellesley |
40.0 |
|
309 |
10 |
<10 |
41 |
122 |
41 |
52 |
85 |
86 |
238 |
73 |
|
447S |
Dover Gage |
Dover |
44.7 |
|
|
|
20 |
7270 |
160 |
31 |
134 |
173 |
269 |
213 |
|
|
484S |
Dedham Medical Center |
Dedham/Needham |
48.4 |
74 |
223 |
84 |
10 |
31 |
74 |
41 |
74 |
275 |
86 |
141(a) |
171 |
|
521S |
Ames St. Bridge |
Dedham |
52.1 |
10 |
|
15(a) |
10 |
31 |
185 |
20 |
63 |
201 |
52 |
134 |
121 |
|
534S |
Rt. 109 Bridge |
Dedham/Boston |
53.4 |
63 |
233 |
74 |
145 |
20 |
122 |
63 |
84 |
97 |
109 |
143 |
|
|
567S |
Nahanton Park |
Newton/Needham |
56.7 |
41 |
275 |
52 |
31 |
31 |
63 |
52 |
109 |
98 |
121 |
160 |
137.5(a) |
|
591S |
Rt. 9 Gauging Station |
Newton |
59.1 |
20(a) |
158 |
|
31 |
63 |
389 |
52 |
31 |
|
231 |
161 |
185 |
|
609S |
Washington St. Hunnewell Bridge |
Wellesley/Newton |
60.9 |
74 |
187 |
57(a) |
10 |
119 |
557 |
146 |
86 |
74 |
265 |
249 |
158 |
|
621S |
Leo J. Martin Golf Course/Park Rd. |
Weston/Newton |
62.1 |
105 |
103(a) |
97 |
31 |
|
1480 |
122 |
74 |
119 |
249 |
197 |
115(a) |
|
635S |
2391 Commonwealth Ave. |
Newton |
63.5 |
|
|
63 |
20 |
52 |
309 |
282 |
262 |
173 |
173 |
336 |
160 |
|
648S |
Lakes Region |
Waltham |
64.8 |
|
|
|
<10 |
46.5 (a) |
52 |
121 |
97 |
74 |
|
|
|
|
662S |
Moody St. Bridge |
Waltham |
66.2 |
63 |
41 |
|
31 |
31 |
662(a) |
63 |
|
107 |
355 |
216 |
199 |
|
675S |
North St. |
Waltham/Newton |
67.6 |
86 |
52 |
41 |
31 |
160 |
199 |
70(a) |
187 |
52 |
272 |
213 |
240 |
|
012S |
Watertown Dam Footbridge |
Watertown |
69.3 |
122 |
74 |
86 |
63 |
231 |
1310 |
146 |
193 |
104(a) |
262 |
327 |
183 |
|
700S |
N. Beacon St. |
Watertown/Brighton |
70.9 |
|
122 |
85 |
110 |
223 |
233 |
216 |
160.5(a) |
96 |
199 |
245(a) |
259 |
|
715S |
Arsenal St. |
Watertown/Brighton |
71.5 |
110 |
249.5(a) |
145 |
74 |
148 |
388 |
216 |
345 |
288 |
374 |
|
218 |
|
729S |
Eliot Bridge |
Cambridge/Boston |
72.9 |
|
|
135 |
122 |
|
199 |
218 |
233 |
278 |
876 |
345 |
272 |
|
743S |
Western Ave |
Cambridge/Boston |
74.3 |
|
|
393 |
134 |
63 |
84 |
41 |
73 |
233 |
1110 |
272 |
722(a) |
|
760T |
Muddy River at Comm. Ave. |
Boston |
76.0 |
|
|
1585(a) |
134 |
134 |
134 |
345 |
2490 |
335 |
1900(a) |
1520 |
311 |
|
763S |
Mass. Ave. at Harvard Bridge |
Boston/Cambridge |
76.3 |
|
|
594 |
208.5 (a) |
63 |
31 |
109 |
7.5(a) |
379 |
1020 |
789 |
749 |
|
773S |
Longfellow Bridge |
Boston/Cambridge |
77.3 |
|
|
382 |
238 |
63 |
63 |
146 |
<10 |
179(a) |
573 |
3080 |
749 |
|
784S |
New Charles River Dam |
Boston/Cambridge |
78.4 |
201 |
240 |
556 |
213 |
41(a) |
12.5(a) |
63 |
52 |
135 |
<10 |
1215(a) |
546 |
|
QA/QC Samples |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Equipment Blank |
|
|
<1 |
<1 |
<1 |
<1 |
<1 |
n/a (d) |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
| |
Site No. |
|
|
269T |
675S |
290S |
343S |
484S |
|
|
|
|
|
|
|
| |
Equipment Blank |
|
|
|
|
<1 |
<1 |
<1 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
| |
Site No. |
|
|
|
|
662S |
012S |
700S |
|
|
|
|
|
|
|
|
Rainfall At Logan International Airport (inches) |
|
|
|
|
|
|
|
|
|
|
|
|
| |
3 Days Prior to Sampling |
|
|
0.05 |
0.00 |
0.02 |
0.49 |
Trace |
Trace |
0.24 |
0.00 |
2.11 |
0.00 |
1.49 |
0.00 |
| |
2 Days Prior to Sampling |
|
|
0.35 |
0.00 |
0.00 |
0.00 |
0.13 |
0.20 |
0.00 |
0.00 |
0.00 |
0.93 |
0.09 |
0.73 |
| |
1 Day Prior
to Sampling
|
|
|
Trace |
0.00 |
0.54 |
0.00 |
Trace |
0.00 |
0.00 |
0.00 |
0.00 |
Trace |
0.00 |
0.00 |
| |
Day of Sampling |
|
|
0.02 |
0.00 |
0.01 |
0.00 |
0.00 |
Trace |
0.52 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
|
Samples are analyzed at MWRA Central Laboratory.
(a) Average of duplicates
(b) Sampling site currently suspended
(c) Rain fell after sampling event
(d) Samples are no longer collected using a decontaminated bucket. As of June 2009, samplers employ a weighted basket which allows sampling bottles to be filled directly from the river.
|