Weekly sampling results from the distribution system at Cabot Preserve in Bedford, which obtains all of its water supply from Merrimack Village District. Units are parts-per-trillion.
Cabot Preserve
Date | PFOA | PFOS |
---|---|---|
3/8/19 | 9.88 | <1.80 |
2/4/19 | 11.60 | <2.02 |
1/2/19 | 16.50 | 1.96 |
12/27/18 | 18.40 | 2.60 |
12/16/18 | 18.85 | 2.24 |
12/11/18 | 17.50 | 2.02 |
12/4/18 | 19.60 | 2.19 |
11/27/18 | 21.20 | 2.26 |
11/20/18 | 20.20 | <1.84 |
11/6/18 | 21.80 | 1.92 |
10/16/18 | 21.00 | 3.10 |
10/9/18 | 21.90 | 2.07 |
10/02/18 | 18.50 | 1.93 |
9/25/18 | 18.40 | 1.80 |
9/19/18 | 22.4 | 4.14 |
9/11/18 | 23.50 | 2.71 |
9/4/18 | 21.30 | 2.64 |
8/28/18 | 29.2 | 3.82 |
8/20/18 | 21.30 | 2.44 |
8/14/18 | 20.40 | 2.09 |
8/7/18 | 17.00 | 2.01 |
7/31/18 | 16.1 | 1.89 |
7/24/18 | 18.8 | 2.13 |
7/17/18 | 17.6 | 2.55 |
7/10/18 | 17.7 | 2.75 |
6/26/18 | 18.0 | 2.52 |
6/20/18 | 18.6 | 2.48 |
6/14/18 | 18.3 | <1.72 |
6/5/2018 | 20.9 | 2.36 |
5/29/2018 | 13.8 | <1.72 |
5/22/2018 | 13.4 | <2 |
5/15/2018 | 10.8 | <1.78 |
5/08/2018 | 9.80 | <1.85 |
5/01/2018 | 11.6 | <1.78 |
4/24/2018 | 12.60 | <1.85 |
4/11/2018 | 13.8 | 1.86 |
4/3/2018 | 12.5 | <1.78 |
3/27/2018 | 14.1 | 2.18 |
3/20/2018 | 12.9 | 1.74 |
3/6/2018 | 12.9 | 1.74 |
2/27/2018 | 15.5 | 2.06 |
2/20/2018 | 14.6 | 2.26 |
2/13/2018 | 14.5 | 1.82 |
2/6/2018 | 13.3 | <1.85 |
1/30/2018 | 15.9 | <1.85 |
1/23/2018 | 16.3 | 2.3 |
1/16/2018 | 19 | 1.89 |
1/8/2018 | 18.3 | 1.98 |
1/2/2018 | 13.7 | 2.24 |
12/27/2017 | 15 | 2 |
12/19/2017 | 17.6 | <1.72 |
12/11/2017 | 16.4 | 2 |
12/4/2017 | 20.7 | 2.42 |
11/28/2017 | 21.9 | 2.45 |
11/21/2017 | 21.5 | 2.54 |
11/13/2017 | 21.4 | 1.99 |
11/7/2017 | 20.6 | 2.51 |
11/1/2017 | 21.1 | 2.14 |
10/24/2017 | 20.9 | 2.46 |
10/17/2017 | 19.8 | <1.85 |
10/10/2017 | 21.6 | 2.66 |
10/3/2017 | 16.9 | 2.05 |
9/26/2017 | 19.3 | 2.32 |
9/20/2017 | 13.6 | 2.21 |
9/12/2017 | 15.5 | 2.16 |
9/5/2017 | 15.3 | 1.86 |
8/29/2017 | 14.6 | 2.05 |
8/22/2017 | 14.4 | <1.92 |
8/15/2017 | 17.6 | 2.29 |
8/8/2017 | 17.6 | <1.92 |
8/1/2017 | 20.2 | 2.65 |
7/25/2017 | 19.7 | 2.39 |
7/18/2017 | 17.8 | 2.66 |
7/11/17 (DUP) | 17.4 | 2.28 |
7/11/2017 | 17.4 | <5 |
7/6/2017 | 17.9 | <5 |
6/27/2017 | 19 | <5 |
6/20/2017 | 21 | 4 |
6/13/2017 | 11 | <4 |
6/6/2017 | 13 | <4 |
6/1/2017 | 13 | <4 |
5/25/2017 | 14 | <4 |
5/16/2017 | 16 | <4 |
5/9/2017 | 17 | <4 |
5/2/2017 | 18 | <4 |
4/27/2017 | 17 | <4 |
4/17/2017 | 14 | <4 |
4/11/2017 | 13 | <4 |
4/4/2017 | 11 | <4 |
3/28/2017 | 12 | <4 |
3/21/2017 | 12 | <4 |
3/7/2017 | 11 | <4 |
2/28/2017 | 12 | <4 |
2/21/2017 | 11 | <4 |
2/16/2017 | 12 | <4 |
2/7/2017 | 15 | <4 |
1/31/2017 | 16 | <4 |
1/24/2017 | 16 | <4 |
1/17/2017 | 16 | <4 |
1/10/2017 | 16 | <4 |
1/3/2017 | 18 | <4 |
12/27/2016 | 19 | <4 |
12/20/2016 | 3 | <4 |
12/13/2016 | 18 | <4 |
12/6/2016 | 15 | <4 |
11/29/2016 | 16 | <4 |
11/22/2016 | 16 | <4 |
11/15/2016 | 24 | <4 |
11/9/2016 | 20 | <4 |
11/1/2016 | 21 | <4 |
10/25/2016 | 19 | <4 |
10/19/2016 | 21 | <4 |
10/12/2016 | 18 | <4 |
10/4/2016 | 16 | <4 |
9/27/2016 | 19 | <4 |
9/20/2016 | 15 | <4 |
9/13/2016 | 14 | <4 |
9/6/2016 | 17 | <4 |
8/30/2016 | 13 | <4 |
8/23/2016 | 17 | <4 |
8/16/2016 | 15 | <4 |
8/9/2016 | 15 | <4 |
8/2/2016 | 16 | <4 |
7/26/2016 | 14 | <4 |
7/12/2016 | 13 | <4 |
7/5/2016 | 10 | <4 |
6/28/2016 | 11 | <4 |
6/21/2016 | 12 | <4 |
6/15/2016 | 9 | <4 |
6/2/2016 | 12 | <4 |
5/25/2016 | 12 | <4 |
5/16/2016 | 11 | <4 |
5/11/2016 | 11 | <4 |
5/3/2016 | 14 | <4 |
4/26/2016 | 38 | <4 |
4/13/2016 | 52 | 8.1 |
4/6/2016 | 6.2 | <5 |
3/16/2016 | 36 | <4 |