Merrimack Village District Water Works Test Results

PFOA/PFOS Sampling Results for Merrimack Village District Water Works
*MVD 7&8 TP –is a blend of MVD wells 7 and 8 after green sand treatment

Units are parts-per-trillion.

Spreadsheet of all Poly and Perfluoroalkyl Substances Sampling Results for the Merrimack Village District Wells

Well Name: MVD-2 MVD-3 MVD-4 (offline) MVD-5
(offline)
MVD-7 MVD-8 MVD-7&8 TP*
1/18/182 9/2 J 18/2 J Not Sampled Not Sampled 23/3 J 17/2J 22/2
12/13/172 17/2 13/2J Not Sampled Not Sampled 25/3J 17/2J 21/2
11/16/172 14/2J 18/2J Not Sampled Not Sampled 29/3J 21/2J 23/2J
10/25/172 9/1J 16/2J Not Sampled Not Sampled 26/4J 21/2J 26/2J
9/21/172 10/ND 16/2J Not Sampled Not Sampled 26/4J 19/2J 22/3J
8/24/172 11/ND 18/2J Not Sampled Not Sampled 28/4J 20/2J 26/3J
7/20/172 14/ND 20/2J Not Sampled Not Sampled 22/4J 17/2J 21/2J
6/22/172 11/ND 22/ND Not Sampled Not Sampled 21/3J 18/3J 21/3J
5/25/172 15/3J 16/2J Not Sampled Not Sampled 23/3J 17/ND 19/2J
4/19/172 18/3J 15/ND Not Sampled Not Sampled Lab Error Lab Error 14/ND
3/9/172 8/ND 20/ND Not Sampled Not Sampled 22/ND 16/ND 18/ND
2/9/171 12/ND 26/ND Not Sampled Not Sampled 30/ND 16/ND 22/ND
1/26/171 14/ND 25/ND Not Sampled Not Sampled 28/ND 18/ND 21/ND
1/12/171 15/ND 25/ND Not Sampled Not Sampled Lab Error 19/ND 24/ND
12/28/161 17/ND 29/ND Not Sampled Not Sampled 37/ND 25/ND 30/ND
12/15/161 11/ND 21/ND Not Sampled Not Sampled 21/ND 32/ND 23/ND
12/01/161 13/ND 22/ND Not Sampled Not Sampled 32/ND 23/ND 29/ND
11/16/161 15/ND 23/ND Not Sampled Not Sampled 38/4.6 22/ND 27/ND
11/10/161 13/ND 22/6.2 Not Sampled Not Sampled 32/ND 20/ND 24/ND
10/27/161 12/ND 25/5 Not Sampled Not Sampled 36/ND 29/ND 29/ND
10/13/161 13/ND 22/ND Not Sampled Not Sampled 32/ND 21/ND 26/ND
9/29/161 14/ND 19/ND Not Sampled Not Sampled 34/4.8 23/ND 30/ND
9/15/161 23/23 17/ND Not Sampled Not Sampled 33/4.6 22/18 27/ND
9/07/161 Not Sampled 19/ND Not Sampled Not Sampled Not Sampled Not Sampled 31/ND
9/01/20162 12/ND 18/ND Not Sampled Not Sampled 29/7 J 19/ND Not Sampled
9/01/20161 12/ND Not Sampled Not Sampled Not Sampled 30/ND 18/ND 24/ND
8/18/20162 12/ND 15/ND Not Sampled Not Sampled 33/ND 21/ND 27/ND
8/18/20161 14/ND 18/ND Not Sampled Not Sampled 32/ND 21/ND 27/ND
8/4/20163 9/ND 14/ND Not Sampled Not Sampled 23/ND 16/ND 18/ND
8/4/20162 14/ND 19/ND Not Sampled Not Sampled 29/ND 21/ND 25/ND
7/28/163 10/ND 16/ND Not Sampled Not Sampled 24/ND 15/ND 18/ND
7/28/162 12/ND 13/ND Not Sampled Not Sampled 28/ND 15/ND 19/ND
7/21/163 8/ND 13/ND Not Sampled Not Sampled 19/ND 12/ND 14/ND
7/21/162 8/ND 22/ND Not Sampled Not Sampled 27/ND 15/ND 28/ND
7/14/163 9/ND 14/ND Not Sampled Not Sampled 18/ND 13/ND 14/ND
7/14/162 16/ND 20/ND Not Sampled Not Sampled 28/ND 22/ND 23/ND
7/7/162 14/ND 17/ND 84/ND 48/ND 27/ND 18/ND 20/ND
7/7/163 10/ND 15/ND 61/ND

59/ND

37/ND 19/ND 14/ND 16/ND
7/7/161 13/ND 21/ND 85/5

94/7.5

53/ND 24/ND 17/ND 21/ND
6/30/161 14/ND 27/4.8 Not Sampled Not Sampled 26/ND 18/ND 20/ND
6/30/163 6/ND 10/ND Not Sampled Not Sampled 13/ND 9/ND 9/ND
6/23/162 13/ND 16/ND Not Sampled Not Sampled 22/ND 12/ND 15/ND
6/23/163 9/ND 13/ND Not Sampled Not Sampled 13/ND 9/ND 10/ND
6/16/163 10/ND 17/ND Not Sampled Not Sampled 14/ND 9/ND 11/ND
6/16/162 15/ND 23/ND Not Sampled Not Sampled 23/7J 13/7J 18/ND
6/9/163 6/ND 12/ND Not Sampled Not Sampled 9/ND 6/ND 7/ND
6/2/163 6/ND 14/ND 25/ND 21/ND 8/ND 5/ND 7/ND
5/26/163 12/ND 13/ND 34/ND 35/ND 13/ND 8/ND 10/ND
5/12/161 18/4.4 29/4.5 75/5.5 79/4.8 25/4.6 13/4.5 17/4.4
5/5/161 33/4.9 45/16.7 130/11 66/4.7 27/4.7 9.6/ND 16/ND
4/28/161 24/ND 25/ND 85/5.9 57/ND 21/ND 9.2/ND 14/ND
4/21/161 26/5.5 26/ND 93/7.0 56/5.4 25/5.4 9.9/9.1 16/ND
4/14/161 31/15 32/6.1 94/8.8 67/5.5 30/7.0 10/ND 18/4.9
4/7/161  

28/ND

 

Not Available – Scheduled Maintenance 94/6.8 52/ND 28/5.5 8.6/ND Not Sampled
3/31/161 27/ND Not Available – Scheduled Maintenance 90/5.6 56/ND 26/ND 8.5 & 9.7/ ND & ND Not Sampled
3/9/161 17/ND Not Available – Scheduled Maintenance 90/6 54 & 52/ND &ND Not Available – Scheduled Maintenance Not Available – Scheduled Maintenance Not Sampled

1. ALS Global completed the laboratory analyses – Isotope Dilution.
2. Eurofins completed the analyses – Method 537 1.1
3. Regional Water Authority completed the analyses – Method 537 1.1
4. ALS Global completed the laboratory analyses – Method 537 1.1
“J” Denotes estimated value because the concentration is lower than the quantification limit of the lab.
*MVD 7&8 TP –is a blend of MVD wells 7 and 8 after green sand treatment