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SENATE DOCKET, NO. 192 FILED ON: 1/12/2023
SENATE . . . . . . . . . . . . . . No. 579
The Commonwealth of Massachusetts
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PRESENTED BY:
Bruce E. Tarr
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To the Honorable Senate and House of Representatives of the Commonwealth of Massachusetts in General
Court assembled:
The undersigned legislators and/or citizens respectfully petition for the adoption of the accompanying bill:
An Act relative to setting NDMA levels.
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PETITION OF:
NAME:DISTRICT/ADDRESS :Bruce E. TarrFirst Essex and Middlesex 1 of 2
SENATE DOCKET, NO. 192 FILED ON: 1/12/2023
SENATE . . . . . . . . . . . . . . No. 579
By Mr. Tarr, a petition (accompanied by bill, Senate, No. 579) of Bruce E. Tarr for legislation to
set NDMA levels. Environment and Natural Resources.
The Commonwealth of Massachusetts
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In the One Hundred and Ninety-Third General Court
(2023-2024)
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An Act relative to setting NDMA levels.
Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority
of the same, as follows:
1 Notwithstanding any other general or special law to the contrary Section 7 of Chapter
221A of the General Laws, as appearing in the 2020 Official Edition, is hereby amended by
3inserting at the end there of the following: -
4 Section 7: (a) For purposes of this section following actions shall be taken by the
5Department of Environmental Protection:
6 The Department of Environmental Protection shall review the Guidelines on chemicals
7found in drinking water tested in the Commonwealth for the purposes of classifying
8Massachusetts maximum containment levels for certain harmful compounds. The Department of
9Environmental protection shall, with respect to n-Nitrosodimethylamine, promulgate
10Massachusetts maximum containment levels, that shall be considered the maximum safe amount
11of n-Nitrosodimethylamine present in drinking water so that it does not negatively affect human
12health. 2 of 2
13 The Department of Environmental Protection shall, upon receiving reports of levels of n-
14Nitrosodimethylamine outside the Massachusetts maximum containment levels, provide a copy
15of those reports to the Clerks of the House and the Senate. The Department of Environmental
16Protection shall then treat any such level found above the Massachusetts maximum containment
17level as if it were a violation of the Department of Environmental Protection Drinking Water
18regulation 310 CMR 22.00. Pursuant to 310 CMR 22.01(2) the Department of Environmental
19Protection shall exercise its authority as it sees fit to enforce the standard of the Massachusetts
20maximum containment levels promulgated in this section with respect to n-
21Nitrosodimethylamine.
22 The Department of Environmental Protection shall provide a report annually to the clerks
23of the House and the Senate that details the total number of examinations done of drinking water
24in the Commonwealth, as well as how many of those were found to contain n-
25Nitrosodimethylamine levels above the Massachusetts maximum containment level.