SB 595 — relative to rulemaking for transient non-community water systems.
Last action — Signed by the Governor on 06/12/2026; Chapter 139; Effective 08/11/2026
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✓Introduced
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✓In Committee
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✓Passed Senate
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✓Passed House
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✓To Executive
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6Enacted
This bill has been enacted into law. Introduced November 25, 2025. Enacted.
Signed by Governor Kelly Ayotte (Republican) on June 22, 2026.
Odds of enactment
High chanceBased on the sponsor, cosponsors, and committee posture, this bill has a high chance of becoming law.
Upgrade to see the exact probability and what's driving it.
A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.
Prognosis
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Enacted
Current position in the legislative process.
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5 sponsors
1 primary, 4 co-sponsors signed on.
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Bipartisan support
Sponsored across 2 parties (4 R · 1 D) — cross-party backing.
Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.
In plain language
The bill establishes rules for transient non-community water systems.
This legislation focuses on creating specific regulations for transient non-community water systems to ensure safe water supply. It aims to provide clarity and standards for these systems.
Summary
(New Title) relative to rulemaking for transient non-community water systems.
Bill Text
What changed in the latest version
19 added · 16 removedPlain-language change summary
The updated version of SB 595 adds a specific paragraph emphasizing that drinking water rules must include stringent quality control measures and maintain compliance with national regulations from the Environmental Protection Agency. It also clarifies options for certain water systems that miss sampling to remain on a quarterly testing schedule. These changes matter because they enhance water safety standards and ensure communities continue to have access to high-quality drinking water, improving public health and safety.
CHAPTER 139 SB 595 - VERSIONFINAL ADOPTEDVERSION BY BOTH BODIES 03/26/2026 1119s 23Apr2026...
Energy and Natural Resources ───────────────────────────────────────────────────────────────── AMENDED ANALYSIS This bill requires that rules made by the department of environmental services relative to drinking water include an option for sampling of transient non-community water systems under certain circumstances.
CHAPTER 139 SB 595 - VERSIONFINAL ADOPTEDVERSION BY BOTH BODIES 03/26/2026 1119s 23Apr2026...
1139:1 Drinking Water Rules.
Such rules shall include the option for transient non-communitynon- community water systems to remain on quarterly sampling if a sample is missed consistent with the criteria and procedures in 40 C.F.R.
section 141.854 et seq,seq., as amended from time to time.
2139:2 Effective Date.
Approved:
June 12, 2026 Effective Date:
August 11, 2026
View plain text versions (5)
- Chaptered CHAPTERED FINAL VERSION Current pdf
- Version adopted by both bodies View text pdf
- Amended As Amended by the Senate pdf
- Amended As Amended by the House pdf
- Introduced View text pdf
Action History
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Signed by the Governor on 06/12/2026; Chapter 139; Effective 08/11/2026
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Enrolled (in recess of) 05/21/2026 HJ 14
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Enrolled Adopted, VV, (In recess 05/21/2026); SJ 14
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Sen. Pearl Moved to Concur with the House Amendment, MA, VV; 05/07/2026; SJ 11
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Ought to Pass with Amendment 2026-1367h: MA VV 04/23/2026 HJ 11
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Amendment # 2026-1367h: AA VV 04/23/2026 HJ 11
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Committee Report: Ought to Pass with Amendment # 2026-1367h 04/08/2026 (Vote 14-0; CC)
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Executive Session: 04/08/2026 10:00 am GP 228
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Public Hearing: 04/08/2026 10:00 am GP 228
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Introduced (in recess of) 03/26/2026 and referred to Resources, Recreation and Development HJ 9 P. 55
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Ought to Pass with Amendment #2026-1119s, MA, VV; OT3rdg; 03/26/2026; SJ 7
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Sen. Watters Floor Amendment # 2026-1119s, AA, VV; 03/26/2026; SJ 7
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Committee Amendment # 2026-1002s, AF, VV; 03/26/2026; SJ 7
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Committee Report: Ought to Pass with Amendment # 2026-1002s, 03/26/2026, Vote 5-0; SC 11
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Special Order to 03/26/2026, Without Objection, MA; 03/12/2026 SJ 6
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SB 595 was Removed from the Consent Calendar; 03/12/2026; SJ 6
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Committee Report: Ought to Pass with Amendment # 2026-1002s, 03/12/2026; Vote 5-0; CC; SC 9
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Hearing: 02/10/2026, Room 103, SH, 09:20 am; SC 4
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Introduced 01/07/2026 and Referred to Energy and Natural Resources; SJ 1
Sponsors
- Tim McGough · Cosponsor
- Keith Murphy · Primary
- Howard Pearl · Cosponsor
- Kevin Avard · Cosponsor
- Rebecca Perkins Kwoka · Cosponsor
Sponsorship breakdown
Export CSV (upgrade) →1 sponsors · 4 co-sponsors · 410 not signed on
Sponsors (1)
- Keith Murphy Republican
Co-sponsors (4)
- Tim McGough Republican
- Howard Pearl Republican
- Kevin Avard Republican
- Rebecca Perkins Kwoka Democrat
Not signed on (410)
410 members have not signed on to this bill.
Show all 410 →"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.
Subjects
Frequently asked questions
- What does SB 595 do?
- (New Title) relative to rulemaking for transient non-community water systems.
- Who sponsors SB 595?
- SB 595 is sponsored by Tim McGough (Republican), Keith Murphy (Republican), Howard Pearl (Republican), Kevin Avard (Republican), and Rebecca Perkins Kwoka (Democrat).
- What is the current status of SB 595?
- This bill has been enacted into law. Introduced November 25, 2025. Enacted.
- Where can I track SB 595?
- Track SB 595 free on One Click Politics — get push/email alerts when it moves.
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