New Hampshire 2026 Session Status: Enacted 1 R cosponsors

HB 1089 — extending the authorization of the department of environmental services for the evaluation and mitigation of new community water system contamination risks.

Last action — Signed by Governor Ayotte 06/19/2026; Chapter 155; eff.08/18/2026

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  1. ✓
    Introduced
  2. ✓
    In Committee
  3. ✓
    Passed House
  4. ✓
    Passed Senate
  5. ✓
    To Executive
  6. 6
    Enacted

This bill has been enacted into law. Introduced December 01, 2025. Enacted.

Signed by Governor Kelly Ayotte (Republican) on June 24, 2026.

Prognosis

Advancing 52% · moderate confidence

Where this bill stands today.

Odds of enactment

High

How often bills like it became law.

  • Enacted

    Current position in the legislative process.

  • 1 sponsor

    1 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (1 R).

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

In plain language

This bill extends the authority of a department to manage water contamination risks.

The bill allows the department of environmental services to continue evaluating and addressing contamination risks in community water systems. This extension aims to ensure water safety for communities.

What this means for you
  • Environment: This means continued support for strategies to safeguard community water sources from contamination.

Summary

extending the authorization of the department of environmental services for the evaluation and mitigation of new community water system contamination risks.

Bill Text

What changed in the latest version

15 added · 10 removed

Plain-language change summary

The updated version of HB 1089 includes a new chapter that clarifies the bill's purpose: to allow the Department of Environmental Services to assess and address contamination risks to new community water systems. It specifies that when drawing less than 57,600 gallons of groundwater in any 24-hour period, the withdrawal must not negatively affect nearby private water supply wells. This change is important because it aims to protect existing water supplies while allowing for new community water sources. The bill will take effect 60 days after its approval on June 19, 2026.

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HB 1089 - VERSION ADOPTED BY BOTH BODIES 21May2026...
CHAPTER 155 HB 1089 - FINAL VERSION 21May2026...
HB 1089 - VERSION ADOPTED BY BOTH BODIES 21May2026...
CHAPTER 155 HB 1089 - FINAL VERSION 21May2026...
1 Drinking Water;
155:1 Drinking Water;
The department shall adopt rules pursuant to RSA 541-A specifying criteria and procedures to ensure a groundwater withdrawal less than 57,600 gallons over any 24- hour period from a new source of water for a community water system as defined by RSA 485:1-a and subject to RSA 485:8 does not cause an unmitigated impact to an existing private water supply well in accordance with RSA 485-C:21, V-c(a), RSA 485-C:21, V-c(j), or RSA 485-C:21, V-c(c).
The department shall adopt rules pursuant to RSA 541-A specifying criteria and procedures to ensure a groundwater withdrawal less than 57,600 gallons over any 24-hour period from a new source of water for a community water system as defined by RSA 485:1-a and subject to RSA 485:8 does not cause an unmitigated impact to an existing private water supply well in accordance with RSA 485-C:21, V-c(a), RSA 485-C:21, V-c(j), or RSA 485-C:21, V-c(c).
2 Effective Date.
155:2 Effective Date.
Approved:
June 19, 2026 Effective Date:
August 18, 2026
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Action History

  1. Signed by Governor Ayotte 06/19/2026; Chapter 155; eff.08/18/2026

  2. Enrolled (in recess of) 06/04/2026 HJ 15

  3. Enrolled Adopted, VV, (In recess 06/04/2026); SJ 14

  4. Enrolled Bill Amendment # 2026-1994e Adopted, VV, (In recess of 05/21/2026); SJ 14

  5. Enrolled Bill Amendment # 2026-1994e: AA VV (in recess of) 05/21/2026 HJ 14

  6. Ought to Pass: MA, VV; OT3rdg; 04/16/2026; SJ 9

  7. Committee Report: Ought to Pass, 04/16/2026; Vote 5-0; CC; SC 14A

  8. Hearing: 03/19/2026, Room 103, SH, 09:00 am; SC 10

  9. Introduced 02/19/2026 and Referred to Energy and Natural Resources; SJ 5

  10. Ought to Pass: MA VV 02/19/2026 HJ 5 P. 30

  11. Committee Report: Ought to Pass 02/04/2026 (Vote 14-0; CC) HC 7 P. 19

  12. Executive Session: 02/04/2026 11:30 am GP 228

  13. Public Hearing: 02/04/2026 11:30 am GP 228

  14. Introduced 01/07/2026 and referred to Resources, Recreation and Development HJ 1 P. 5

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 414 not signed on

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (414)

414 members have not signed on to this bill.

Show all 414 →

"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.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

environment
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB 1089 do?
extending the authorization of the department of environmental services for the evaluation and mitigation of new community water system contamination risks.
Who sponsors HB 1089?
HB 1089 is sponsored by Tanya Donnelly (Republican).
What is the current status of HB 1089?
This bill has been enacted into law. Introduced December 01, 2025. Enacted.
Where can I track HB 1089?
Track HB 1089 free on One Click Politics — get push/email alerts when it moves.

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