HB1478

Requiring the department of environmental services to revise the rules for proposed new landfills.

Chamber Passed·3/17/26
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New Hampshire HB1478 mandates stricter rules for new landfill siting to protect drinking water sources and the environment.

New Hampshire HB1478 requires the Department of Environmental Services to revise landfill rules, emphasizing groundwater protection and setback distances from drinking water sources. The bill mandates a site-specific setback distance for new landfills, calculated based on groundwater velocity and travel distance. It prohibits permits for landfills that do not meet specific soil conductivity standards and mandates a 50-year storm margin of safety for new landfill design.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the House · 13–9 · Mar 17
Current
The Senate
Next
Senate floor vote

Sponsors

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4
6
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Democratic CaucusRepublican Caucus

Roll Call Votes

Refer to Interim Study

13 Yea

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9 Nay

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2 Absent

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Calendar

Apr 14

9:30 AM

Energy and Natural Resources Hearing

Mar 3

10:15 AM

Environment and Agriculture Work Session

History

May 7

Senate

Refer to Interim Study, Regular Calendar 13Y-9N, Motion Adopted; 05/07/2026; Senate Journal 11

Apr 29

Senate

Committee Report: Referred to Interim Study, 05/07/2026, Vote 4-1; Senate Calendar 17

Apr 8

Senate

Hearing: 04/14/2026, Room 103, State House, 09:30 am; Senate Calendar 14