New Hampshire House Bill HB1148

New Hampshire 2026 Regular Session

• Introduced: 12/1/25
• Refer: 12/1/25
• Report Pass: 2/9/26
• Engrossed: 2/25/26
• Refer: 2/25/26
• Report Pass: 4/13/26

Caption

adding cyanobacteria and algae blooms to the study of the exotic aquatic weeds and species committee.

Summary

HB 1148 expands the duties of New Hampshire’s Exotic Aquatic Weeds and Species Committee to explicitly include harmful algal blooms and cyanobacteria. Under current law, the committee studies the spread of exotic aquatic weeds and invasive aquatic wildlife, reviews best management practices from other states, and recommends response programs when invasive species are found. This bill adds a new duty to study the causes of harmful algal blooms and cyanobacteria in the state’s surface waters, including possible links between aquatic invasive species and nutrient dynamics. The bill also directs the committee to aid the Department of Environmental Services in controlling and eradicating milfoil, harmful algal blooms, and cyanobacteria. In practical terms, it broadens the committee’s environmental monitoring and response role from invasive plants and species alone to include water-quality and bloom-related threats that can affect lakes, ponds, and other surface waters. The act takes effect 60 days after passage.

Impact

HB 1148 amends RSA 487:30, III by adding harmful algal blooms and cyanobacteria to the committee’s statutory responsibilities and by expressly naming them in the committee’s assistance to the Department of Environmental Services. The bill does not create a new agency or regulatory program, but it expands the scope of an existing advisory/study committee and may influence future recommendations, monitoring priorities, and state responses to water-quality issues affecting aquatic ecosystems, recreation, and public health.

Sentiment

The available record suggests broad, noncontroversial support for the bill. There are no recorded committee transcripts or roll-call votes indicating opposition, and the bill was adopted by both bodies. The measure appears to be framed as a practical environmental management update rather than a major policy shift, which likely contributed to its favorable reception.

Contention

No specific points of contention are documented in the provided materials. If any concerns were raised, they are not reflected in the available transcripts or voting history. Potential areas of debate in a bill like this could include whether the committee’s expanded mandate should focus on invasive species versus water-quality causes, or whether the Department of Environmental Services should receive additional resources to address harmful algal blooms and cyanobacteria, but those issues are not shown in the record here.