H.R. 644 (119th)Bill Overview

Harmful Algal Bloom and Hypoxia Research and Control Amendments Act of 2025

Environmental Protection|Environmental Protection
Cosponsors
Support
Democratic
Introduced
Jan 23, 2025
Discussions
Bill Text
Current stageCommittee

Referred to the Committee on Science, Space, and Technology, and in addition to the Committee on Natural Resources, for a period to be subsequently determined by the Speaker, in e…

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill amends the Harmful Algal Bloom and Hypoxia Research and Control Act to broaden federal research, monitoring, forecasting, and response for marine and freshwater harmful algal blooms and hypoxia. It expands Task Force membership and requires a national Action Strategy and recurring scientific assessments, creates a national observing network, directs NOAA and EPA activities, establishes a national incubator program for novel mitigation technologies, updates definitions emphasizing subsistence and tribal interests, and authorizes about $27.5 million annually (FY2026–2030) plus $2 million yearly for related drought/NIDIS authorities.

Why people may split

Liberal emphasizes equity, tribal/subsistence protections, and stronger action.

Watch point

Relative to its intended legislative type, this bill meaningfully amends the existing statutory framework to expand research, monitoring, coordination, and response authorities for harmful algal blooms and hypoxia, provides multi-year funding authorizations, and integrates with existing laws and data systems.

This bill amends the Harmful Algal Bloom and Hypoxia Research and Control Act to broaden federal research, monitoring, forecasting, and response for marine and freshwater harmful algal blooms and hypoxia.

It expands Task Force membership and requires a national Action Strategy and recurring scientific assessments, creates a national observing network, directs NOAA and EPA activities, establishes a national incubator program for novel mitigation technologies, updates definitions emphasizing subsistence and tribal interests, and authorizes about $27.5 million annually (FY2026–2030) plus $2 million yearly for related drought/NIDIS authorities.

The bill also allows certain fund transfers and temporary waivers of non‑Federal cost shares for affected communities during significant events.

Passage35/100

Modest, technical authorization with sensible compromise features increases odds, but passage hinges on appropriations and legislative priorities.

CredibilityPartially aligned

Relative to its intended legislative type, this bill meaningfully amends the existing statutory framework to expand research, monitoring, coordination, and response authorities for harmful algal blooms and hypoxia, provides multi-year funding authorizations, and integrates with existing laws and data systems. The bill establishes required assessments and an Action Strategy and names responsible agencies.

Contention45/100

Liberal emphasizes equity, tribal/subsistence protections, and stronger action.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agenciesStates

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Potential benefitEnhances early detection and forecasting capabilities for harmful algal blooms nationwide.
  • Federal agenciesDirects dedicated federal funding to NOAA and EPA for monitoring, research, and response activities.
  • Potential benefitCreates an incubator to accelerate development of new mitigation technologies and operational approaches.
Likely burdened
  • Potential burdenAuthorized funding levels may be insufficient to cover comprehensive national monitoring and response needs.
  • StatesNew data, reporting, and coordination requirements could impose administrative burdens on states and tribes.
  • Potential burdenIncubator-supported interventions might create ecological or regulatory risks if deployed without thorough review.
03 · Why people split

Why the argument around this bill splits.

Liberal emphasizes equity, tribal/subsistence protections, and stronger action.
Progressive85%

Likely broadly supportive because the bill strengthens monitoring, research, and response, and explicitly prioritizes tribes, subsistence users, rural and low-income communities.

It advances environmental health, public‑health protections, and funding for technologies to prevent and mitigate blooms.

Some progressives may view the funding levels as modest and note the bill focuses on research rather than stronger pollution controls.

Leans supportive
Centrist75%

Generally supportive of improved coordination, standardized data, and practical forecasting to protect public health and fisheries.

Will focus on cost-effectiveness, avoiding duplication, and clear performance metrics.

May seek assurances on interagency roles, funding accountability, and measurable outcomes.

Leans supportive
Conservative50%

Mixed to wary: supports scientific monitoring and protecting public health and fisheries, but cautious about expanding federal programs and recurring spending.

Concerned about federal overreach, potential regulatory pressure on agriculture and fertilizer users, and added bureaucracy.

May favor state-led approaches and tighter spending controls.

Split reaction
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood35/100

Modest, technical authorization with sensible compromise features increases odds, but passage hinges on appropriations and legislative priorities.

Scope and complexity
52%
Scopemoderate
52%
Complexitymedium
Why this could stall
  • No CBO cost estimate or score included in text
  • Whether appropriations will fund authorized amounts
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Liberal emphasizes equity, tribal/subsistence protections, and stronger action.

Modest, technical authorization with sensible compromise features increases odds, but passage hinges on appropriations and legislative prio…

Unlocked analysis

Relative to its intended legislative type, this bill meaningfully amends the existing statutory framework to expand research, monitoring, coordination, and response authorities for harmful algal blooms and hypoxia, prov…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis