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S 93 119th Congress

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

A bill to amend the Harmful Algal Blooms and Hypoxia Research and Control Act of 1998 to address harmful algal blooms, and for other purposes.

Official Title as Introduced Congress.gov

Introduced Jan 14, 2025 Latest action Sep 11, 2025 Sponsor: Sen. Sullivan, Dan [R-AK] Environmental Protection
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Source: Congress.govUpdated 2026-09-17 18:10:57 UTC.

Source-linked procedural record

Bill journey

15 dated records

This is a chronology, not a progress score. Politically.com does not classify stages or infer what comes next. Records sharing a date are grouped because not every source field supplies a time.

Congress.gov Recently refreshed U.S. Senate XML Recently refreshed
Introduction 1 One supplied introduction date.
Official actions 11 11 dated action records.
Committees 1 1 undated relationship.
Amendments 0 No record is cached.
Text versions 3 3 dated, 0 without a supplied date.
House roll calls 0 No exact legislation-key match in the House-vote cache.
Senate roll calls 0 No exact document-key match in the Senate-vote cache.
Related measures 1 1 undated relationship.
Linked law 0 No linked law record is cached; this does not predict outcome.
  1. Official action Congress.gov

    Read twice and referred to the Committee on Commerce, Science, and Transportation.

    IntroReferral · Senate

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    Official action Congress.gov

    Introduced in Senate

    IntroReferral · Library of Congress · Code 10000

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    Text version Congress.gov

    Introduced in Senate

    A dated text-version record is available.

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  2. Official action Congress.gov

    Committee on Commerce, Science, and Transportation. Ordered to be reported without amendment favorably.

    Committee · Senate

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  3. Official action Congress.gov

    Placed on Senate Legislative Calendar under General Orders. Calendar No. 109.

    Calendars · Senate

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    Official action Congress.gov

    Committee on Commerce, Science, and Transportation. Reported by Senator Cruz without amendment and an amendment to the title. With written report No. 119-34.

    Committee · Senate

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    Official action Congress.gov

    Committee on Commerce, Science, and Transportation. Reported by Senator Cruz without amendment and an amendment to the title. With written report No. 119-34.

    Committee · Library of Congress · Code 14000

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    Text version Congress.gov

    Reported to Senate

    A dated text-version record is available.

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  4. Official action Congress.gov

    Passed Senate without amendment and an amendment to the Title by Unanimous Consent. (consideration: CR S6547-6549; text: CR S6547-6549)

    Floor · Senate

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    Official action Congress.gov

    Passed/agreed to in Senate: Passed Senate without amendment and an amendment to the Title by Unanimous Consent.

    Floor · Library of Congress · Code 17000

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    Text version Congress.gov

    Engrossed in Senate

    A dated text-version record is available.

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  5. Official action Congress.gov

    Message on Senate action sent to the House.

    Floor · Senate

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    Official action Congress.gov · 10:57 am UTC

    Received in the House.

    Floor · House floor actions · Code H14000

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    Official action Congress.gov · 11:20 am UTC

    Held at the desk.

    Floor · House floor actions · Code H15000

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View the complete bill journey as an accessible table
Every dated cached record linked to S 93. Same-date row order does not assert procedural sequence.
Date and timeRecordOfficial detailSource
IntroductionIntroduced Introduced in the Senate. Congress.gov
Official actionRead twice and referred to the Committee on Commerce, Science, and Transportation. No additional detail supplied.IntroReferral · Senate Congress.gov
Official actionIntroduced in Senate No additional detail supplied.IntroReferral · Library of Congress · Code 10000 Congress.gov
Text versionIntroduced in Senate A dated text-version record is available. Congress.gov
Official actionCommittee on Commerce, Science, and Transportation. Ordered to be reported without amendment favorably. No additional detail supplied.Committee · Senate Congress.gov
Official actionPlaced on Senate Legislative Calendar under General Orders. Calendar No. 109. No additional detail supplied.Calendars · Senate Congress.gov
Official actionCommittee on Commerce, Science, and Transportation. Reported by Senator Cruz without amendment and an amendment to the title. With written report No. 119-34. No additional detail supplied.Committee · Senate Congress.gov
Official actionCommittee on Commerce, Science, and Transportation. Reported by Senator Cruz without amendment and an amendment to the title. With written report No. 119-34. No additional detail supplied.Committee · Library of Congress · Code 14000 Congress.gov
Text versionReported to Senate A dated text-version record is available. Congress.gov
Official actionPassed Senate without amendment and an amendment to the Title by Unanimous Consent. (consideration: CR S6547-6549; text: CR S6547-6549) No additional detail supplied.Floor · Senate Congress.gov
Official actionPassed/agreed to in Senate: Passed Senate without amendment and an amendment to the Title by Unanimous Consent. No additional detail supplied.Floor · Library of Congress · Code 17000 Congress.gov
Text versionEngrossed in Senate A dated text-version record is available. Congress.gov
Official actionMessage on Senate action sent to the House. No additional detail supplied.Floor · Senate Congress.gov
Official actionReceived in the House. No additional detail supplied.Floor · House floor actions · Code H14000 Congress.gov
Official actionHeld at the desk. No additional detail supplied.Floor · House floor actions · Code H15000 Congress.gov

House roll calls join only on matching Congress, legislation type, and number. Senate roll calls join only on matching source-supplied document type and number, not question text. Committee and related-measure relationships have no date in their relationship records and therefore are counted above but never placed on the chronology.

Congressional Research Service

CRS summary

Introduced in Senate Jan 14, 2025

Harmful Algal Bloom and Hypoxia Research and Control Amendments Act of 2025This bill extends through FY2030 and modifies the Harmful Algal Bloom and Hypoxia Research and Control Act to address algal blooms and hypoxia (deficiency of oxygen) in U.S. marine, estuarine, and freshwater systems. Harmful algal blooms are high concentrations of algae that may create nuisance or toxic conditions that are harmful to humans, animals, aquatic ecosystems, and the economy.The bill directs the Inter-Agency Task Force on Harmful Algal Blooms and Hypoxia to submit to Congress an action strategy for harmful algal blooms at least once every five years. The bill also expands the task force's membership to include the Department of Energy.The bill also expands the duties of the National Oceanic and Atmospheric Administration (NOAA) under the National Harmful Algal Bloom and Hypoxia program. NOAA must also carry out a variety of activities related to monitoring, predicting, preventing, mitigating, and responding to marine, coastal, and Great Lakes harmful algal bloom and hypoxia events. For example, NOAA must establish (1) a national network of observing systems for monitoring, detecting, and forecasting harmful algal blooms; and (2) a national-level incubator program to increase the number of strategies, technologies, and measures available to prevent, mitigate, and control harmful algal blooms.Additionally, the Environmental Protection Agency must develop and enhance operational freshwater harmful algal bloom monitoring, observing, and forecasting programs in lakes, rivers, and reservoirs and carry out other activities related to researching freshwater harmful algal blooms and hypoxia events.

Official documents

Text versions