Congress funds research into microplastics contaminating farmland via sewage.
S. 2500 — Research for Healthy Soils Act · Filed by Jeff Merkley (D-OR) · 4 cosponsors · Introduced Jul 29, 2025 · Referred to committee
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What it does
This bill adds microplastics in land-applied biosolids (sewage solids spread on farmland) as a high-priority research area under federal agricultural research programs, authorizing grants for surveys, wastewater treatment innovation, and studies of crop and soil impacts. It also extends the authorization of existing agricultural research initiatives from 2023 to 2031.
Why we flagged it
The bill's sole operative mechanism is to designate a new research priority area and extend funding authorization for existing agricultural research programs. It is a straightforward research-funding measure with no deregulatory, tax, or subsidy component.
What the text implies
- Research findings on microplastics in biosolids may eventually inform EPA or state regulations on land application of sewage solids, creating downstream policy pressure on wastewater treatment and agricultural practices.
- Funding for wastewater treatment innovation (subsection B) may indirectly benefit wastewater utilities and treatment technology vendors, though the primary beneficiary is the research community and public knowledge base.
- The 8-year extension of research authorization (to 2031) locks in funding levels for existing programs; if appropriations decline, this extension may not guarantee actual funding increases.
Section numbers refer to the bill text the analysis read — linked under Primary records below.
Who it affects
Ordinary citizens benefit from publicly funded research into potential contamination of farmland and food crops via sewage biosolids, which may pose health or environmental risks. The bill creates no new restrictions on citizens and funds investigation of a potential public-health concern affecting soil and agricultural productivity.
Who stands to gain
- agricultural research institutions and universities
- wastewater treatment technology developers
Named in the bill
USDA, Food, Agriculture, Conservation, and Trade Act of 1990, Section 1672, biosolids, microplastics
Where it stands
4 cosponsors: 4 Democrats.
- Jul 29, 2025 — Introduced · Congress.gov: “Introduced in Senate”
- Jul 29, 2025 — Referred to Senate Committee on Agriculture, Nutrition, and Forestry · Congress.gov: “Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry”
Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.
Money around this bill
1 lobbying clients named this bill on 2 disclosure filings across 2 quarters, Dec 2025 to Jun 2026. Those filings disclosed $403,000 in lobbying spend. A filing names 74 bills on average, so that figure is what each filing reported, not a share belonging to this bill.
More lobbying clients named this bill than 0% of bills with at least one filing.
Jeff Merkley, the sponsor, reported $514,925 in PAC receipts in the 2026 cycle.
- Ocean Conservancy — $403,000 on 2 filings
Lobbying Disclosure Act filings through Jul 16, 2026. A filing shows who paid to lobby on a bill it names, not what changed.
How this was measured
Analysis — Quorum's AI read the bill text published by Congress.gov (1,668 characters) on Aug 18, 2026. Section numbers in the findings refer to that text, linked below; transparency and hidden-provision scores are compared against the median of 16,222 analysed bills.
Status and sponsors — Congress.gov's bill record — actions, committee referrals and cosponsors — loaded nightly. The timeline shows status changes, not every procedural action.
Money — Senate Lobbying Disclosure Act filings whose specific-issue field names this bill for quarters ending Dec 2025 to Jun 2026. A filing's amount is reported whole beside the median number of bills a filing names; it is never divided across them. PAC receipts are FEC-reported contributions to the sponsor's candidate committee in the 2026 cycle.
As of — lobbying records through Jul 16, 2026 · page rendered 2026-10-20.
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