Maryland 2026 Session Status: Introduced 10 D cosponsors

HB0517 — Emission Standards, Ambient Air Quality Standards, and Solid Waste Management - Local Authority

Last action — Hearing (Primary, House of Origin)

  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed House of Delegates
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the House of Delegates. Introduced January 27, 2026. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Prognosis

Not enough signal yet

Where this bill stands today.

Odds of enactment

Low

How often bills like it became law.

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

Summary

Altering provisions of law relating to the authority of a political subdivision to adopt ordinances, rules, or regulations that set emission standards or ambient air quality standards under certain conditions; specifying that the requirement for the Department of the Environment to approve a county water and sewerage plan does not limit certain authority of the county; requiring the Department to publish certain information on its website by October 1, 2026; etc.

Bill Text

We don't have the full text on file for this bill yet.

Read HB0517 on the official Maryland source →

Action History

  1. Hearing (Primary, House of Origin)

  2. First Reading (House of Origin)

Sponsors

Sponsorship breakdown

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1 sponsors · 9 co-sponsors · 178 not signed on

Sponsors (1)

Co-sponsors (9)

Not signed on (178)

178 members have not signed on to this bill.

Show all 178 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

environment
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB0517 do?
Altering provisions of law relating to the authority of a political subdivision to adopt ordinances, rules, or regulations that set emission standards or ambient air quality standards under certain conditions; specifying that the requirement for the Department of the Environment to approve a county water and sewerage plan does not limit certain authority of the county; requiring the Department to publish certain information on its website by October 1, 2026; etc.
Who sponsors HB0517?
HB0517 is sponsored by Delegate Jen Terrasa (Democrat), Delegate Gabriel Acevero (Democrat), Delegate Heather Bagnall (Democrat), Delegate Lorig Charkoudian (Democrat), Delegate Aaron M. Kaufman (Democrat), Delegate Mary A. Lehman (Democrat), Delegate Gabriel M. Moreno (Democrat), Delegate Sheila Ruth (Democrat), Delegate Deni Taveras (Democrat), and Delegate Sarah Wolek (Democrat).
What is the current status of HB0517?
This bill has been introduced in the House of Delegates. Introduced January 27, 2026. It must pass committee before a floor vote.
Where can I track HB0517?
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