Maryland HB1621: Wastewater Treatment Plants - Discharges - Requirements

Sponsors

• Robin Grammer (R, HD-006) · primary sponsor
• Dylan Behler (D, 30A)
• Michele Guyton (D, 42B)

Latest actions

1. April 13, 2026: Favorable with Amendments Report by Education, Energy, and the Environment
2. April 10, 2026: Hearing 4/10 at 3:00 p.m.
3. April 10, 2026: Rereferred to Education, Energy, and the Environment
4. April 7, 2026: Referred Rules
5. April 6, 2026: Third Reading Passed (127-5)
6. April 3, 2026: Second Reading Passed with Amendments
7. April 3, 2026: Favorable with Amendments {453825/1 Adopted
8. April 3, 2026: Favorable with Amendments Report by Environment and Transportation
9. March 13, 2026: Hearing 3/13 at 1:30 p.m.
10. March 13, 2026: Hearing canceled

Votes

• Third Reading Passed (127-5) (April 6, 2026): 127 yea, 5 nay, passed

Common questions

What is HB1621?

HB1621 is a bill in the Maryland Legislature (2026 Regular Session): Wastewater Treatment Plants - Discharges - Requirements.

What does HB1621 do?

Requiring certain wastewater treatment plants to maintain a publicly accessible website on which certain information relating to certain discharges is required to be published in a certain manner; and requiring certain wastewater treatment plants to begin certain testing within 24 hours after a bypass, overflow, or treatment failure that requires testing for certain chemicals or bacteria.

What is the status of HB1621?

In committee as of April 13, 2026. Latest action: Favorable with Amendments Report by Education, Energy, and the Environment (April 13, 2026).

Who sponsored HB1621?

Robin Grammer (R, HD-006), with 2 co-sponsors.

Where is the official record for HB1621?

On the Maryland Legislature website: https://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb1621?ys=2026RS