Maryland SB189: Municipalities - Open Drainage Inlets - Inventory and Improvements (Mason's Law)

What the bill says

An act concerning Municipalities - Open Drainage Inlets - Required Grating Systems Inventory and Improvements (Mason's Law) FOR the purpose of requiring a municipality to inventory and prioritize all existing open drainage inlets in the municipality and construct or install a certain approved grating system certain improvements on a new or existing open drainage inlet within the municipality…

From the enrolled text, May 18, 2026:

AN ACT concerning Municipalities - Open Drainage Inlets - Required Grating Systems Inventory and Improvements (Mason's Law) FOR the purpose of requiring a municipality to inventory and prioritize all existing open drainage inlets in the municipality and construct or install a certain approved grating system certain improvements on a new or existing open drainage inlet within the municipality; requiring, in certain fiscal years, a certain amount of money appropriated to the comprehensive flood management grant program within the Department of the Environment to be used to provide matching funds to assist municipalities with certain costs; and generally relating to open drainage inlets in municipalities. BY repealing and reenacting, with amendments, Article - Environment Section 5-803(h) Annotated Code of Maryland (2013 Replacement Volume and 2025 Supplement) BY adding to Article - Local Government Section 4-112 Annotated Code of Maryland (2013 Volume and 2025 Supplement) SECTION 1. BE IT ENACTED BY THE GENERAL ASSEMBLY OF MARYLAND, That the Laws of Maryland read as follows: Article - Environment 5-803. (h) (1) There is a comprehensive flood management grant program within the Department. (2) (i) Subject to the approval of the Board of Public Works, the Department may use proceeds from the State debt created to fund the comprehensive flood management grant program to pay the entire cost of watershed studies pursuant to subsection …

Read the full official text

Sponsors

• Karen Young (D, 3) · primary sponsor

Latest actions

1. May 12, 2026: Approved by the Governor - Chapter 356
2. April 13, 2026: Passed Enrolled
3. April 13, 2026: Third Reading Passed (47-0)
4. April 13, 2026: Senate Concurs House Amendments
5. April 13, 2026: Third Reading Passed (138-0)
6. April 9, 2026: Second Reading Passed with Amendments
7. April 9, 2026: Favorable with Amendments {533221/1 Adopted
8. April 8, 2026: Favorable with Amendments Report by Environment and Transportation
9. March 25, 2026: Hearing 4/02 at 1:00 p.m.
10. March 20, 2026: Referred Environment and Transportation

Votes

• Third Reading Passed (47-0) (April 13, 2026): 47 yea, 0 nay, passed
• Third Reading Passed (138-0) (April 13, 2026): 138 yea, 0 nay, passed
• Third Reading Passed (45-0) (March 19, 2026): 45 yea, 0 nay, passed

Common questions

What is SB189?

SB189 is a bill in the Maryland Legislature (2026 Regular Session): Municipalities - Open Drainage Inlets - Inventory and Improvements (Mason's Law).

What does SB189 do?

In its own words: An act concerning Municipalities - Open Drainage Inlets - Required Grating Systems Inventory and Improvements (Mason's Law) FOR the purpose of requiring a municipality to inventory and prioritize all existing open drainage inlets in the municipality and construct or install a certain approved grating system certain improvements on a new or existing open drainage inlet within the municipality…

What is the status of SB189?

Signed into law as of May 12, 2026. Latest action: Approved by the Governor - Chapter 356 (May 12, 2026).

Who sponsored SB189?

Karen Young (D, 3).

Where is the official record for SB189?

On the Maryland Legislature website: https://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0189?ys=2026RS