# Maryland SB 0189: Municipalities - Open Drainage Inlets - Inventory and Improvements (Mason's Law) Maryland SB 0189, Municipalities - Open Drainage Inlets - Inventory and Improvements (Mason's Law), is a 2026 Regular Session Senate bill sponsored by Karen Lewis Young (Democratic); status signed, last action 2026-05-12 (Approved by the Governor - Chapter 356) (as of 2026-10-19). - Canonical: https://policyrisk.com/state-bill/MD-SB0189-2026RS - As of: 2026-10-19 - Plain-text twin of the page above; the HTML and this file carry the same facts. ## Facts - Bill: Maryland SB 0189 - State: Maryland - Session: 2026 Regular Session - Title: Municipalities - Open Drainage Inlets - Inventory and Improvements (Mason's Law) - Status: signed - Chamber: Senate - Introduced: 2025-10-21 - Last action: 2026-05-12, Approved by the Governor - Chapter 356 - Sponsor: Karen Lewis Young (Democratic) - Cosponsors: 0 - Subjects: Municipalities, Construction, Environment, Department of the, Equipment -see also- Charging; Med. Equip.; MV Equip; etc., Evaluations and Reviews, Flood Control, Grants, Local Government Mandates, Municipal Corporations -see also- Annap; Balt, Notices, Plans and Proposals, Public Works -see also- Brg&Tun; Hwys; PublBlgFac; etc., Revenue and Taxes -see also- (specific tax), Safety -see also- Occupational Safety, Standards and Best Practices, State Aid -see also- Public Benefits, Time, Utilities -see also- Recycl; Refuse; Sewage; Teleph; Water, Water -see also- Coastal Bays; Riv,Str,Lks; Wastewater; etc. - Touches household money: no - Roll calls: 3 (230 yes, 0 no in all) - Economic provisions PRIA read: 3 ## Summary No summary available. ## Bill overview: provisions PRIA read - State grants help cities fix inlets: benefit, low. Beginning October 1, 2026, cities may apply for state grants to share the cost of inlet improvements. To get a grant, a city must take part in the National Flood Insurance Program. In fiscal years 2029, 2030, and 2031, $250,000 each year is set aside for these municipal inlet upgrades. - New drainage inlets need safety grates: benefit, low. Beginning October 1, 2026, any new open drainage inlet must include an approved, secured grating system. Builders and cities must follow these safety rules when they install new inlets. - Cities must map and upgrade open drains: mixed, low. Beginning October 1, 2026, cities must count and map all open drainage inlets 12 inches or larger that were installed before that date. The inventory is due by July 1, 2027. By April 1, 2028, each city must adopt a plan to fix the highest‑risk inlets and must notify private owners. Upgrades can be… ## Sponsors and cosponsors - Sponsor: Karen Lewis Young (Democratic), Senate ## Roll call votes | Date | Chamber | Motion | Result | Yes | No | Other | | --- | --- | --- | --- | --- | --- | --- | | 2026-04-13 | House | Third Reading Passed | pass | 138 | 0 | 2 | | 2026-04-13 | Senate | Third Reading Passed | pass | 47 | 0 | | | 2026-03-19 | Senate | Third Reading Passed | pass | 45 | 0 | | ## Actions (17) - 2026-05-12: Approved by the Governor - Chapter 356 - 2026-04-13: Passed Enrolled (Senate) - 2026-04-13: Third Reading Passed (47-0) (Senate) - 2026-04-13: Senate Concurs House Amendments (Senate) - 2026-04-13: Third Reading Passed (138-0) (House) - 2026-04-09: Second Reading Passed with Amendments (House) - 2026-04-09: Favorable with Amendments {533221/1 Adopted (House) - 2026-04-08: Favorable with Amendments Report by Environment and Transportation (House) - 2026-03-25: Hearing 4/02 at 1:00 p.m. (House) - 2026-03-20: Referred Environment and Transportation (House) - 2026-03-19: Third Reading Passed (45-0) (Senate) - 2026-03-18: Second Reading Passed with Amendments (Senate) - 2026-03-18: Favorable with Amendments {243122/1 Adopted (Senate) - 2026-03-18: Favorable with Amendments Report by Education, Energy, and the Environment (Senate) - 2026-01-16: Hearing 2/03 at 1:00 p.m. (Senate) - 2026-01-14: First Reading Education, Energy, and the Environment (Senate) - 2025-10-21: Pre-filed (Senate) ## Bill text - Enacted, 2026-05-12: [PDF](https://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_356_sb0189e.pdf) - Enrolled, 2026-04-13: [PDF](https://mgaleg.maryland.gov/2026RS/bills/sb/sb0189e.pdf) - Third Reading, 2026-03-18: [PDF](https://mgaleg.maryland.gov/2026RS/bills/sb/sb0189t.pdf) - First Reading, 2026-01-14: [PDF](https://mgaleg.maryland.gov/2026RS/bills/sb/sb0189f.pdf) ## Related bills - SB 0496: Maryland Medical Assistance Program - Coverage for the Treatment of Obesity - Authorization (became law) - SB 0366: Motor Vehicles - Intelligent Speed Assistance System Pilot Program - Establishment (became law) - SB 0244: Code Revision - Health - Maryland Medical Assistance Program (became law) - SB 0148: Income Tax - Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-1 Specialists Act) (became law) - SB 0016: Child Support - Earnings Withholdings Limits (became law) - HB 0529: Code Revision - Health - Maryland Medical Assistance Program (became law) ## Sources - [Enacted (PDF)](https://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_356_sb0189e.pdf) - [Enrolled (PDF)](https://mgaleg.maryland.gov/2026RS/bills/sb/sb0189e.pdf) - [Third Reading (PDF)](https://mgaleg.maryland.gov/2026RS/bills/sb/sb0189t.pdf) - [First Reading (PDF)](https://mgaleg.maryland.gov/2026RS/bills/sb/sb0189f.pdf) ## Related - [SB 0496: Maryland Medical Assistance Program - Coverage for the Treatment of Obesity - A…](https://policyrisk.com/state-bill/MD-SB0496-2026RS) - [SB 0366: Motor Vehicles - Intelligent Speed Assistance System Pilot Program - Establishm…](https://policyrisk.com/state-bill/MD-SB0366-2026RS) - [SB 0244: Code Revision - Health - Maryland Medical Assistance Program](https://policyrisk.com/state-bill/MD-SB0244-2026RS) - [SB 0148: Income Tax - Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-…](https://policyrisk.com/state-bill/MD-SB0148-2026RS) - [SB 0016: Child Support - Earnings Withholdings Limits](https://policyrisk.com/state-bill/MD-SB0016-2026RS) - [HB 0529: Code Revision - Health - Maryland Medical Assistance Program](https://policyrisk.com/state-bill/MD-HB0529-2026RS) - [Maryland bills](https://policyrisk.com/states/maryland/bills) - [Maryland state hub](https://policyrisk.com/states/maryland) - [All state legislation](https://policyrisk.com/state-bills) Source: PRIA, https://policyrisk.com/state-bill/MD-SB0189-2026RS (as of 2026-10-19).