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Bill to add vernal pools to Maryland wetland protections prompts debate over scope and cost
Summary
Sponsor asked MDE to adopt protections and buffers for vernal pools; scientists, environmental groups and educators supported the measure as targeted protections for small seasonal wetlands, while the department warned mapping and program costs could be large without clear statutory limits.
Delegate Terry Hill presented HB 8 78, which would direct the Maryland Department of the Environment to adopt regulations to designate and protect vernal (seasonal) pools and to establish buffers. Supporters said vernal pools are crucial seasonal wetlands that provide breeding habitat for salamanders, frogs and rare plants and offer stormwater and filtration benefits.
Speakers from Vernal Pool Partners, Patapsco Heritage Greenway, the Sierra Club and the National Aquarium described the ecological role of vernal pools and urged the committee to adopt protections that would be incorporated into MDE regulations. Testimony from environmental educators emphasized the pools’ importance for education and biodiversity.
MDE officials cautioned that adopting regulatory protections could require substantial mapping and staff resources; the department’s fiscal note estimated significant recurring costs to survey thousands of pools statewide and to create a new program within the Water and Science Administration. The sponsor and some committee members disputed the scope the department assumed, saying the bill asks primarily for a regulatory definition and protections rather than a comprehensive statewide mapping program.
Ending: Committee members asked for clarification from MDE on costs and about how the proposed rules would coordinate with existing federal and state wetland protections; the sponsor said the bill can be tailored to a narrower regulatory definition and that other states’ existing rules could guide Maryland’s approach.
