Septics Law Implementation
Maryland Tier Builder Composite Map
For reference, MDP has developed statewide maps using MDP's online Tier Builder mapping application. These maps provide an approximation, in conformance with the tier mapping criteria in SB236, of what Tiers I, II, III and IV should look like and illustrate how statewide tier maps closely conform to local zoning and sewer service areas. These do not reflect tier maps adopted to date.
Sewer Service Data Layer
Generalized Zoning Data Layer
Tier Builder Composite Map