MD HB1337

Applies only to Frederick County lots that were subdivided and recorded between January 1, 1976, and December 31, 2019

Requires the local health department to approve well and septic service plans without change or comment when certified by a professional engineer (for complex sand mound and at-grade systems) or a licensed environmental health specialist (for traditional below-grade systems)

Health department may only reject a plan by issuing a formal written finding of imminent threat to public health, safety, or welfare

Property owners may appeal an imminent threat finding to the local health department within 30 days

Takes effect October 1, 2026