Official sources checked August 29, 2026
Prince George's County, Maryland septic permits and requirements
Permitting authority
Prince George's County Health Department / Department of Permitting, Inspections and Enforcement (DPIE)
Wayne K. Curry Administration Building, 1301 McCormick Drive, Largo, MD 20774. Health and DPIE share onsite-sewage review and permitting functions.
County Health and DPIE roles
Prince George’s County handles onsite sewage through Health Department environmental-health functions and DPIE permitting/plan review. Health oversees wells and sewage-disposal activities while DPIE Health Plan Review reviews onsite systems associated with new and remodeled development.
Momentum and ePlan
County health licenses and permits are processed through Momentum. DPIE explains that Momentum initiates permits while ePlan/ProjectDox is used to submit plans and supporting documents for agency review.
Percolation testing and site review
The county processes percolation-testing activities and publishes site-plan requirements and onsite sewage design guidance. Health also performs site evaluations for innovative and alternative systems where conventional systems are not feasible.
New systems, additions, and expansions
Health Plan Review evaluates onsite sewage systems for new development and reviews upgrades or expansions of existing sewage-disposal systems when building additions are proposed. Applicants should use the county well/onsite-disposal checklists before submitting plans.
BAT and alternative systems
The county publishes a septic design manual and BAT system design manual and links to Maryland-approved Best Available Technology units for nitrogen removal. Alternative-system projects can carry design, monitoring, or state requirements beyond conventional septic systems.
Contractors, haulers, and inspections
The county licenses sewage contractors and septage/scavenger operations and provides a process for scheduling health inspections. Applicants should verify the required contractor credential and inspection stage for the specific system before construction or cover.
Official sources
- Prince George's County — On-site Sewage Disposal Systems
- Prince George's County Health — Wells & Sewage Disposal Systems
- Prince George's County — Permit Process
SepticScope summarizes public-agency information for planning purposes. The permitting agency's current instructions control if they differ from this guide.