Delaware County, Pennsylvania
Borough of Millbourne is a borough in Delaware County, Pennsylvania. Septic permits inside Borough of Millbourne come from Delaware County (Delaware County Health Department, Environmental Health · (484) 276-2100). 5 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Delaware County page.
Borough of Millbourne does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Installation, repair, or modification of an on-lot sewage disposal system serving land inside Millbourne borough.
“Permits are required for the installation”
Soil and percolation testing for a proposed on-lot sewage disposal system serving land inside Millbourne borough.
“An agent of the Department must be present”
On-lot sewage disposal proposed for land inside Millbourne borough.
“must first obtain a permit from the Department.”
On-lot sewage disposal permitting for land inside Millbourne borough.
“Testing will not occur without this number.”
We looked and could not find an official answer yet. Silence is not permission; ask Borough of Millbourne or Delaware County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Borough of Millbourne publishes no rule on the point, not that none exists. Delaware County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Borough of Millbourne means bringing your own water and power. The kit we’d start with:
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