Aroostook County, Maine
Town of Caswell is a town in Aroostook County, Maine. Septic permits inside Town of Caswell come from the county and state together. 3 rules below are quoted from official sources and independently re-checked, most recently on November 3, 2026. Rules for unincorporated land are on the Aroostook County page.
Town of Caswell does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Subsurface wastewater (septic) permitting for land inside Caswell town: the state sets the rule, and the permit is issued by the municipal local plumbing inspector
“a subsurface wastewater disposal system may not be installed until a permit is issued by the local plumbing inspector. the permit authorizes the installation of the disposal system in accordance with 10-144-cmr chapter 241.”
Installing a subsurface wastewater disposal (septic) system on land inside Caswell town; the state rule applies statewide and the permit is issued by the local plumbing inspector
“a subsurface wastewater disposal system may not be installed until a permit is issued by the local plumbing inspector.”
Inspection of a subsurface wastewater disposal (septic) system installed inside Caswell town, by the local plumbing inspector
“caution: lpi signature & inspection required”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Caswell or Aroostook 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 Town of Caswell publishes no rule on the point, not that none exists. Aroostook County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Caswell means bringing your own water and power. The kit we’d start with:
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