State health official outlines limits and rules for on-site septic systems

Sep 12, 2025

An Indiana Department of Health manager described how on-site sewage systems work, when they are allowed, and the regulatory limits that affect replacement on constrained lake lots in Marshall County.

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Alice Quinn, manager of the Residential On‑Site Solutions program at the Indiana Department of Health, told the Marshall County Regional Sewer District board that on‑site sewage systems (commonly called septic systems) are regulated because improperly disposed wastewater can become a public‑health hazard.

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