St. Louis County, Missouri
Village of Champ is a village in St. Louis County, Missouri. Septic permits inside Village of Champ come from the county and state together. 3 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the St. Louis County page.
Village of Champ does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Onsite wastewater treatment systems inside Champ village where an onsite system is proposed.
“DHSS OWTS permitting falls under one of three authority types: DHSS Onsite Program, Local Authority (contract), or Local Authority via Ordinance. The application process varies by permitting authority.”
Installation or repair of most onsite wastewater treatment systems inside Champ village.
“A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting.”
Use of an onsite wastewater treatment system instead of central sewer service inside Champ village.
“A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting.”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Champ or St. Louis 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 Village of Champ publishes no rule on the point, not that none exists. St. Louis County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Champ means bringing your own water and power. The kit we’d start with:
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