Dunklin County, Missouri
Cardwell is a city in Dunklin County, Missouri. Septic permits inside Cardwell come from the state health agency. 4 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Dunklin County page.
Cardwell does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
On-site sewage disposal systems inside Cardwell city limits when Cardwell or the county has not adopted the state standard.
“the department of health and senior services shall enforce the state standard until such time as the city or county adopts the standard;”
Construction, major modification, or major repair of an on-site sewage disposal system inside Cardwell city limits.
“Except as otherwise provided in section 701.031, no person may, on or after September 1, 1995, construct or make a major modification or major repair to an on-site sewage disposal system without first notifying the city, county or department and completing an application, upon a form provided by the department, submitting an application fee in the amount established by the city, county or department, and obtaining a construction permit.”
Sanitary sewage disposal for buildings where people live, work, or assemble inside Cardwell city limits.
“or shall be disposed of by discharging into an on-site sewage disposal system operated as defined by rules promulgated pursuant to sections 701.025 to 701.059.”
Development in a floodplain inside Cardwell city limits.
“Regardless, some type of permit MUST be issued for ALL development in the floodplain.”
We looked and could not find an official answer yet. Silence is not permission; ask Cardwell or Dunklin 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 Cardwell publishes no rule on the point, not that none exists. Dunklin County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Cardwell means bringing your own water and power. The kit we’d start with:
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