Carroll County, Iowa
Lidderdale is a city in Carroll County, Iowa. Septic permits inside Lidderdale come from the county and state together. 3 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Carroll County page.
Lidderdale does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Private sewage disposal systems (septic) on land inside Lidderdale city, Iowa. The state rule is set by the Iowa DNR; the local county board of health is the administrative authority that issues permits and inspects, and applies inside Lidderdale city as well as in the rest of the county.
““administrative authority” means the department or the local county board of health as authorized by iowa code section 455b.172 and chapter 137.”
New private sewage disposal systems installed on land inside Lidderdale city, and alterations of existing systems as described in 567 IAC 69.1(3)b. Issued by the administrative authority (the local county board of health) under the statewide rule.
“69.1(4) construction permit required. no psds shall be installed or altered as described in 69.1(3) “b” unless a construction permit issued by the administrative authority is obtained prior to construction.”
Newly constructed private sewage disposal systems on land inside Lidderdale city. The inspection is conducted by the administrative authority (the local county board of health).
“c. final inspections. the administrative authority shall conduct an at-location inspection of all newly constructed psdss before the system is backfilled. a final as-built drawing shall be made as part of the final inspection and kept on file with the construction permit.”
We looked and could not find an official answer yet. Silence is not permission; ask Lidderdale or Carroll 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 Lidderdale publishes no rule on the point, not that none exists. Carroll County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Lidderdale means bringing your own water and power. The kit we’d start with:
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