Dubuque County, Iowa
New Vienna is a city in Dubuque County, Iowa. Septic permits inside New Vienna come from the county and state together. 6 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Dubuque County page.
New Vienna 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 on land inside New Vienna city (the state rule's local administrative authority is the local board of health)
““administrative authority” means the department and the local board of health as authorized by iowa code section 455b.172 and iowa code chapter 137.”
Installing or altering a private sewage disposal system on land inside New Vienna city, under the statewide rule
“69.1(4) construction permit required. no private sewage disposal system shall be installed or altered as described in paragraph 69.1(3)“c” unless a construction permit issued by the administrative authority has been obtained.”
Transfer of ownership of an existing building served by a private sewage disposal system on land inside New Vienna city
“prior to any transfer of ownership of a building where a person resides, congregates, or is employed that is served by a private sewage disposal system, the sewage disposal system serving the building shall be inspected.”
“all newly constructed private sewage disposal systems shall be inspected by the administrative authority before the system is backfilled or at a time prescribed by the administrative authority. a final as-built drawing shall be made as part of the final inspection.”
Buildings on land inside New Vienna city that are not served by a public sewer (off-grid sanitation)
“(3) when a potw is not available, every building wherein persons reside, congregate, or are employed shall be provided with an approved private sewage disposal system.”
Buildings on land inside New Vienna city where a publicly owned treatment works (sewer) is or becomes available; New Vienna city's own sewer availability was not confirmed
distance threshold for sewer availability: 200 feet (potw considered unavailable when more than 200 feet from any proposed building or exterior drainage facility on a lot that abuts and is served by the potw)
“no private sewage disposal system shall be installed, repaired, or rehabilitated where a publicly owned treatment works (potw) is available or where a local ordinance requires connection to a potw. the potw may be considered as unavailable when such potw, or any building or any exterior drainage facility connected thereto, is located more than 200 feet from any proposed building or exterior drainage facility on any lot or premises which abuts and is served by such potw. final determination of availability shall be made by the administrative authority.”
We looked and could not find an official answer yet. Silence is not permission; ask New Vienna or Dubuque 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 New Vienna publishes no rule on the point, not that none exists. Dubuque County’s page lists the county offices to call.
Off-grid gear
Going off-grid in New Vienna means bringing your own water and power. The kit we’d start with:
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