Dubuque County, Iowa
Sherrill is a city in Dubuque County, Iowa. Septic permits inside Sherrill come from the county and state together. 4 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.
Sherrill 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 Sherrill city limits (Dubuque County, Iowa). The administrative authority is the state department or the local county board of health.
“"administrative authority" means the department or the local county board of health as authorized by iowa code section 455b.172 and chapter 137.”
Installing or altering a private sewage disposal system on land inside Sherrill city limits
“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 Sherrill city limits
“the administrative authority shall conduct an at-location inspection of all newly constructed psdss before the system is backfilled.”
New or repaired private sewage disposal systems on land inside Sherrill city limits. Sherrill city's own sewer-connection ordinance was not located.
public sewer availability distance: 200 feet (measured to a proposed building or exterior drainage facility on a lot that abuts and is served by a potw)
“no psds 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.”
We looked and could not find an official answer yet. Silence is not permission; ask Sherrill 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 Sherrill 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 Sherrill means bringing your own water and power. The kit we’d start with:
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.