Dodge County, Wisconsin
Town of Trenton is a town in Dodge County, Wisconsin. Septic permits inside Town of Trenton come from Dodge County (Dodge County Land Resources and Parks Department - Septic Systems · 920-386-3703). 3 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Dodge County page.
Building work inside the Town of Trenton, Dodge County, Wisconsin, including the listed new homes, additions, remodels, electrical service, commercial or industrial work, and demolitions.
“A permit must be obtained before work can begin or fees will be doubled. [...] Building Permit: New Homes, Home Additions, Home Remodels, Electrical Service Commercial/Industrial Structures, Additions, Remodels, Electrical Service Home or Structure Demolitions”
Town of Trenton does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Land inside the Town of Trenton, Dodge County, Wisconsin, which has adopted Dodge County zoning.
“Dodge County has adopted the Land Use Code which oversees the zoning of the towns which adopted Dodge County zoning. [...] Town of Trenton”
Private onsite wastewater treatment systems (septic systems) inside the Town of Trenton, which the Town identifies as being in Dodge County.
septic maintenance interval: per 3 years (Applies regardless of installation date.) · septic system county maintenance fee: 15 USD per maintenance cycle (A typical septic-system maintenance cycle is once every three years.) · holding tank county maintenance fee: 10 USD per year (Applies to holding-tank owners.) · maintenance completion deadline: 90 days (Measured from the date of Dodge County's notice letter.)
“This Department administers the sanitary provisions of the Dodge County Land Use Code and Chapter SPS. 383 of the Wisconsin Administrative Code, which regulate the installation and maintenance of Private Onsite Wastewater Treatment Systems (POWTS), better known as “septic systems”. [...] Dodge County residents will be notified by mail by the Dodge County Land Resources and Parks Department when it is time to have their system maintenance completed.”
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.
Off-grid gear
Going off-grid in Town of Trenton 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.