Tazewell County, Illinois
Washington Township is a township in Tazewell County, Illinois. Septic permits inside Washington Township come from Tazewell County (Tazewell County Health Department · 309-925-5511). 8 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Tazewell County page.
Washington Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New single- and two-family dwellings on land inside Washington township outside the City of Washington; the county issues the permit, not the township
“prior to the issuance of a building permit by the tazewell county community development department for construction of all structures other than commercial and industrial”
Zoning districts that apply to land inside Washington township outside the City of Washington, under Tazewell County zoning
“c-1 & c-2 20' 10' 5' 5' i-1 & i-2 20' 15' 10' 10'”
Agricultural districts A-1 and A-2 (and the source's CONS category) on land inside Washington township outside the City of Washington
principal structure rear yard setback: 50 ft · principal structure side yard setback: 30 ft · accessory structure rear yard setback: 25 ft · accessory structure side yard setback: 15 ft
“r-r 30' 30' 15' 15' a-1, a-2 & cons. 50' 30' 25' 15' c-1 & c-2 20' 10' 5' 5'”
“rear & side yard setbacks principal structure accessory structure rear side rear side r-1 & r-2 20' 10' 5' 5'”
“r-r 30' 30' 15' 15' a-1, a-2 & cons. 50' 30' 25' 15' c-1 & c-2 20' 10' 5' 5'”
Sewage disposal (septic) systems for new homes on land inside Washington township outside the City of Washington
“copy of septic permit from the tazewell county health department approving sewage disposal facility, when applicable.”
Residential building permit fees for construction on land inside Washington township outside the City of Washington
1 and 2 family dwelling permit, 200 sq ft or less: 200 USD · 1 and 2 family dwelling permit, 1,001 to 2,000 sq ft: 450 USD · electrical permit per dwelling unit: 55 USD · plumbing permit up to 16 fixtures: 55 USD · 911 addressing fee per unit: 50 USD
“failure to obtain a permit will result in doubling of the fee required. dwellings: 1 & 2 family - new, additions, alteration and repairs”
Building permit submittal for construction on land inside Washington township outside the City of Washington
“effective february 1, 2014 the following information will be required at the time of submittal of a building permit application.”
We looked and could not find an official answer yet. Silence is not permission; ask Washington Township or Tazewell 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 Washington Township publishes no rule on the point, not that none exists. Tazewell County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Washington Township means bringing your own water and power. The kit we’d start with:
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