Zoning, building permits and septic rules in Hanna Township, Illinois

Rules another office applies inside Hanna Township

Hanna Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

• Local zoningPresent (with conditions)

  Land in unincorporated Henry County, Illinois, including unincorporated land inside Hanna township, where no township or municipal zoning applies

  • The county ordinance covers all land outside incorporated areas (article VI, section 6.1), so it reaches unincorporated land in Hanna township.
  • Township or municipal zoning, if adopted, would govern instead; Hanna township's own zoning status was not verified.
  • Ordinance is adopted under Chapter 34, Illinois Revised Statutes.

  “an ordinance establishing comprehensive zoning regulations for the unincorporated area of henry county, and providing for the administration, enforcement and amendment process thereof”

• Zoning districtsPublished (with conditions)

  Zoning districts for land in unincorporated Henry County, including unincorporated land in Hanna township

  • Districts are AG-1, AG-2, CO-1, HI-1, R-1 to R-5, B-1, M-1 and others as listed in section 6.1; the district maps are kept by the zoning enforcing officer and are set out as township maps.
  • Maps were referenced but not opened; per-parcel district assignment for Hanna township was not verified.

  “all land lying outside of the incorporated areas in henry county is hereby divided into the following districts”

• SetbacksSpecified

  Agricultural buildings and structures on land used for agricultural purposes in unincorporated Henry County, including unincorporated land in Hanna township. Not a residential dwelling setback.

  • Applies to buildings on land exempted as agricultural; residential R-1 setbacks in section 7.6 were not retrieved.
  • Where a setback regulation conflicts with a front-yard regulation, front-yard rules apply on township and private roads (section 7.6 cross-reference, not retrieved).

  setback from township/private road right-of-way: >= 40 feet (measured from common right-of-way/property line boundary; 73 feet from r.o.w. centerline on roads with 66-foot r.o.w. and 65 feet from r.o.w. centerline on roads with 50-foot r.o.w.)

  “township/private roads – 40 feet back from common right-ofway/property line boundary”

• Manufactured homesLimited

  Manufactured homes and manufactured housing on land in unincorporated Henry County, including unincorporated land in Hanna township

  • The ordinance sets sub-rules for HUD-code and state-code units; the retrieved text was cut off before the permitted locations and conditions, so the full limits were not confirmed.
  • Township or municipal rules, if any, would govern instead.

  “manufactured homes/housing in unincorporated henry county shall be regulated as follows:”

• Who permits septicState (with conditions)

  Installation of private sewage disposal systems with no surface discharge (septic tanks, seepage fields) in Hanna township, which is in Illinois

  • About 90 local health agencies in Illinois also review sewage system plans, either under a local ordinance or as IDPH's agent. Whether the Henry County Health Department does this was not verified.
  • The county FAQ names the Henry County Health Department (309-852-0197) as the source of septic and well information, which is a contact point, not a verified permit authority.

  “regulates the installation of all private sewage disposal systems”

• Septic permitRequired

  New private sewage disposal systems (septic, seepage field) built in Hanna township, which is in Illinois

  • Plans must be reviewed and approved before construction, by IDPH or a local health agency acting as its agent.
  • Henry County procedure, fees and application forms were not found.

  “review and approve plans [...] before construction.”

• Agricultural exemptionConditional

  Land and farm dwellings or farm structures used for agricultural purposes in unincorporated Henry County, including unincorporated land in Hanna township

  • The exemption applies only while the land or buildings are used for agricultural purposes.
  • The claimant must show the property and buildings are primarily adapted and used for agricultural purposes.
  • Agricultural buildings and land uses remain subject to federal, state or local floodplain rules, and to the minimum road setbacks.

  “be construed to apply to land, farm dwellings and farm structures which are used for agricultural purposes, while so used.”

• Building in a floodplainRequired

  Development (building, depositing, excavating) in the designated Henry County floodplain in unincorporated Hanna township, including agricultural buildings

  • Applies only inside the designated Henry County floodplain.
  • Applies even to agricultural buildings and land uses that are otherwise exempt.

  “agricultural buildings and land uses are not exempt from complying with any federal, state or local regulations concerning developing, depositing or excavating in or on the designated henry county floodplain.”

• Permit processPartial

  Submitting and paying for building permit applications for unincorporated Hanna township land, through the Henry County Zoning & Building Department

  • The FAQ gives payment mechanics only; the application steps and review timelines were not found.
  • Online payment is not accepted for building permits, per the FAQ.

  “Checks should be made payable to "Henry County"”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Hanna Township or Henry County directly.

• Owner-builder exemption — Owner-builder exemption from county permits for owner-occupied homes in unincorporated Hanna township
• Building code adopted — Which building code, if any, Henry County applies to construction in unincorporated Hanna township
• Inspections — Inspections of new construction in unincorporated Hanna township
• Certificate of occupancy — Certificate of occupancy for new dwellings in unincorporated Hanna township
• Minimum dwelling size — Minimum dwelling size in the R-1 single family residence district (main single-family district) in unincorporated Hanna township

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.