Off-grid site report

Wayne County, TN

35.2415, -87.9178 · 538 ft elevation

Read this before you act on anything below. This is my researched starting point for Wayne County, TN, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.

The local rulesWayne County, TN

Zoning & raw-land occupancy

Unclear - verifyNo Wayne County zoning ordinance was found; Tennessee counties aren't required to zone. The City of Waynesboro has its own zoning ordinance, but that applies only inside city limits, not the unincorporated county. source

Dwellings, tiny homes & RVs

Unclear - verifyWaynesboro follows the state-adopted 2009 IRC through the state's residential inspection program, but whether Wayne County's unincorporated area has opted in or out of that program (counties may opt out by a two-thirds vote of their legislative body) is not confirmed. source

Building permits & codes

Unclear - verifyBuilding permits and state inspections are required inside Waynesboro city limits. No source confirms whether unincorporated Wayne County requires permits at all; ask the county directly. source

Septic & composting toilets

RestrictedWayne County is not one of the nine Tennessee counties that self-administer septic permitting, so septic permits here most likely go through the state agency TDEC directly rather than a county health department. source

Greywater reuse

Unclear - verifyNo Wayne County-specific greywater rule was found. This falls back to the state plumbing code's general allowances for subsurface-irrigation greywater systems, but local enforcement is unconfirmed; ask TDEC or the county if one exists.

Rainwater harvesting

Generally allowedNo Wayne County ordinance restricts rainwater collection, so this defaults to Tennessee's unrestricted state stance on rainwater harvesting.

Private wells & water rights

Generally allowedPrivate wells fall under Tennessee's statewide Water Well Act, requiring a state-licensed driller; no Wayne County-specific additional permitting was found.

Living disconnected from utilities

Varies locallyGoing off the electric grid is unrestricted statewide, and no Wayne County utility-hookup mandate was found. Any mandatory hookup rule near town lines would most likely come from the City of Waynesboro, not the county.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.0 hrs/day
Worst month (sizes an off-grid array): 3.5 hrs/day
Yearly output per 1 kW of panels: 1,340 kWh

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Weather1991-2020

Precipitation: 59 in/yr
Snowfall: 1 in/yr
Heating degree days: 4,005 (moderate)
Frost-free season: Apr 18 to Oct 21

How far help isstraight-line

Hospital Wayne Medical Center: 10.8 mi
Fire station Collinwood Volunteer Fire Department: 11.3 mi
Hardware store Collinwood Hardware: 11.2 mi
Grocery Piggly Wiggly: 10.7 mi

From OpenStreetMap. Road miles will be longer, often much longer in hill country.

Plan this spot

These open with this location's real numbers already filled in (ZIP 38475).

Size a solar system Heat loss & insulation Firewood per winter Rainwater harvest Garden size Panel tilt

Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 21, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.