SepticRecord

Seneca County

Septic services in Tiffin, Ohio

Operators based within 12 miles of Tiffin

Listed by where the business is, not by who it says it serves. Every operator here was on the ODH 2026 sewage treatment system bond lists on the date its record shows, and the address it is placed by comes from that same list, so this is a checkable claim rather than a service-area promise. An Ohio bond covers work in any health district in the state, though each district registers its contractors separately, so operators further out can work here too; these are simply the ones closest to you.

Soil and septic suitability around Tiffin

The USDA has already rated this ground for exactly one use: a septic tank absorption field. Within 4 miles of Tiffin — 32,049 acres across 56 soil map units — it rates 92.9% of the land very limited for that use and 0% somewhat limited, and almost none with no limitation at all.

What the limitation actually is

A rating on its own tells you nothing you can act on. The reasons do, and around Tiffin the leading one is depth to saturated zone on 79.6% of the mapped area, followed by slow water movement on 57.7%. In full:

Limiting featureShare of areaWhat it means on site
Depth to saturated zone79.6%A seasonal water table sits too close to the surface
Slow water movement57.7%Water moves through the soil too slowly for a drain field to keep up
Seepage, bottom layer22.2%The layer beneath the trench is porous enough that effluent could reach groundwater without being filtered
Ponding19.3%Water stands on the surface
Flooding6.8%The site floods often enough to matter

Shares overlap: most soils here are limited for more than one reason at once, so these do not sum to 92.9%.

The soils themselves

The named soils and land types that make up most of the ground around Tiffin. Blount alone accounts for 19.2% of it.

Soil or land typeShareDrainageSlopeDepth to bedrockSeptic rating
Blount19.2% Somewhat poorly drained 0 to 6% None in profile Very limited
Digby11.4% Somewhat poorly drained 1 to 4% None in profile Very limited
Hoytville7.5% Very poorly drained 0 to 1% None in profile Very limited
Nappanee7.1% Somewhat poorly drained 0 to 6% None in profile Very limited
Haskins6.7% Somewhat poorly drained 0 to 6% None in profile Very limited

“None in profile” means SSURGO records no bedrock or other restrictive layer within the depth it describes, not that none exists.

Area of interest: a 4-mile radius around the USGS Geographic Names centre point for Tiffin (GNIS 1086956, 41.1149, -83.1805), chosen because five of this state's communities are unincorporated and have no boundary to use, and because the lots that need a septic permit are in the ring around a town rather than inside it. Soil from USDA-NRCS Soil Data Access, SSURGO interpretation “ENG - Septic Tank Absorption Fields”, area-weighted by mapped acreage and by each component's share of its map unit. Survey areas: Seneca County, Ohio (2025-09-08). Retrieved 2026-09-18.

This is a survey, not an evaluation of your lot. The permit decision rests on the site evaluation ODH carries out for the specific parcel.

By service

Permitting in Seneca County

In Seneca County a septic (sewage treatment system) permit is issued by the local board of health, not by the state. The Ohio Department of Health writes the rules; the health district applies them and registers the contractors who work in it. See the Seneca County detail →