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Attica, Ohio
Inside Attica's city limits, a shallow water table limits basements on 98% of mapped land, the 4th-highest of 7 cities in Seneca County. Shrink-swell clay limits houses without basements on 15%.
That water-table share is above Seneca County's 89%. FEMA's flood data list no flood losses since 2016 in ZIP code 44807 overlapping the city. Of its 353 homes, 79% were built before 1980; the median dates from 1953.
Data as of October 13, 2026 · sources · in Seneca County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Basement waterproofing in Attica
Basement waterproofing in Attica: a shallow water table limits basements on 98% of Attica's mapped land, more than in 91% of Ohio cities.
About 300 of Attica's 353 homes are detached houses.
Soil under Attica city limits
| Expansive clay (limits slab homes) | 14.6% |
| High water table (limits basements) | 98.1% |
| Septic fields very limited | 98.1% |
| Clay swell (LEP, by area) | 4.0% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 440 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Tiro | 38% | n/a |
| Blount | 27% | over 99% |
| Pandora | 11% | n/a |
| Glynwood | 8% | over 99% |
| Bennington | 3% | 99% |
| Pewamo | 2% | 99% |
What the numbers mean here
On 98% of Attica's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 98% of the land very limited for septic absorption fields.
Drought in Seneca County
0% of Seneca County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Attica. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44807 | 100% | 0 | $0 |
Homes in Attica
| Housing units | 353 |
| Median year built | 1953 |
| Built before 1980 | 79% |
| Built 2000 or later | 4% |
| Owner-occupied | 74% |
| Median value, owner-occupied | $113,800 |
| Single-family detached | 75% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Bloomville | 7 mi | 8% | 99% |
| New Washington | 7 mi | under 1% | 90% |
| Republic | 8 mi | 18% | 99% |
| Chatfield | 8 mi | 1% | 98% |
| Willard | 9 mi | under 1% | 99% |
| Plymouth | 12 mi | under 1% | 71% |
| Tiro | 12 mi | under 1% | 90% |
| North Fairfield | 15 mi | under 1% | 49% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status