Tiro, Ohio
Inside Tiro's city limits, a shallow water table limits basements on 90% of mapped land, the 2nd-highest of 7 cities in Crawford County. Shrink-swell clay limits houses without basements on under 1%.
That water-table share is close to Crawford County's 93%. FEMA's flood data list no flood losses since 2016 in ZIP code 44887 overlapping the city. Of its 103 homes, 91% were built before 1980; the median dates from 1939 or earlier.
Data as of October 13, 2026 · sources · in Crawford 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 Tiro
Basement waterproofing in Tiro: a shallow water table limits basements on 90% of Tiro's mapped land, more than in 78% of Ohio cities.
About 100 of Tiro's 103 homes are detached houses.
Soil under Tiro city limits
| Expansive clay (limits slab homes) | 0.1% |
| High water table (limits basements) | 89.9% |
| Septic fields very limited | 89.9% |
| Clay swell (LEP, by area) | 3.0% |
| High-swell land (LEP 6%+) | 0.0% |
| Urban land, not rated | 5.0% |
| Mapped soil | 265 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Colwood | 32% | n/a |
| Bennington | 21% | 99% |
| Cardington | 17% | 99% |
| Pewamo | 8% | 99% |
| Tiro | 5% | n/a |
| Marengo | 3% | n/a |
What the numbers mean here
On 90% of Tiro's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 90% of the land very limited for septic absorption fields.
Drought in Crawford County
0% of Crawford 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 Tiro. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44887 | 100% | 0 | $0 |
Homes in Tiro
| Housing units | 103 |
| Median year built | 1939 or earlier |
| Built before 1980 | 91% |
| Built 2000 or later | 1% |
| Owner-occupied | 78% |
| Median value, owner-occupied | $50,700 |
| Single-family detached | 95% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| New Washington | 6 mi | under 1% | 90% |
| Shelby | 6 mi | 1% | 83% |
| Plymouth | 8 mi | under 1% | 71% |
| Crestline | 9 mi | under 1% | 71% |
| North Robinson | 9 mi | 1% | 77% |
| Chatfield | 10 mi | 1% | 98% |
| Shiloh | 10 mi | 4% | 86% |
| Willard | 10 mi | under 1% | 99% |
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