HomeOhioDelaware CountyPowell
Powell, Ohio
Inside Powell's city limits, a shallow water table limits basements on 71% of mapped land, higher than 55% of Ohio cities. Shrink-swell clay limits houses without basements on 12%, the 4th-highest of 7 cities in Delaware County.
That water-table share is below Delaware County's 84%. FEMA's flood data list 3 flood losses since 2016 in ZIP code 43065 overlapping the city. Of its 5,669 homes, 4% were built before 1980; the median dates from 2001.
Data as of October 13, 2026 · sources · in Delaware 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 Powell
Basement waterproofing in Powell: a shallow water table limits basements on 71% of Powell's mapped land, more than in 55% of Ohio cities, and the ZIP code overlapping Powell logged 3 FEMA flood losses since 2016.
About 4,600 of Powell's 5,669 homes are detached houses.
Soil under Powell city limits
| Expansive clay (limits slab homes) | 12.1% |
| High water table (limits basements) | 70.7% |
| Septic fields very limited | 74.5% |
| Clay swell (LEP, by area) | 4.7% |
| High-swell land (LEP 6%+) | 0.5% |
| Urban land, not rated | 10.0% |
| Mapped soil | 3,736 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Blount | 29% | over 99% |
| Glynwood | 29% | over 99% |
| Pewamo | 13% | 99% |
| Lybrand | 4% | n/a |
| Bennington | 1% | 99% |
| Cardington | 1% | 99% |
What the numbers mean here
On 71% of Powell's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 74% of the land very limited for septic absorption fields.
Drought in Delaware County
0% of Delaware 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 Powell. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43065 | 100% | 3 | $3,447 |
Homes in Powell
| Housing units | 5,669 |
| Median year built | 2001 |
| Built before 1980 | 4% |
| Built 2000 or later | 53% |
| Owner-occupied | 88% |
| Median value, owner-occupied | $561,500 |
| Single-family detached | 80% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Shawnee Hills | 3 mi | 6% | 94% |
| Dublin | 5 mi | 26% | 79% |
| Worthington | 6 mi | under 1% | 49% |
| Riverlea | 7 mi | 0% | 35% |
| Delaware | 8 mi | 23% | 72% |
| Westerville | 9 mi | 5% | 63% |
| Ostrander | 10 mi | 4% | 86% |
| Upper Arlington | 10 mi | 2% | 47% |
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