Soil series profile
Krome soil series
Krome is a moderately well drained soil with a very gravelly marly loam surface, mapped on 47,080 acres in 1 county in FL. Hydrologic group D.
- Drainage class
- Moderately well drained 100% of mapped acres
- Hydrologic group
- D >99% of mapped acres
- Typical topsoil pH
- 8.0 moderately alkaline · range 8.0–8.0
- Mapped area
- 47k acres in 1 county, 1 state
Typical Krome profile
Texture and pH by depth
Show as a table
| Depth | Texture | pH | Clay | Sand | Organic matter |
|---|---|---|---|---|---|
| 0–7 in (Lmap) | Very gravelly marly loam | 8.0 | 15% | 44% | 6.5% |
| 7–17 in (R) | Bedrock | Not reported | Not reported | Not reported | Not reported |
What this means
What Krome soil means for gardens, lawns and septic systems
For gardens
Typical topsoil in Krome soils is moderately alkaline: pH 8.0. Acid-loving plants such as blueberries and azaleas struggle without amended beds, and some trees and shrubs show iron chlorosis (yellow leaves with green veins).
Loamy topsoil (loam, silt loam and similar) covers 100% of mapped Krome acres: generally the easiest soil to garden, holding moisture without staying waterlogged. The most common surface texture is very gravelly marly loam (>99% of mapped Krome acres).
100% of mapped Krome acres is moderately well to excessively drained, which suits most garden plants.
For lawns and yards
On 100% of mapped acres, rain soaks in slowly (hydrologic groups C and D, including dual groups that are D until drained). Expect runoff and puddles after heavy rain: core-aerate compacted lawns and keep ground sloping away from foundations.
For a septic system
For conventional septic absorption fields, NRCS rates 100% of the acres in mapped Krome soils very limited, 0% somewhat limited and 0% not limited.
Where the soil is very limited (slow permeability, a high water table, flooding, shallow bedrock or steep slopes), alternative systems such as mound or sand-filter designs are common and cost more.
Only a licensed site evaluation or perc test at the actual lot decides whether a system is allowed and which design.
Where Krome soil is found
Mapped acres
Krome is mapped in Florida.
| County | Acres | Share of county land |
|---|---|---|
| Miami-Dade County, FL | 47,044 | 7.1% |
Septic absorption fields
NRCS rating, share of Krome acres
Show as a table
| Category | Share of acres |
|---|---|
| Not limited | 0.0% |
| Somewhat limited | 0.0% |
| Very limited | 100.0% |
Drainage, water table and flooding
Share of Krome acres
- Depth to seasonal high water table
- About 4.1 feet (49 in) (median where reported); within 18 inches on <1% of acres.
- Flooding
- Not mapped as flooding on most acres.
- Slope
- Typically 1–1% (median 1%).
- Topsoil organic matter
- Median 6.5%.
Drainage class
Show as a table
| Category | Share of acres |
|---|---|
| Excessively drained | 0.0% |
| Somewhat excessively drained | 0.0% |
| Well drained | 0.0% |
| Moderately well drained | 100.0% |
| Somewhat poorly drained | 0.0% |
| Poorly drained | 0.0% |
| Very poorly drained | 0.0% |
Hydrologic soil group
Show as a table
| Category | Share of acres |
|---|---|
| A: fast infiltration (mostly sandy or gravelly) | 0.0% |
| B: moderate infiltration | 0.0% |
| C: slow infiltration | 0.0% |
| D: very slow infiltration (clayey, shallow or wet) | 99.9% |
| A/D: D as is, A if drained | 0.0% |
| B/D: D as is, B if drained | 0.0% |
| C/D: D as is, C if drained | 0.1% |
Sources & data dates
- Source
- USDA NRCS Soil Survey Geographic Database (SSURGO), queried through Soil Data Access. Public domain.
- Data date
- SSURGO as published on November 3, 2026 (most recent survey area update October 26, 2026). NRCS refreshes SSURGO each October.
- Scope
- All map unit components named Krome (component kind "Series") in SSURGO: 47,080 acres.
- Method
- Shares are by mapped acres of Krome components. The profile comes from the single largest Krome component. Full methodology.