Soil series profile

Pungo soil series

Pungo is a very poorly drained soil with a muck surface, mapped on 347,031 acres in 16 counties across 3 states. Hydrologic group A/D.

#950 by mapped area Typic Haplosaprists (Histosols)

Drainage class
Very poorly drained
100% of mapped acres
Hydrologic group
A/D
92% of mapped acres
Typical topsoil pH
3.2
extremely acidic · range 3.2–4.5
Mapped area
347k
acres in 16 counties, 3 states

Typical Pungo profile

Texture and pH by depth

Typical Pungo soil profile by depth 0 in 20 in 40 in 60 in 80 in 0–72 in · O · pH 3.2 Muck 72–84 in · Cg · pH 5.4 · 60% clay Clay
Depth to scale. More strongly shaded layers hold more clay. Horizon names are the soil survey's (A = topsoil, B = subsoil, C = parent material).
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Typical Pungo horizons (representative values)
Depth Texture pH Clay Sand Organic matter
0–72 in (O) Muck 3.2 Not reported Not reported 65%
72–84 in (Cg) Clay 5.4 60% 24% 2.5%

Representative values from the most extensive Pungo map unit (Pungo muck, 0 to 2 percent slopes, rarely flooded, survey area NC055). Other map units of this series vary within the series range.

Hands holding dark garden soil
Stock photo for illustration, not a sample of this soil series. Credit on the Sources & method page.

What this means

What Pungo soil means for gardens, lawns and septic systems

For gardens

Typical topsoil in Pungo soils is extremely acidic: pH 3.2 (most land between 3.2 and 4.5). Most vegetables and lawn grasses do best around 6.0 to 7.0, so lime is often needed; blueberries, azaleas and rhododendrons like it as it is.

Organic muck or peat is the most common topsoil (90% of mapped Pungo acres). It is rich and holds water, but is often wet, can be acidic, and settles when drained. The most common surface texture is muck (82% of mapped Pungo acres).

100% of mapped Pungo acres is somewhat poorly to very poorly drained, so soil stays soggy for long spells after rain and in wet seasons. Raised beds, plants that tolerate wet feet, and not working the soil while wet all help.

For lawns and yards

On >99% 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.

A seasonal high water table comes within 18 inches of the surface on 100% of mapped acres, often in spring. Basements, sump pumps and lawns in low spots feel it first.

For a septic system

For conventional septic absorption fields, NRCS rates 100% of the acres in mapped Pungo 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.

Flooding is mapped on 81% of the acres (0% occasional, 0% frequent).

Only a licensed site evaluation or perc test at the actual lot decides whether a system is allowed and which design.

Generated from the mapped numbers above using fixed rules, not a site visit. See how these notes are written.

Where Pungo soil is found

Mapped acres

Pungo is mapped in North Carolina, Virginia and South Carolina.

Counties with the most mapped Pungo soil
County Acres Share of county land
Dare County, NC 83,010 32.7%
Hyde County, NC 80,210 19.1%
Tyrrell County, NC 73,720 30.7%
Chesapeake city, VA 26,153 12.0%
Camden County, NC 22,296 15.3%
Washington County, NC 16,153 7.8%
Colleton County, SC 13,860 2.3%
Suffolk city, VA 12,717 5.5%
Gates County, NC 12,483 6.3%
Pasquotank County, NC 4,233 3.0%
Hampton County, SC 825 0.2%
Carteret County, NC 608 0.2%
Pamlico County, NC 356 0.2%
Beaufort County, NC 224 0.0%
Perquimans County, NC 154 0.1%
Chowan County, NC 29 0.0%

Septic absorption fields

NRCS rating, share of Pungo acres

Not limited 0%
Somewhat limited 0%
Very limited 100%
Septic tank absorption field rating across mapped Pungo acres. Scale 0 to 100% of mapped land.
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Septic tank absorption field rating across mapped Pungo acres.
CategoryShare of acres
Not limited0.0%
Somewhat limited0.0%
Very limited100.0%

Drainage, water table and flooding

Share of Pungo acres

Depth to seasonal high water table
About 0 inches (median where reported); within 18 inches on 100% of acres.
Flooding
Mapped as flooding on 81% of acres (0% occasional, 0% frequent).
Slope
Typically 0–1% (median 1%).
Topsoil organic matter
Median 65%.

Drainage class

Excessively drained 0%
Somewhat excessively drained 0%
Well drained 0%
Moderately well drained 0%
Somewhat poorly drained 0%
Poorly drained 0%
Very poorly drained 100%
Drainage class across mapped Pungo acres. Scale 0 to 100% of mapped land.
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Drainage class across mapped Pungo acres.
CategoryShare of acres
Excessively drained0.0%
Somewhat excessively drained0.0%
Well drained0.0%
Moderately well drained0.0%
Somewhat poorly drained0.0%
Poorly drained0.0%
Very poorly drained100.0%

Hydrologic soil group

A: fast infiltration (mostly sandy or gravelly) 0%
B: moderate infiltration 0%
C: slow infiltration 0%
D: very slow infiltration (clayey, shallow or wet) 0%
A/D: D as is, A if drained 92%
B/D: D as is, B if drained 8%
C/D: D as is, C if drained <1%
Hydrologic soil group across mapped Pungo acres. Scale 0 to 100% of mapped land.
Show as a table
Hydrologic soil group across mapped Pungo acres.
CategoryShare of acres
A: fast infiltration (mostly sandy or gravelly)0.0%
B: moderate infiltration0.0%
C: slow infiltration0.0%
D: very slow infiltration (clayey, shallow or wet)0.0%
A/D: D as is, A if drained92.2%
B/D: D as is, B if drained7.5%
C/D: D as is, C if drained0.2%

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 Pungo (component kind "Series") in SSURGO: 347,031 acres.
Method
Shares are by mapped acres of Pungo components. The profile comes from the single largest Pungo component. Full methodology.

Independent reference site. No government affiliation or endorsement.

Full narrative description: USDA Official Soil Series Description for Pungo.