Grundy County, TN Contractor directory
Excavation contractors in Grundy County, TN
3 verified excavating and site work contractors serving Grundy County.
County excavation guide
Ground conditions and project requirements in Grundy County
Use this local research to understand soil, seasonal constraints, permits, and jobsite logistics before choosing a contractor.
Skip to 3 contractorsSoil Regime ProfileEPA Ecoregion 68 (Southwestern Appalachians - Cumberland Plateau)
Cumberland Plateau Sandstone Caprock
Dominant Soil Order: Inceptisols / Ultisols
Parent Material: Pennsylvanian Quartzose Sandstone & Conglomerate Overlying Shale
The Cumberland Plateau is an elevated tableland capped by massive, horizontally bedded Pennsylvanian sandstone and conglomerate. Natural soil cover is shallow, typically consisting of 18 to 36 inches of strongly acidic, well-drained loam (Hartsells and Ramsey series) before terminating abruptly on hard quartz sandstone. Standard bucket teeth hit refusal almost immediately on commercial and residential job sites. Foundations, basements, and utility trenches routinely require heavy hydraulic hammers, rock saws, or controlled blasting. Excavated sandstone can often be crushed on-site for select backfill and pad riprap. Due to shallow depth to bedrock, conventional septic absorption fields frequently fail perk standards, necessitating advanced drip-dispersal systems.
Geographic Footprint:Tennessee (Cumberland, Putnam, Morgan, Scott), Alabama (Jackson, DeKalb)
Geotechnical Baseline
Physical Ground Conditions & Soil Properties
Shallow Bedrock (<50 in)
50.8%of county land area
High likelihood of bedrock refusal; hammer / ripper required for deep utilities.
High Shrink-Swell Clay
0.3%expansive soil
Low volumetric expansion risk in native subgrade.
Median Water Table Depth
20inches from surface
Shallow water table; active dewatering or sumps needed for deep trenching.
Hydric / Wetland Soils
1.2%hydric coverage
Indicates poor natural drainage and potential jurisdictional wetland pockets.
Steep Terrain (Slope >15%)
40.0%of terrain
Mountain/hilly terrain; terracing, benching, and tracked haulers frequent.
Septic Severe Limitations
84.0%severe rate
High rate of conventional drainfield limitations; engineered or drip systems often required.
Dominant Soil Textures:LoamSilt loamSandy loam
Surface Stones / Boulders: 46.8% coverage
Compliance & Permitting
Earthwork Regulations & Permit Thresholds
Stormwater & Erosion Control
TDEC NPDES Construction General Permit TNR100000 (1+ acre disturbance); SWPPP and NOI required before clearing
Administers NPDES stormwater discharge coverage for land-disturbing construction activities.
State Threshold:1.00 Acre
Local Threshold:Follows state
Grading Permit: Required locally
Onsite Wastewater & Utilities
TDEC Division of Water Resources , Grundy County Environmental Field Office
Jurisdiction over septic tank permits, soil evaluation perk tests, and drainfield sizing.
Housing on Septic:55.0%
Soil Evaluation:Site evaluation by TDEC-approved soil consultant (soil profile + morphology per Rule 0400-48-01); perc tests not accepted
811 One-Call Requirements
Tennessee 811
Mandatory notice window: 72 hours prior to mechanized earthwork (excluding weekends and legal holidays).
Licensing & Clearing Permits
Contractor License Threshold: Required for earthwork contracts exceeding $50,000 in Tennessee.
Burn Permit Season: Free burn permit required Oct 15 – May 15 statewide; check daily permit status by phone or BurnSafeTN.orgAuthority: Tennessee Department of Agriculture Division of Forestry (BurnSafeTN.org); TDEC open-burning rules also apply
Weather & Ecology
Seasonal Constraints & Clearing Windows
Design Frost Depth
12inches
Building code minimum depth for footing frost protection.
Frozen Ground Days
0days / year
Typical days with sub-freezing soil conditions affecting digging.
Supply Chain & Hazards
Logistics, Aggregate Sources & Geohazards
Aggregate & Material Supply
Mine #1
Nearest active quarry: 10.5 miles haul distance.(27 active crushed stone/sand operations within 50 miles).
Flood & Hazard Overlay
FEMA 100-Yr Flood:2.0%(100% NFHL digital map coverage)
NWI Wetlands:1.5%jurisdictional coverage
Karst Terrain & Sinkhole Risk: Present
13.2% of county underlain by soluble carbonate rock formations.
HUC8 Primary Watersheds:Upper Elk, Guntersville Lake, Collins, Sequatchie
Public conservation land: 0.5% (USGS PAD-US).
Area-specific FAQ
Do I need to call before digging in Grundy County?
Yes. You should contact Tennessee 811 at least 2 working days before any digging so underground lines can be marked.
How deep do footings need to be in Tennessee?
In Tennessee, footings typically need to extend below the frost line, which is around 12 inches here. A local contractor will confirm the code requirement for your site.
Verified local listings
Excavation contractors serving Grundy County
3 verified listings