Excavation contractor jobsite in Clark County, NV

Clark County, NV Contractor directory

Excavation contractors in Clark County, NV

27 verified excavating and site work contractors serving Clark County.

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County excavation guide

Ground conditions and project requirements in Clark County

Use this local research to understand soil, seasonal constraints, permits, and jobsite logistics before choosing a contractor.

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Soil Regime ProfileEPA Ecoregion 13, 14 (Central Basin and Range, Mojave Basin and Range)

Nevada Basin-and-Range Desert Alluvium & Caliche

Dominant Soil Order: Aridisols / Entisols
Parent Material: Basin-fill alluvium and fan deposits of mixed granitic, volcanic, and carbonate detritus over volcanic and sedimentary bedrock

Nevada county sites sit in alternating north-south mountain ranges and broad alluvial basins. Valley soils are young Aridisols and Entisols, loam, silt loam, and sandy loam over gravelly fan deposits, that dig easily in the upper profile but commonly hit cemented calcic hardpan (caliche) and duripans within a few feet. Excavation difficulty is set less by soil texture than by this restrictive layer: shallow bedrock or caliche occurs across roughly 19–54 percent of county land, and trenching for septic systems, foundations, and utilities frequently requires ripping or rock excavation in upland fan positions. Slopes over 15 percent cover 22–60 percent of most counties, concentrating buildable land on valley floors. Expansive clays are rare (typically under 3 percent high shrink-swell), and hydric soils are sparse except in playa and spring-fed margins, so the dominant construction risks are caliche refusal, shallow lithic bedrock, groundwater perched above playa sediments, and extreme aridity that complicates compaction and dust control.

Geographic Footprint:Nevada's Great Basin counties (Churchill, Clark, Elko, Esmeralda, Eureka, Humboldt, Lander, Lincoln, Lyon, Mineral, Nye, Pershing, White Pine) share dry basin-fill profiles with calcic horizons: diggable loam-to-sandy-loam surfaces over caliche or shallow bedrock, low shrink-swell, and slope-driven site selection. Septic siting hinges on depth to restrictive layers and floodplain setbacks on alluvial fans.
Geotechnical Baseline

Physical Ground Conditions & Soil Properties

Shallow Bedrock (<50 in)
47.3%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
17inches from surface

Shallow water table; active dewatering or sumps needed for deep trenching.

Hydric / Wetland Soils
0.3%hydric coverage

Indicates poor natural drainage and potential jurisdictional wetland pockets.

Steep Terrain (Slope >15%)
53.7%of terrain

Mountain/hilly terrain; terracing, benching, and tracked haulers frequent.

Septic Severe Limitations
83.6%severe rate

High rate of conventional drainfield limitations; engineered or drip systems often required.

Dominant Soil Textures:Sandy loamLoamFine sandy loam
Surface Stones / Boulders: 87.9% coverage
Compliance & Permitting

Earthwork Regulations & Permit Thresholds

Stormwater & Erosion Control
NDEP NPDES Construction General Permit NVG011000 (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
NDEP Bureau of Safe Drinking Water , Clark area onsite wastewater program

Jurisdiction over septic tank permits, soil evaluation perk tests, and drainfield sizing.

Housing on Septic:35.0%
Soil Evaluation:Site evaluation by NDEP-certified installer/engineer; soil profile and percolation test per NAC 445A.9698
Access Septic Permitting Portal →
811 One-Call Requirements
USA Dig (Underground Service Alert of Nevada, 811)

Mandatory notice window: 48 hours prior to mechanized earthwork (excluding weekends and legal holidays).

Licensing & Clearing Permits
Contractor License Threshold: Required for earthwork contracts exceeding $1,000 in Nevada.
Burn Permit Season: Open burning generally allowed Oct–May and banned Jun–Sep in most districts (fire season); Clark/Washoe require daily AQ permitsAuthority: NDEP Bureau of Air Pollution Control open-burning rules; local fire protection districts set daily burn status
Weather & Ecology

Seasonal Constraints & Clearing Windows

Design Frost Depth
24inches

Building code minimum depth for footing frost protection.

Frozen Ground Days
0days / year

Typical days with sub-freezing soil conditions affecting digging.

Wet Season Months
January, February

Peak precipitation window requiring sediment traps and soil aeration.

Supply Chain & Hazards

Logistics, Aggregate Sources & Geohazards

Aggregate & Material Supply
Apex Landfill

Nearest active quarry: 3.8 miles haul distance.(30 active crushed stone/sand operations within 50 miles).

Flood & Hazard Overlay
FEMA 100-Yr Flood:4.4%(100% NFHL digital map coverage)
NWI Wetlands:1.6%jurisdictional coverage
Karst Terrain & Sinkhole Risk: Low

26.1% of county underlain by soluble carbonate rock formations.

HUC8 Primary Watersheds:Piute Wash, Ivanpah-Pahrump Valleys, Upper Amargosa, Sand Spring-Tikaboo Valleys, Meadow Valley Wash, Detrital Wash
Public conservation land: 100.0% (USGS PAD-US).

Area-specific FAQ

Do I need to call before digging in Clark County?

Yes. You should contact Nevada 811 at least 2 working days before any digging so underground lines can be marked.

Verified local listings

Excavation contractors serving Clark County

27 verified listings (showing first 20)

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