Slide Color-graduated shaded relief map produced using ENPLAN precision LiDAR elevation data. On hand for
central Shasta, Tehama, and Siskiyou County urban regions as raw DEM, contours, TIN, or shaded relief.
Slide Touching encounter during biological survey for endangered species. Slide Anderson Community Development Portal-Wastewater Collection System Complete environmental compliance documentation, federal funding qualification and permitting support for over 100 municipal infrastructure improvement projects in Northern California. Slide Dixie Fire spreading rapidly north toward Lake Almanor Dixie Fire spreading rapidly north toward Lake Almanor as displayed in the ENPLAN Wildfire Viewer designed to track and anticipate wildfire progression. Slide Mount Shasta Ski Park . Comprehensive environmental analysis, compliance documentation and permit processing addressing State and federal requirements.

Environmental Impact Analysis and Compliance Documentation

  • CEQA/NEPA – all aspects 
  • Permit processing assistance
  • Phase I Environmental Site Assessments (ESA)
  • Wetland delineations
  • Section 404 permit processing
  • Biological surveys
  • Cultural resource surveys
  • Section 106 compliance

Geospatial Services and Products

  • Thematic web maps by subscription
  • Custom built web maps
  • Environmental Systems Management platforms
  • Geospatial assessment and analysis
  • GIS renovation and web implementation
  • Precision LiDAR elevation data for the north valley region
  • Wildfire risk assessment and modeling
  • Exploratory Spatial Data Analysis (ESDA)


Pit River bridge replacement – compliance support – funded through Caltrans Local Assistance program

Fall River Mills

Low-income housing funded by Rural Development – NEPA compliance

Red Bluff

Freshwater wetland creation – Elk Valley Road Widening

Del Norte County

Eagle Lake Marina reconstruction – CEQA compliance

Spalding, Lassen County

Wastewater treatment pond renovation funded by USEPA and Rural Development – delineation and permitting assistance

Fort Bidwell Reservation

Viewshed analysis for new CHP communication tower in Mono County – green overlay indicates locations from which tower is visible

California Department of General Services

Effluent evaporation pond liner used to prevent groundwater contamination – EIS

Eagle Lake Basin

Bald eagle monitoring overlooking Eagle Lake – Environmental Impact Statement (EIS) – Spalding CSD Wastewater System

Lassen County

Illegal dumping – Phase I Environmental Site Assessment (ESA)

Shasta County

Governor Schwarzenegger – Redding Veterans Home groundbreaking ceremony – CEQA Mitigation Monitoring

Marina on the North Coast – municipal GIS – our high resolution orthoimagery used as base for compilation and operation

City of Fort Bragg

Wastewater treatment clarifiers next to Pacific Ocean – GIS-based Infrastructure Asset Management System

City of Fort Bragg

Botanical survey – environmental constraints analysis for a planned industrial facility

Mount Shasta

Resident bat to be relocated – biological impact mitigation – Sacramento River Bridge Replacement

Glass electrical insulators used in mining operations circa 1930 – Archaeological Inventory

Flowering elderberry – host plant of the Threatened valley elderberry longhorn beetle – botanical survey and mitigation monitoring

Foothill yellow-legged frog – Buzzard Roost Road Bridge Replacement Project

Shasta County

Mill tailings thickener – Washington Mine — SMARA Compliance

French Gulch

Northern California Veterans Cemetery site plan – CEQA/NEPA compliance
Silt fence and erosion control blankets – Storm Water Pollution Prevention Plan (SWPPP) and monitoring – Construction General Permit (CGP)

Recording archaeological resources eligible for listing in the National Register of Historic Places (NRHP) and California Register of Historic Resources (CRHR)

northeastern California

Eagle Lake Marina reconstruction – CEQA compliance

Spalding, Lassen County

Ukiah Air Attack Base Relocation – Environmental Impact Report (EIR)

Mendocino County

Measuring stem diameters – valley elderberry longhorn beetle exit-hole survey
Chipped basalt core used prehistorically for tool production – Archaeological Inventory

Dust suppression in action – CEQA compliance – Sacramento River bridge demolition

Shasta County

Wastewater pond colonized by western pond turtle – survey and relocate turtles

Placer County

Bridge pile driving – noise monitoring – CEQA compliance

Fall River, Shasta County

Is there still gold in them hills? – Washington Mine – SMARA Compliance

French Gulch

Mount Shasta Ski Park – CEQA/ NEPA compliance documentation; mitigation design; plus permit processing meeting regulatory requirements of 11 municipal, state and federal agencies

Siskiyou County, CA

“Over 700 public and private sector clients have been served since 1980 by ENPLAN. We are committed to strategic implementation of client goals and technological optimization in all solutions delivered”.

Randall Hauser – CEO and Founder

Web Maps




Custom Maps

Development Portal



LiDAR Digital Elevation Data Products

Elevation Contours
Bare Earth DEM
Triangulated Irregular Network (TIN)
Canopy and Hardscape