NEPA · Wetlands · FEMA · Hydrology

NEPA Deliverables Without the GIS-Analyst Bottleneck

Watersheds, viewsheds, flood zones, terrain derivatives, land-cover classification, and multi-format regulatory submissions — automated for the federal agencies you actually deliver to.

The Problem

Where the time goes today

Every NEPA EIS, wetland delineation support package, and stormwater plan requires the same dozen spatial analyses, run by hand each project, in tools that don't talk to each other.

Dozens of spatial analyses per Environmental Impact Statement

$27.3B US environmental consulting market, almost entirely ESRI-shop

Hydrology pipelines rebuilt project-by-project

EPA / USACE / USFWS / FEMA each demand different deliverable formats

The Workflows

Environmental Engineering workflows on the platform

Sixteen workflows mapped to the spatial-analysis backbone of NEPA, Clean Water Act, and ESA compliance work.

Workflow Name & what it automates Time saved
#05Viewshed Analysis
Viewshed from observer location with optional ASTER GDEM fetch — for EIS visual-impact sections
#62Flood Risk Assessment
Spatial join against FEMA SFHA flood zones with per-asset classification
#41Slope Classification
Slope percentage / degree raster from DEM for terrain stability assessment
#43Vector Ruggedness Measure
Terrain ruggedness for habitat characterization and ESA consultation
#02Contour Generation
DEM-to-contour for topographic map sheets in regulatory submissions
#033D GeoPDF Export
Interactive 3D GeoPDF combining DEM + vector overlays for review portals
#33NDVI Vegetation Mapping
Multi-temporal NDVI for habitat condition and revegetation monitoring
#68Batch Format Conversion
Multi-format, multi-CRS output for EPA, USACE, USFWS, and FEMA submissions
#287LiDAR QA/QC Suite
USGS Lidar Base Specification compliance check before regulatory submission
#292Deliverable Compliance Checker
Validates package against agency-specific schemas and attribute requirements
#273Land Cover Change Detection
Multi-temporal classification with change matrix — long-term remediation monitoring
#276M3C2 LiDAR Epoch Comparison
cm-precision change with confidence intervals for landfill / remediation site tracking
The Math

ROI vs. manual processing

Modeled on a mid-sized environmental consulting firm running 40 concurrent NEPA / wetland projects.

Metric Manual / current tooling GeoDataConverter
Hydrology pipeline per project3–5 daysMinutes
Annual GIS labor on terrain derivatives$420,000$48,000
Format-conversion rework per submission8–12 hoursAutomated
Deliverable rejection rate10–15%<2%
Differentiator

WhiteboxTools hydrology pipeline as a single API call

DEM conditioning (breach + fill), D8 / D-infinity flow direction, flow accumulation, Strahler stream ordering, watershed delineation, and Topographic Wetness Index — all chained into one workflow you can call from a script, the chatbot, or the web UI. Outputs are agency-ready: GeoTIFF for terrain, Shapefile for vector, GeoPDF for the report sheet.

Free 5-Site NEPA Acceleration Trial

We'll re-run terrain derivatives and the hydrology pipeline on five of your active project sites and compare against your current ArcGIS / QGIS workflow.

  • 5 project sites processed end-to-end
  • Full hydrology + terrain derivative bundle
  • Side-by-side comparison report
  • Federal-agency-format deliverables