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Table of Contents | Chapter 1 | Chapter 2 | Chapter 3 | Chapter 4 | Chapter 5 | Chapter 6 | Chapter 7 | Chapter 8
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National Engineering Handbook

This section is not the offical site for the National Engineering Handbook. Users looking for the offical site should go to: http://policy.nrcs.usda.gov/

The previous filing system is not used on this page. The "Sections" have been replaced by "Parts'.

  • Section 3 - Sedimentation is filed under "Part 632 Sedimentation Geology"
  • Section 5 - Hydraulics
  • Section 6 - Structural Dams
  • Section 8 - Engineering Geology is filed under "Part 631 Geology"
  • Section 11 - Drop Spillways
  • Section 14 - Chute Spillways
  • Section 15 - Irrigation is filed under "Part 623 Irrigation"
  • Section 16 - Drainage of Agricultural Land
  • Section 18 - Ground Water will be replaced by "Part 631 Geology"
  • Section 19 - Construction Inspection

Part 600 - 609: General

  • Part 600 - Introduction
  • Part 601 - Authorizations
  • Part 602 - Engineering Responsibilities
  • Part 603 - Safety
  • Part 604 - Special Investigations, Studies, and Reports
  • Part 605 - Non-NRCS Engineering Services
  • Part 606 - Dam Safety

Part 610 - 619: Management

  • Part 610 - Planning
  • Part 611 - Design
  • Part 612 - Construction
  • Part 613 - Operation and Maintenance

Part 620 - 629: Application

  • Part 620 Soil and Water Resource Development
Part 621 - Pollution Abatement and Water Quality Improvement
Part 622 - Snow Survey and Water Supply Forecasting
Part 623 - Irrigation (formerly NEH Section 15)
Part 624 - Drainage (formerly NEH Section 16)
Part 625 - Soil Erosion Control and Reclamation
Part 626 - Water Supply and Development
Part 627 - Flood Prevention and Protection
Part 628 - Dams
Part 629 - Air Quality

Part 630 - 639: Technology

Part 630 - Hydrology
Part 631 - Geology (formerly Section 8 & Section 18)
Part 632 - Sedimentation Geology (formerly Section 3 - Sedimentation)
Part 633 - Soil Engineering
Part 635 - Landscape Architecture
Part 636 - Structural Engineering
Part 637 - Environmental Engineering
Part 638 - Hydrogeology
Part 639 - Erosion Control Engineering

Part 640 - 649: Support Operations

  • Part 640 - Field Surveys
Part 641 - Drafting and Drawing
Part 642 - Specifications for Construction Contracts (formerly Section 20)
  • Part 643 - Materials
  • Part 644 - Equipment
  • Part 645 - Engineering Technical Materials
Part 646 - Construction Inspection

Part 650 - 659: Field Office Handbooks

Part 651 - Agricultural Waste Management Field Handbook
Part 653 - Stream Corridor Restoration: Principles, Processes and Practices
Part 654 - Stream Restoration Design