Technical Resources

National Engineering Manual

Last Modified: 04/15/2008

The National Engineering Manual and Oklahoma Supplements.

The items on this page are intended for use by NRCS employees or other qualified persons only.

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Contents	National Version	State Supplement
Download Entire Manual	Manual	All OK supplements
Cover	Cover
Table of Contents	Table of Contents
Subpart A - General Foreward Part 500 - Introduction Part 501 - Authorizations Part 502 - Responsibilities Part 503 - Safety Part 504 - Investigations, Studies and Reports Part 505 - Non-NRCS Engineering Part 506 - Technical Materials	Subpart A - General	Subpart A OK supplements
Subpart B - Management Part 510 - Planning Part 511 - Design Part 512 - Construction Part 513 - Operation and Maintenance	Subpart B - Management	Subpart B OK supplements
Subpart C - Applications Part 520 - Streams and Channels Part 521 - Water Quality Part 522 - Water Supply and Conservation Part 523 - Irrigation Part 524 - Drainage Part 525 - Restoration Part 526 - Stormwater Management Part 527 - Wetlands Part 528 - Dams Part 529 - Air Quality	Subpart C - Applications	Subpart C OK supplements
Subpart D - Technology Part 530 - Hydrology Part 531 - Geology Part 532 - Biological Engineering Part 533 - Soils Engineering Part 534 - Hydraulic Engineering Part 535 - Landscape Architecture Part 536 - Structural Engineering Part 537 - Environmental Engineering	Subpart D - Technology	Subpart D OK supplements
Subpart E - Support Part 540 - Field Surveys Part 541 - Drafting and Drawings Part 542 - Specifications Part 543 - Materials Part 544 - Equipment Part 545 - Engineering Quality Assurance	Subpart E - Support	Subpart E OK supplements
		OK supplement to NEM