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Hydrologic Criteria and Drainage Design Manual

NOTE: THIS IS AN OLD PAGE. Updated versions of this manual are available by clicking here.

To download or view the HCDDM, you will need to install Adobe Acrobat Reader. The reader is available for download from Adobe's web site.

Hydrologic Criteria and Drainage Design Manual:
Current Manual

Revisions Only:
April 2000 Revision only
February 2000 Section 200 Revision only
February 2000 Section 700 Revision only
February 2000 Section 800 Revision only
February 2000 Section 1600 Revision only
December 2001 Revision only
May 2006 Revision only
October 2010 Revision only

Current Manual By Section:
Section 100 - General Provisions
Section 200 - Drainage Planning and Submittal
Section 300 - Drainage Policy
Section 400 - Drainage Law
Section 500 - Rainfall
Section 600 - Storm Runoff
Section 700 - Open Channels
Section 800 - Storm Sewer Systems
Section 900 - Streets
Section 1000 - Culverts and Bridges
Section 1100 - Additional Hydraulic Structures
Section 1200 - Detention
Section 1300 - Erosion and Sedimentation
Section 1400 - Development on Alluvial Fans
Section 1500 - Structural Best Management Practices
Section 1600 - Local Entity Criteria
Subject Index
Standard Forms

There is also a binder version of the Hydrological Criteria and Drainage Design manual available. A copy can be purchased and picked up at the Regional Flood Control office or shipped to you.

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