You are Here:
/ Engineering Field Handbook, Part Two - Sub-county Rainfall Areas
This map shows the township delineated sub-county boundaries for new Engineers Field Handbook, Part 2 (EFH2) rainfall amounts. A specific design can be done with Win TR-20 where a more precise prediction is desired. The Win TR-20 software and training materials can be downloaded from NRCS's Hydrology and Hydraulics Web page.
Hydrologic Soil Groups
Storm Distribution Regions
Select a county from the map for a closer view of the sub-county rainfall areas used in the drop-down menu of EFH2.
Date: November 2012
Map created by: NRCS New York Geotechnology Team
Source Data: US Census - County Boundaries
Distribution Regions - NRCS National Technical Support Center
Sam Ly, Acting State Conservation Engineer
Syracuse, New York
E-mail: Sam Ly
NRCS Home | USDA.gov | Site Map | Civil Rights | FOIA | Plain Writing | Accessibility Statement