Bureau of Soils and Water Management

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hydrologic soil group in norzagaray bulacan

Requested from BSWM by Florence Samonte at 12:45 AM on Jul 07, 2018.
Purpose: thesis
Date of Coverage: 07/07/2018 - 07/07/2018
Tracking no: #BSWM-234737505995

Florence 12:45 AM, Jul 07, 2018

Good day!

I would like to request for the hydrologic soil group of Norzagaray Bulacan which I need for runoff computations. 

Thank you.

FOI Receiving 05:38 PM, Oct 18, 2018

October 18, 2018

Dear Florence,

Thank you for your request dated Jul 07, 2018 under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for hydrologic soil group in norzagaray bulacan.

Please be informed that BSWM was given user's login and access only last October 12, 2018. 

In response to your data request, please be informed that based on our data, Sibul clay is the dominant soil type in Norzagaray. It consists of moderately deep fine clayey soils. The soil belongs to Soil Group D, soils having high run-off potential. High swelling capacity, and very shallow soils underlain by dense clay horizons in reference to our Training Manual on Hydrology and Engineering Design for Small Water Impounding Project (SWIP). The recommended retention rate for Hydrologic Group D (USBR) is 0.04 inches /hour. 

For further inquiries, you may contact us through Water Resources Management Division at telephone no (02) 923-0454.

Should you have any questions regarding your request, kindly contact me using the reply function on the eFOI portal at https://www.foi.gov.ph/requests/aglzfmVmb2ktcGhyHgsSB0NvbnRlbnQiEUJTV00tMjM0NzM3NTA1OTk1DA, for request with ticket number #BSWM-234737505995.

Thank you.


FOI Receiving Officer

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