Santa Rosa covers a total land area of 5,543 hectares. It is almost entirely plain with 97.89% of its total land area having slopes ranging from 0.0 to 2.5% indicating level to nearly level lands. Only about 114 hectares or 2.06% of the total land area of the city is subject to erosion.


 Slope / Soil Erosion

Being primarily flat, the lands of Santa Rosa are subject by none to slight erosion.  The remaining areas experience no apparent erosion. There are two types of terrain in the city:

Level to very gently sloping.  Areas with slopes ranging from 0.0 to 2.5% are ideal for any sort of development.

Undulating to rolling terrain.  Areas characterized by slopes of 5.0 to 18.0%. Santa Rosa, mainly Sto. Domingo, has terrain with 2.6 to 5.0% slopes. Note that slope characteristics rate the southwestern portion, a section of Sto. Domingo, as fair.

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