The San Gabriel Mountains Regional Conservancy (SGMRC) is a regional environmental non-profit organization[1] located in the foothill area of the eastern San Gabriel Valley.
SGMRC is currently the only environmental organization focused on: The Greater San Gabriel Valley is served, between the 14 and 15 Freeways – east/west, and the San Gabriel Mountains to the Puente Hills – north/south.
The SGMRC watershed study/plan (Reconnecting the San Gabriel Valley) covered 640 square miles (1,700 km2) of the Upper San Gabriel River and its tributaries, the largest single watershed study in Los Angeles County.
The Greater San Gabriel Valley includes almost a third of the population of Los Angeles County.
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