Operation of Rain Gauge and Groundwater Monitoring Networks for the Imperial Valley Water Authority

The following annual reports from the Illinois State Water Survey (ISWS) provides monitoring data on precipitation and groundwater levels in the Imperial Valley region to learn how the groundwater resources respond to drought and seasonal irrigation, and to assess groundwater recharge.

2004 2005 2006 2007
2008 2009 2010 2011
2012 2013 2014 2015
2016 2017