Groundwater Data MapView data from any well in the Yolo Subbasin. The YSGA monitoring network contains over 500 wells that are either measured continuously (red dots) or twice a year (blue dots). 69 wells (yellow) are reported to the state for compliance with SGMA.
Spring 2023 Groundwater Levels in the Yolo SubbasinThe YSGA's 62 Representative Monitoring Wells throughout the Subbasin are each measured at least twice per year. The graph above shows the average water depth among all 62 wells and represents the general condition of the basin.
