Facilities are a physical or logical extent of data that share similar properties or sampling goals.

The primary facility in the AQuIA database is 21IOWA, where nearly all of the surface water monitoring data conducted by the Iowa Department of Natural Resources are stored.

Facility Code Facility Name Description
21IOWA Iowa DNR Surface Water Monitoring Data
IowaGW Iowa DNR Groundwater Data
NEIARCD Northeast Iowa RC&D (USDA)
USACE/ISU US Army Corp of Engineers - Des Moines River
IASNAPST Iowa Watershed Snapshots
IASolidWaste Iowa DNR Solid Waste Monitoring Well Data