![CEMP monitoring sites, resembling sheds, on the Sacramento-San Joaquin Delta house state-of-the-art water quality sampling and recording technology.](/-/media/DWR-Images/Delta/CEMP-thmb-03.jpg?mw=200&hash=C25F6EEF995B5615843E65346793E429)
You may have noticed them on trips down the Sacramento-San Joaquin Delta, small buildings, just 10 feet by 12 feet, sticking up out of the water. These buildings are part of the DWR Continuous Environmental Monitoring Program (CEMP) and house state-of-the-art water quality sampling and recording technology.