Scroll through the list of hydrologic instrumentation facilities to learn about community infrastructure available for your research.

The list is by no means comprehensive. Feedback or information regarding additional hydrologic facilities can be sent to

Critical Zone Observatories thumbnail Photo

Critical Zone Observatories

Each observatory site is an environmental laboratory studying the chemical, physical and biological processes; includes in situ measurements, sampling, remote sensing, and more.

IRIS PASSCAL thumbnail Photo


Seismic instrumentation; dataloggers; power systems; sensors; field procedures; data archive

UNAVCO thumbnail Photo


Geophysical instruments; monumentation & ancillary equipment; communications technologies; networking monitoring.