The hydrogeology laboratory is equipped for field studies, laboratory experiments, and mathematical modeling of ground-water flow and chemical reactions. Equipment includes: 

• field pumps (submersible and peristaltic)
• two ISCO samplers
• combination pressure transducers/thermistors
• turbidity and EC sensors
• dataloggers
• pH/mV and conductivity meters with pH, Eh, EC, Cl^-, Br^-, and O₂ electrodes
• hand-held GPS unit
• water-level indicators
• current meter and wading rods
• stainless-steel temperature probes
• digital thermometer
• soil augers
• autotitrator
• glove box and glove bag
• autoclave
• electronic balance
• multichannel peristaltic pump
• four rotators
• jaw crusher and jar mill
• deionizer units and still
• two refrigerator/freezers
• two Pentium PCs with Ethernet connections
• modeling and mapping software, including GMS, SUTRA-GUI, ArcView, and SURFER.

• X-ray diffractometer
• electron microprobe
• a computer lab with networked PCs and Macintoshes
• a self-service rock-prep lab
• vehicles for field use.

• a new facility for light stable isotopes
• an inorganic/organic analytical facility with an inductively-coupled plasma spectrophotometer; gas and liquid chromatographs with mass spectrometers; a gas chromatograph with flame-ionization, electron-capture, and thermal conductivity detectors; a high performance liquid chromatograph, a UV/visible spectrophotometer, and a carbon analyzer
• a microbial facility with laminar flow hoods, a fluorescence microscope, spiral plating machine, automatic media dispenser, tissue-culture capability, temperature-control chambers, ultra-centrifuge, and a stomacher.