Hydrology Field Methods

ISCO Sampler

1. ISCO Samplers allow the automatic collection of water samplers

   • They are routinely used for rivers and streams
   • They are also widely used for sampling wastewater discharges

2. Check out the ISCO website at www.isco.com

3. The ISCO sampler consist of:

   • A programmable control unit
   • A battery that requires regular replacement for recharging
   • A hose that is placed in a location so that it can sample flow
   • A peristaltic pump that squeezes water in the hose to move it.
   • Sampling bottles

4. To program the unit, you must indicate the:

   • length, type, and diameter of tubing
   • height of water that must be lifted
   • size of the sample bottle
   • time increment for sampling