This is a delivery order awarded by the U.S. Geological Survey (USGS) to OTT Hydromet Corp, a manufacturer of hydrological and meteorological monitoring equipment and services. The order, valued at $430,751.00, was issued against an indefinite delivery, indefinite quantity (IDIQ) contract held by OTT Hydromet with the USGS. The contract is for the delivery of streamgaging equipment, water quality sensors, satellite data transmitters, and technical support to aid USGS water resource measurement and management programs. OTT Hydromet has received over $33 million in prior USGS delivery orders under this IDIQ contract vehicle. The award did not utilize a small business set-aside.