Spring 5 is located on the west side of the Rio Grande, approximately .5 mile from the river, tucked in a juniper forest, with poison ivy and prickly pear, next to mountainside.

Field Parameters: No specific conductance measurements taken; pH 7.85 at 20.7° C.
Flow:
Coordinates: NMED - DGPS: 1655018.9 1743195.26
Elevation: NMED - DGPS: 5511

Sampling on Thursday, May 1, 2003 in the afternoon.

• LANL/WQH took a 250 ml water sample for low-level perchlorate testing by the LC/MS/MS method.
  
• NMED helped LANL collect their samples. NMED took a 1 L water sample for the NMED Groundwater Bureau for nitrogen species, trace metals and anions and cations.