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USGS Site ID: Site identification number permanently assigned to the well by the U.S. Geological
Survey and recorded in National Water Information System (NWIS), a national computer
database maintained by U.S. Geological Survey.
Well Log ID: Unique identifier combining a four-letter county-code and a well-log number with up
to 6 digits, which is assigned to the well when a water well report is filed by the
well driller with the Oregon Water Resources Department and recorded in
Ground Water Resource Information Distribution (GRID), a statewide computer database
maintained by Oregon Water Resources Department.
Sample Depth: The depth to the sample collection, in feet below land surface.
Unit code: The name of aquifer or geologic unit stored by the U.S. Geological
Survey in National Water Information System (NWIS), a national computer
database maintained by U.S. Geological Survey.
Major and trace elements: Major elements are listed in weight percent concentration and trace elements are listed in parts per million concentration. One percent equals 10,000 parts per million.
--, no data/unknown.
ND, non-detect
NA, not analysed
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Unit code |
UMATILLA MEMBER OF SADDLE MOUNTAINS BASALT |
BASALT OF LYONS FERRY OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF SENTINEL GAP OF FRENCHMAN SPRINGS MEMBER OF WANAPUM B |
BASALT OF SENTINEL GAP OF FRENCHMAN SPRINGS MEMBER OF WANAPUM B |
BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA |
BASALT OF GINKGO OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BASALT |
SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT |
SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT |
SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT |
SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT |
SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT |
SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT |