Glossary for the NAWQA Data Warehouse (water quality)

These "Glossary" pages contain information about the NAWQA Program, the data base and retrievals, tables of codes used in the data warehouse, terminology/definitions, and how to report problems. (See the "Data Retrieval Tips" for additional information about navigating through the data-warehouse retrieval options).

• Background, brief explanation of data base, data retrievals-general guidance, example data retrievals

• Code Description Tables

Table 1. Medium Codes, Descriptions, and Definitions 
Table 2. Hydrologic Condition Codes 
Table 3. Hydrologic Event Codes
Table 4. Sample Type Codes 
Table 5. Analysis Types 
Table 6. Remark Codes 
Table 7. Primary Use of Site Codes 
Table 8. Primary Use of Water Codes 
Table 9. Parameter Codes, Fixed Values, and Parameter Names

• Search-criteria, table-output terminology, and definitions

• Reporting Problems