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Water Quality Samples for the Nation
Parameter Group | First Date |
Last Date |
Number of Samples |
Number of Values |
---|---|---|---|---|
All -- include all parameter groups | 1985-10-16 | 2023-10-11 | 455 | 20620 |
Information | 1985-10-16 | 2023-10-11 | 423 | 1663 |
Physical | 1985-10-16 | 2023-10-11 | 455 | 6434 |
Inorganics, Major, Metals | 1985-11-04 | 2023-10-11 | 314 | 1879 |
Inorganics, Major, Non-metals | 1985-11-04 | 2023-10-11 | 330 | 3356 |
Nutrient | 1985-11-04 | 2023-08-15 | 212 | 1996 |
Microbiological | 1985-11-04 | 1988-07-28 | 11 | 11 |
Biological | 2003-09-25 | 2007-08-28 | 2 | 12 |
Inorganics, Minor, Metals | 1985-11-04 | 2023-10-11 | 231 | 3519 |
Inorganics, Minor, Non-metals | 1985-11-04 | 2023-10-11 | 230 | 868 |
Organics, pesticide | 1986-06-25 | 1988-09-24 | 10 | 60 |
Organics, other | 2019-07-24 | 2023-10-11 | 38 | 38 |
Radiochemical | 2001-05-15 | 2002-09-16 | 17 | 17 |
Sediment | 2000-06-21 | 2023-06-07 | 263 | 767 |