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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 | 1988-10-25 | 2024-02-27 | 293 | 17669 |
Information | 1988-10-25 | 2024-02-27 | 289 | 1585 |
Physical | 1988-10-25 | 2024-02-27 | 280 | 3805 |
Inorganics, Major, Metals | 1988-10-25 | 2023-10-30 | 263 | 1575 |
Inorganics, Major, Non-metals | 1988-10-25 | 2024-02-27 | 275 | 2794 |
Nutrient | 1988-10-25 | 2023-08-23 | 270 | 3794 |
Microbiological | 2002-10-16 | 2003-08-28 | 6 | 6 |
Biological | 2003-05-15 | 2014-09-10 | 8 | 48 |
Inorganics, Minor, Metals | 1988-11-21 | 2019-08-23 | 104 | 1104 |
Inorganics, Minor, Non-metals | 1988-11-21 | 2014-10-23 | 79 | 158 |
Organics, pesticide | 1988-11-21 | 2014-06-10 | 23 | 1634 |
Organics, PCBs | 1988-11-21 | 1993-01-05 | 12 | 12 |
Organics, other | 1988-10-25 | 2023-12-15 | 273 | 630 |
Radiochemical | 2014-06-10 | 2014-06-10 | 1 | 2 |
Stable Isotopes | 2014-06-05 | 2014-06-05 | 1 | 2 |
Sediment | 1988-10-25 | 2023-06-29 | 255 | 520 |