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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 | 1975-05-03 | 2023-11-03 | 439 | 12292 |
Information | 1975-08-16 | 2023-11-03 | 395 | 1006 |
Physical | 1975-05-03 | 2023-11-03 | 398 | 2806 |
Inorganics, Major, Metals | 1975-05-03 | 2023-08-16 | 112 | 794 |
Inorganics, Major, Non-metals | 1975-05-03 | 2023-11-02 | 358 | 1617 |
Nutrient | 1975-05-03 | 2023-08-16 | 112 | 1682 |
Microbiological | 1975-08-16 | 1993-09-09 | 63 | 131 |
Biological | 1975-08-16 | 1981-09-10 | 29 | 40 |
Inorganics, Minor, Metals | 1975-05-03 | 2023-08-16 | 108 | 2887 |
Inorganics, Minor, Non-metals | 1975-05-03 | 2023-08-16 | 108 | 452 |
Organics, other | 1975-05-03 | 2023-08-16 | 109 | 165 |
Radiochemical | 1981-03-19 | 2023-08-16 | 34 | 34 |
Sediment | 1975-05-03 | 2023-11-03 | 111 | 595 |
Population/Community | 1975-08-16 | 1981-09-10 | 25 | 83 |