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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 | 1967-10-17 | 2023-09-05 | 693 | 12614 |
Information | 1967-10-17 | 2023-09-05 | 693 | 1219 |
Physical | 1967-10-17 | 2023-09-05 | 693 | 3853 |
Inorganics, Major, Metals | 1972-01-25 | 2023-09-05 | 205 | 1204 |
Inorganics, Major, Non-metals | 1967-10-17 | 2023-09-05 | 693 | 3447 |
Nutrient | 1972-01-25 | 2023-09-05 | 273 | 2284 |
Biological | 2014-06-04 | 2023-09-05 | 20 | 28 |
Inorganics, Minor, Metals | 1967-10-17 | 2023-09-05 | 290 | 579 |