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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 | 2022-09-12 | 329 | 6739 |
Information | 1967-10-17 | 2022-09-12 | 329 | 515 |
Physical | 1967-10-17 | 2022-09-12 | 329 | 1951 |
Inorganics, Major, Metals | 1967-10-17 | 2000-03-20 | 148 | 825 |
Inorganics, Major, Non-metals | 1967-10-17 | 2022-09-12 | 328 | 1902 |
Nutrient | 1967-10-17 | 2000-03-20 | 176 | 1140 |
Inorganics, Minor, Metals | 1967-10-17 | 2000-03-20 | 202 | 404 |
Radiochemical | 1981-01-21 | 1981-01-21 | 2 | 2 |