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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 | 1975-10-15 | 2017-09-21 | 168 | 7765 |
Information | 1977-02-15 | 2017-09-21 | 134 | 575 |
Physical | 1975-10-15 | 2017-09-21 | 168 | 2317 |
Inorganics, Major, Metals | 1975-10-15 | 2017-09-21 | 139 | 840 |
Inorganics, Major, Non-metals | 1975-10-15 | 2017-09-21 | 144 | 1326 |
Nutrient | 1975-10-15 | 2017-09-21 | 90 | 884 |
Biological | 2007-06-18 | 2007-06-18 | 1 | 6 |
Inorganics, Minor, Metals | 1975-10-15 | 2017-09-21 | 88 | 1124 |
Inorganics, Minor, Non-metals | 1975-10-15 | 2017-09-21 | 88 | 269 |
Organics, other | 1978-10-10 | 1985-08-13 | 15 | 29 |
Radiochemical | 1975-11-12 | 1981-06-16 | 5 | 12 |
Sediment | 1975-10-15 | 2017-09-21 | 136 | 383 |