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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 | 1974-04-10 | 2016-10-12 | 251 | 10606 |
Information | 1974-12-17 | 2016-10-12 | 202 | 606 |
Physical | 1974-04-10 | 2016-10-12 | 251 | 3321 |
Inorganics, Major, Metals | 1974-10-01 | 2016-10-12 | 202 | 1219 |
Inorganics, Major, Non-metals | 1974-04-10 | 2016-10-12 | 214 | 1943 |
Nutrient | 1974-04-10 | 2007-08-07 | 148 | 1395 |
Biological | 2003-09-24 | 2007-08-27 | 2 | 12 |
Inorganics, Minor, Metals | 1974-04-10 | 2016-10-12 | 119 | 1171 |
Inorganics, Minor, Non-metals | 1974-04-10 | 2007-08-07 | 100 | 295 |
Organics, other | 1978-10-05 | 1981-06-02 | 13 | 22 |
Radiochemical | 1974-12-17 | 1981-07-07 | 11 | 31 |
Sediment | 1975-03-20 | 2016-10-12 | 180 | 591 |