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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 | 1974-04-03 | 2020-09-09 | 322 | 14213 |
Information | 1976-08-11 | 2020-09-09 | 256 | 909 |
Physical | 1974-04-03 | 2020-09-09 | 304 | 4493 |
Inorganics, Major, Metals | 1974-04-03 | 2020-09-09 | 289 | 1743 |
Inorganics, Major, Non-metals | 1974-04-03 | 2020-09-09 | 303 | 2670 |
Nutrient | 1974-04-03 | 2007-08-07 | 117 | 1083 |
Microbiological | 1976-08-11 | 1983-09-20 | 48 | 49 |
Biological | 1976-08-11 | 2007-08-29 | 7 | 22 |
Inorganics, Minor, Metals | 1974-04-03 | 2020-09-09 | 252 | 2080 |
Inorganics, Minor, Non-metals | 1974-04-03 | 2020-09-09 | 252 | 770 |
Organics, other | 1975-07-04 | 1980-09-09 | 22 | 30 |
Sediment | 1976-08-11 | 2007-08-07 | 52 | 166 |
Population/Community | 1976-08-11 | 1980-08-21 | 12 | 198 |