Page Loading - Please Wait...
Water Quality Samples for the Nation
Parameter Group | First Date |
Last Date |
Number of Samples |
Number of Values |
---|---|---|---|---|
All -- include all parameter groups | 1965-11-17 | 2023-10-10 | 232 | 2719 |
Information | 1969-12-30 | 2023-10-10 | 215 | 347 |
Physical | 1965-11-17 | 2023-10-10 | 229 | 1118 |
Inorganics, Major, Metals | 1965-11-17 | 1984-01-03 | 40 | 231 |
Inorganics, Major, Non-metals | 1965-11-17 | 2023-10-10 | 229 | 902 |
Nutrient | 1965-11-17 | 1976-08-24 | 29 | 57 |
Biological | 2015-08-26 | 2023-10-10 | 18 | 36 |
Inorganics, Minor, Metals | 1965-11-17 | 1976-08-24 | 9 | 17 |
Inorganics, Minor, Non-metals | 1965-11-17 | 1974-01-04 | 9 | 9 |
Organics, other | 1965-11-17 | 1965-11-17 | 1 | 1 |
Radiochemical | 1981-02-13 | 1981-02-13 | 1 | 1 |