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 | 1967-05-15 | 2023-05-25 | 135 | 1615 |
Information | 1970-07-08 | 2023-05-25 | 125 | 215 |
Physical | 1967-05-15 | 2023-05-25 | 135 | 694 |
Inorganics, Major, Metals | 1967-05-15 | 1984-01-04 | 21 | 126 |
Inorganics, Major, Non-metals | 1967-05-15 | 2023-05-25 | 135 | 511 |
Nutrient | 1967-05-15 | 1975-09-09 | 11 | 22 |
Biological | 2015-08-27 | 2023-05-25 | 17 | 35 |
Inorganics, Minor, Metals | 1970-07-08 | 1975-09-09 | 4 | 7 |
Inorganics, Minor, Non-metals | 1971-04-21 | 1973-12-20 | 4 | 4 |
Radiochemical | 1981-02-11 | 1981-02-11 | 1 | 1 |