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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 | 1973-01-29 | 2023-10-19 | 613 | 11626 |
Information | 1973-01-29 | 2023-10-19 | 601 | 1062 |
Physical | 1973-01-29 | 2023-10-19 | 590 | 3266 |
Inorganics, Major, Metals | 1973-01-29 | 2002-06-25 | 181 | 1076 |
Inorganics, Major, Non-metals | 1973-01-29 | 2023-10-19 | 590 | 2899 |
Nutrient | 1973-01-29 | 2002-06-25 | 288 | 2279 |
Microbiological | 1978-01-13 | 1981-08-20 | 12 | 12 |
Biological | 1978-01-13 | 2023-10-19 | 25 | 42 |
Inorganics, Minor, Metals | 1973-01-29 | 2002-06-25 | 291 | 758 |
Inorganics, Minor, Non-metals | 1978-06-16 | 1981-08-20 | 22 | 44 |
Radiochemical | 1981-02-12 | 1981-06-04 | 4 | 4 |
Population/Community | 1978-01-13 | 1981-08-20 | 12 | 184 |