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| USGS 09429490 COLORADO RIVER ABOVE IMPERIAL DAM, AZ-CA |
| Data Type |
Begin Date |
End Date |
Count |
| Current / Historical Observations
(availability statement)
|
2016-12-27 | 2026-01-05 | |
| Daily Data |
| Temperature, water, degrees Celsius | 1973-10-16 | 2026-01-04 | 22017 |
| Discharge, cubic feet per second | 1976-10-01 | 2026-01-04 | 17993 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1971-10-01 | 2026-01-04 | 28805 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023-08-09 | 2026-01-04 | 2308 |
| pH, water, unfiltered, field, standard units | 2023-08-08 | 2026-01-05 | 3413 |
| Dissolved solids, water, filtered, sum of constituents, milligrams per liter | 2017-01-01 | 2026-01-05 | 3256 |
| Daily Statistics |
| Temperature, water, degrees Celsius | 1973-10-16 | 2025-09-07 | 7470 |
| Discharge, cubic feet per second | 1976-10-01 | 2025-11-29 | 17957 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1971-10-01 | 2025-11-13 | 10899 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023-08-09 | 2025-09-25 | 717 |
| pH, water, unfiltered, field, standard units | 2023-08-08 | 2025-11-13 | 807 |
| Dissolved solids, water, filtered, sum of constituents, milligrams per liter | 2017-01-01 | 2024-12-10 | 2868 |
| Monthly Statistics |
| Temperature, water, degrees Celsius | 1973-10 | 2025-09 | |
| Discharge, cubic feet per second | 1976-10 | 2025-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1971-10 | 2025-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023-08 | 2025-09 | |
| pH, water, unfiltered, field, standard units | 2023-08 | 2025-11 | |
| Dissolved solids, water, filtered, sum of constituents, milligrams per liter | 2017-01 | 2024-12 | |
| Annual Statistics |
| Temperature, water, degrees Celsius | 1974 | 2025 | |
| Discharge, cubic feet per second | 1977 | 2026 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1972 | 2026 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023 | 2025 | |
| pH, water, unfiltered, field, standard units | 2023 | 2026 | |
| Dissolved solids, water, filtered, sum of constituents, milligrams per liter | 2017 | 2025 | |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1964-11-05 | 2024-02-13 | 1241 |
| Water-Year Summary | 2006 | 2025 | 19 |
| Revisions |
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