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Streamflow Measurements for the Nation
Streamflow measurement pages will be decommissioned in early 2026.
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| HTML table with channel data |
| HTML table without channel data |
| Tab-separated data with channel data |
| Tab-separated data without channel data |
| Graph of data |
| Reselect output format |
| Meas. Number |
Date Time | Time Datum |
Measurement Used? |
Who | Measuring Agency |
Stream flow (ft3/s) |
Gage Height (ft) |
GH Change (ft) |
Meas. Duration (hr) |
Meas. Rated |
Control | Flow Adjust. Code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 32 | 2025-12-01 15:47:05 | AST | Yes | AAM/JMC | USGS | 103 | Poor | NONE | ||||
| 31 | 2025-08-13 13:15:03 | AST | No | |||||||||
| 30 | 2025-05-14 12:46:06 | AST | Yes | JMC/AAM | USGS | 406 | Fair | NONE | ||||
| 29 | 2025-02-12 12:47:16 | AST | Yes | DPR/AAM | USGS | 122 | Poor | NONE | ||||
| 28 | 2024-11-20 10:27:45 | AST | No | |||||||||
| 27 | 2023-05-24 09:44:19 | AST | No | |||||||||
| 26 | 2023-02-08 10:29:30 | AST | Yes | BLV/MRT | USGS | 39.1 | Poor | NONE | ||||
| 25 | 2022-11-16 10:23:37 | AST | Yes | AAM/LVA | USGS | 135 | Poor | NONE | ||||
| 24 | 2022-08-03 08:51:45 | AST | Yes | JSB/LVA | USGS | 54.2 | Poor | NONE | ||||
| 23 | 2021-05-05 10:10:30 | AST | Yes | AAM/LVA | USGS | 18.2 | Poor | NONE | ||||
| 22 | 2021-02-18 09:58 | AST | Yes | AAM/MRT | USGS | 90.2 | Poor | NONE | ||||
| 21 | 2020-11-12 12:42:30 | AST | Yes | AAM/JBS | USGS | 559 | Poor | NONE | ||||
| 20 | 2020-08-17 10:37:30 | AST | Yes | YMM/DSC | USGS | 167 | Poor | NONE | ||||
| 19 | 2020-05-04 09:17:30 | AST | Yes | JSB/LVA | USGS | 164 | Unspecified | NONE | ||||
| 18 | 2020-02-19 10:26:30 | AST | Yes | YMM/MRQ | USGS | 103 | Fair | NONE | ||||
| 17 | 2019-11-14 08:14:30 | AST | Yes | EHT/JBS | USGS | 163 | 0.50 | Good | NONE | |||
| 16 | 2019-08-07 09:09 | AST | Yes | CWB/JSB | USGS | 43.2 | Poor | NONE | ||||
| 15 | 2019-05-15 08:47:30 | AST | Yes | JSB/MRQ | USGS | 32.9 | Poor | NONE | ||||
| 14 | 2019-02-26 14:20:30 | AST | Yes | EHT/JSB | USGS | 62.7 | 0.55 | Fair | NONE | |||
| 13 | 2018-11-07 09:47 | AST | Yes | MRT /JSB | USGS | 413 | 0.55 | Poor | NONE | |||
| 12 | 2018-08-08 10:13:30 | AST | Yes | MRT/JSB | USGS | 48.7 | 1.08 | Good | NONE | |||
| 11 | 2018-05-21 11:16 | AST | Yes | MAQO/IMR | USGS | 157 | 0.00 | 0.50 | Fair | NONE | ||
| 10 | 2018-02-08 10:33 | AST | Yes | MRT/JSB | USGS | 149 | 0.88 | Good | NONE | |||
| 9 | 2017-08-23 10:02:30 | AST | Yes | LVA/MRT | USGS | 218 | Fair | Clear | NONE | |||
| 8 | 2017-06-05 10:21 | AST | Yes | JSB/MRT | USGS | 142 | Fair | NONE | ||||
| 7 | 2017-03-29 10:49:30 | AST | Yes | cdm, jsb | USGS | 156 | Fair | NONE | ||||
| 6 | 2016-11-16 09:25 | AST | Yes | MRT/JSB | USGS | 482 | 1.00 | Poor | NONE | |||
| 5 | 2016-09-21 11:47:30 | AST | Yes | MRT/JSB | USGS | 370 | Poor | NONE | ||||
| 4 | 2016-06-06 09:50 | AST | Yes | MRT/Y/J | USGS | 127 | 1.00 | Good | NONE | |||
| 3 | 2016-02-16 11:39:30 | AST | Yes | FTT/MRT | USGS | 50.7 | 1.30 | Good | NONE | |||
| 2 | 2015-11-04 09:35:30 | AST | Yes | BR/MR | USGS | 197 | Poor | NONE | ||||
| 1 | 2015-05-21 10:44:30 | AST | Yes | CG, IR | USGS | 243 | Fair | NONE |
U.S. Department of the Interior |
U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL:
Page Contact Information: Puerto Rico Water Data Support Team
Page Last Modified: 2025-12-29 16:49:00 EST
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