Rocky Arroyo (Rio Hondo)
Streamflow, conditions and background by watershed segment. Data through November 1, 2026.
Data gaps and disparities
Found automatically in the gauge records behind this river, and notes from a reviewer who checked them against other sources. Gauges need at least 26 weeks of daily data to appear on the Flow tab.
Warnings (1)
- warning: gap Rocky Arroyo Blw Rocky Dam, NM: 1 gap of 60+ days inside the record (15,798 days in all). Longest: Sep 30, 1980 to Dec 31, 2023 (15,798 days).
Context (3)
Show 3 notes
- ended Discontinued gauges: 1 gauge has stopped reporting: Rocky Arroyo Ab Two Rivers Res Nr Roswell, NM (last 1980). Their segments rest on fewer gauges after those years.
- zero run Rocky Arroyo Ab Two Rivers Res Nr Roswell, NM: 16 runs of 60+ days at zero flow; longest 1,341 days from Oct 25, 1974; 708 days from Sep 11, 1972. Usually real (a dry channel or no release), not missing data.
- zero run Rocky Arroyo Blw Rocky Dam, NM: 24 runs of 60+ days at zero flow; longest 1,044 days from Jul 24, 1975; 683 days from Sep 18, 1972. Usually real (a dry channel or no release), not missing data.
Values removed (0)
A reading is removed automatically only when it is impossible (for example, a daily mean above the highest flow USGS recorded that water year). Low and zero flows are never removed: rivers here really do dry up.
None.
Gauges
Each row is one physical gauge; "published by" lists every agency copy that was merged into it.
| Gauge | Segment | Published by | First | Last | Weeks |
|---|---|---|---|---|---|
| Rocky Arroyo Ab Two Rivers Res Nr Roswell, NM | Rio Hondo | usgs | 1963-04-29 | 1980-09-22 | 909 |
| Rocky Arroyo Blw Rocky Dam, NM | Rio Hondo | usgs | 1963-04-29 | 2026-10-26 | 1057 |