John Martin Reservoir at Caddoa water level
Reservoir, John Martin Reservoir, Colorado, United States
Right now
Latest reading
Surface elevation
History
What this means
John Martin Reservoir at Caddoa reads 3,805.59 ft as of Oct 19, 2026, 03:15 PM MDT. There is no published reference for this reservoir yet, so we can't say whether that is high or low for the season.
It has barely moved over the past 24 hours. In the last month it has stayed between 3,805.59 ft and 3,805.70 ft.
The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels
On the water at John Martin Reservoir at Caddoa
Watch the chart rather than the single number; it shows whether the shoreline is moving.
Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.
Weather at the gauge
Rain in the last 3 days: 0.06 in.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Arkansas River below John Martin ReservoirRiver gauge, Arkansas River | 24.9 cfs | Low | −55.6 cfs | 0.3 mi |
| Purgatoire River near Las AnimasRiver gauge, Purgatoire River | 2.62 ft | Below flood stage | +0.18 ft | 15 mi |
| Arkansas River at Las AnimasRiver gauge, Arkansas River | 4.7 cfs | Very low | ±0 | 15 mi |
| Arkansas River at LamarRiver gauge, Arkansas River | 5.74 ft | Below flood stage | +0.01 ft | 18 mi |
| Arkansas River near GranadaRiver gauge, Arkansas River | 76.7 cfs | Normal | −2.3 cfs | 34 mi |
| Timpas Creek at Mouth near SwinkRiver gauge, Timpas Creek | 30.8 cfs | Very low | −2.3 cfs | 39 mi |
| Purgatoire River at Rock Crossing near TimpasRiver gauge, Purgatoire River | 9.6 cfs | Low | −4.1 cfs | 47 mi |
Questions and answers
Is John Martin Reservoir at Caddoa really 3,805.59 ft deep?
No. 3,805.59 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of John Martin Reservoir at Caddoa today?
On Oct 19, 2026, 03:15 PM MDT, the surface elevation was 3,805.59 ft. Steady over the last 24 hours.
Is John Martin Reservoir at Caddoa rising or falling?
Steady over the last 24 hours.
Is the level of John Martin Reservoir at Caddoa normal?
The agency publishes no normal range for this gauge yet, so we show the trend only.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:07130000(Agency page)- Coordinates
38.06806, -102.93742(WGS84)- Vertical datum
- NGVD29
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Surface elevation | 3,805.59 ft | 2026-10-19 21:15 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: John Martin Reservoir at Caddoa (usgs:07130000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/colorado/john-martin-reservoir-at-caddoa
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer