East Hartley above Backwater near Caldwell water level

Name: East Hartley above Backwater near Caldwell water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, East Hartley, Idaho, United States

Directions

Normal for mid-October

Water level

4.14ft Steady over the last 24 hours

Measured Oct 20, 2026, 10:45 AM PDT (32 min ago)

Flow: 22.5 cfs

History

7 days

Water level

What this means

Water levels are unremarkable at East Hartley above Backwater near Caldwell, where the gauge shows 4.14 ft.

It has barely moved over the past 24 hours. The 30-day range is 4.10 ft – 4.31 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 5 years of daily readings for this time of year. How to read levels

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

Weather at the gauge

No rain in the last 3 days.

17 Sat 75° 40° – Wind 9 mph

18 Sun 71° 38° – Wind 7 mph

19 Mon 79° 40° – Wind 17 mph

20 Tue 73° 50° – Wind 7 mph

21 Wed 71° 53° 0.14 in, 28% Wind 13 mph

22 Thu 68° 51° 0.04 in, 37% Wind 8 mph

23 Fri 66° 49° 0.01 in, 37% Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:08 AM Sunset 05:56 PM Daylight 10 hr, 49 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
West Hartley Gulch near CaldwellRiver gauge, West Hartley Gulch	6.9 cfs	Normal	−2.8 cfs	0.6 mi
Mason Creek at CaldwellRiver gauge, Mason Creek	56.5 cfs	Normal	±0	1.3 mi
Boise River at CaldwellRiver gauge, Boise River	502 cfs	Normal	−11.0 cfs	2.1 mi
South Middleton Drain at MiddletonRiver gauge, South Middleton Drain	38.7 cfs	Normal	−1.2 cfs	2.7 mi
North Middleton Drain Mill Slough at MiddletonRiver gauge, North Middleton Drain Mill Slough	24.8 cfs	Normal	−0.5 cfs	2.8 mi
Conway Gulch below 1st St at NotusRiver gauge, Conway Gulch	17.6 cfs	Normal	−0.2 cfs	7 mi
Lake Lowell and Deer Flat DamsLake	2,525.63 ft	High		9 mi
Dixie Drain near WilderRiver gauge, Dixie Drain	150 cfs	Normal	±0	11 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of East Hartley above Backwater near Caldwell today?

On Oct 20, 2026, 10:45 AM PDT, the water level was 4.14 ft. Steady over the last 24 hours.

Is East Hartley above Backwater near Caldwell rising or falling?

Steady over the last 24 hours.

Is the level of East Hartley above Backwater near Caldwell normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

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:132109867 (Agency page)
Coordinates: 43.70031, -116.67318 (WGS84)
Vertical datum: NAVD88
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
Water level	4.14 ft	2026-10-20 17:45	Provisional
Flow	22.5 cfs	2026-10-20 17:45	Provisional

Download

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How to cite

U.S. Geological Survey: East Hartley above Backwater near Caldwell (usgs:132109867). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/east-hartley-above-backwater-near-caldwell

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