Portneuf R. above Toponce Rd, near Chesterfield, Id water level

Name: Portneuf R. above Toponce Rd, near Chesterfield, Id 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, Portneuf R., Idaho, United States

Directions

Latest reading

Water level

18.13ft Steady over the last 24 hours

Measured Oct 21, 2026, 12:45 AM MDT (2 hours ago)

Flow: 1.9 cfs

History

7 days

Water level

What this means

The U.S. Geological Survey has the Portneuf R. above Toponce Rd, near Chesterfield, Id at 18.13 ft. There is no published reference for this river yet, so we can't say whether that is high or low for the season.

It has barely moved over the past 24 hours. The 30-day range is 18.11 ft – 18.13 ft.

Over the past seven days the change adds up to +0.01 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Paddling and fishing conditions

Compare today with the chart before you go; local outfitters often know which stage suits their stretch.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:49 AM Sunset 06:37 PM Daylight 10 hr, 48 min Waxing gibbous 75%

Map

Other gauges on the Portneuf R.

Gauge	Level	Compared with normal	24 hours	Distance
Portneuf R. at InkomRiver gauge, Portneuf R.	20.68 ft	No reference yet	−0.03 ft	17 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Portneuf River at TopazRiver gauge, Portneuf River	2.48 ft	Below flood stage	+0.03 ft	19 mi
Blackfoot River above Reservoir near HenryRiver gauge, Blackfoot River	1.63 ft	Below flood stage	±0	22 mi
Marsh Creek near McCammonRiver gauge, Marsh Creek	2.53 ft	Below flood stage	−0.03 ft	22 mi
Grays Lake Diversion to Blackfoot R Basin near WayanRiver gauge, Grays Lake Diversion to Blackfoot R Basin	0.0 cfs	Low	±0	24 mi
Portneuf River at PocatelloRiver gauge, Portneuf River	3.68 ft	Below flood stage	+0.02 ft	27 mi
Blackfoot River near ShelleyRiver gauge, Blackfoot River	5.48 ft	Below flood stage	±0	28 mi
Blackfoot River below North Canal at BlackfootRiver gauge, Blackfoot River	37.3 cfs	Very low	−52.6 cfs	29 mi
Blackfoot River Bypass near BlackfootRiver gauge, Blackfoot River Bypass	0.0 cfs	Very low	−14.3 cfs	31 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 Portneuf R. above Toponce Rd, near Chesterfield, Id today?

On Oct 21, 2026, 12:45 AM MDT, the water level was 18.13 ft. Steady over the last 24 hours.

Is Portneuf R. above Toponce Rd, near Chesterfield, Id rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Portneuf R. above Toponce Rd, near Chesterfield, Id 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:13071010 (Agency page)
Coordinates: 42.86975, -111.93421 (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	18.13 ft	2026-10-21 06:45	Provisional
Flow	1.9 cfs	2026-10-21 06:45	Provisional

Download

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How to cite

U.S. Geological Survey: Portneuf R. above Toponce Rd, near Chesterfield, Id (usgs:13071010). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/portneuf-r-above-toponce-rd-near-chesterfield-id

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