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Pinewood Reservoir and Rattlesnake water level

Reservoir, Colorado, United States

Directions

Very low for mid-October

Surface elevation

6,558.09ft Down 11.59 ft over the last 7 days

Water stored
626 acre‑ft
6,560 6,570

History

6,5606,570ftOct 14Oct 15Oct 16Oct 17Oct 186,5606,570ftOct 14Oct 16Oct 18
6,5606,570ftSep 21Sep 27Oct 4Oct 11Oct 186,5606,570ftSep 21Oct 4Oct 18
6,5606,5706,580ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20266,5606,5706,580ftOct 2025Apr 2026Oct 2026
6,5606,5706,580ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20266,5606,5706,580ftNov 2016Oct 2021Oct 2026
6,5606,5706,580ftJanMarMayJulSepNov20266,5606,5706,580ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Water is short at Pinewood Reservoir and Rattlesnake: the latest reading of 6,558.09 ft is far below normal for mid-October.

The median for mid-October is 6,572.74 ft, based on 29 years of readings, so the lake level is 14.65 ft below typical. On the same day last year the reading was 6,570.85 ft, a difference of −12.76 ft.

It is still going down, by 11.59 ft over the past week. With the water still dropping, the shoreline keeps moving out. The 30-day range is 6,558.09 ft – 6,573.54 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 29 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
6,572.74 ft14.65 ft below the median for this date
Normal for this date
6,560.00 ft – 6,577.31 ft8 years in 10 fall in this range (29 years of records)
Same day last year
6,570.85 ft−12.76 ft
Lowest and highest in 30 days
6,558.09 ft – 6,573.54 ft
Lowest and highest in 12 months
6,556.72 ft – 6,576.87 ft

Boating and fishing at Pinewood Reservoir and Rattlesnake

At low levels, launching can mean a long walk or a closed ramp, and shallow points stick out further than charts suggest.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

No rain in the last 3 days.

20 Tue 65° 47° 0.02 in Wind 13 mph
21 Wed 63° 50° – Wind 9 mph
22 Thu 62° 51° 0.04 in Wind 9 mph
23 Fri 73° 48° – Wind 20 mph
24 Sat 58° 40° – Wind 15 mph
25 Sun 43° 37° 0.37 in, 29% Wind 6 mph
26 Mon 51° 35° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:18 AM Sunset 06:15 PM Daylight 10 hr, 57 min First quarter 69%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Flatiron ReservoirReservoir 5,463.87 ft Very low 2.7 mi
Carter Lake ReservoirReservoir 5,708.92 ft Normal 5.0 mi
Lake Estes and OlympusLake 7,471.18 ft Normal 11 mi
Big Thompson River at LovelandRiver gauge, Big Thompson River 0.59 ft Below flood stage −0.01 ft 12 mi
Marys LakeLake 8,026.50 ft Very low 13 mi
Big Thompson below Moraine Park near Estes ParkRiver gauge, Big Thompson 9.8 cfs Low ±0 16 mi
Horsetooth ReservoirReservoir 5,412.04 ft Very high 17 mi
Left Hand Creek at Hover Road near LongmontRiver gauge, Left Hand Creek 0.8 cfs Very low ±0 18 mi

Questions and answers

Is Pinewood Reservoir and Rattlesnake higher than last year?

No, it is 12.76 ft lower than on the same day last year, when the reading was 6,570.85 ft.

What is a normal level for Pinewood Reservoir and Rattlesnake in mid-October?

The median for mid-October is 6,572.74 ft. In 8 years out of 10 the reading falls between 6,560.00 ft and 6,577.31 ft, based on 29 years of records.

Is Pinewood Reservoir and Rattlesnake really 6,558.09 ft deep?

No. 6,558.09 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 Pinewood Reservoir and Rattlesnake today?

On Oct 18, 2026, the surface elevation was 6,558.09 ft. Down 11.59 ft over the last 7 days.

Is Pinewood Reservoir and Rattlesnake rising or falling?

Down 11.59 ft over the last 7 days.

Is the level of Pinewood Reservoir and Rattlesnake normal?

Very low for mid-October. Compared with 29 years of daily readings for this time of year.

How often is this data updated?

The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Bureau of Reclamation
Station code
usbr:438 (Agency page)
Coordinates
40.36800, -105.28640 (WGS84)
Update interval
once a day
Licence
Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 6,558.09 ft 2026-10-18 06:00 Provisional
Water stored 626 acre‑ft 2026-10-18 06:00 Provisional

Download

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How to cite

U.S. Bureau of Reclamation: Pinewood Reservoir and Rattlesnake (usbr:438). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/colorado/pinewood-reservoir-and-rattlesnake

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