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McKay Reservoir water level

Reservoir, Oregon, United States

Directions

Right now

Normal for mid-October

Surface elevation

1,248.74ft Down 3.47 ft over the last 7 days

Water stored
13,790 acre‑ft
1,250 1,260

History

History
1,2501,2601,270ftOct 11Oct 12Oct 13Oct 14Oct 161,2501,2601,270ftOct 11Oct 13Oct 16
1,2601,280ftSep 18Sep 25Oct 2Oct 9Oct 161,2601,280ftSep 18Oct 2Oct 16
1,2501,300ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20261,2501,300ftOct 2025Apr 2026Oct 2026
1,2501,300ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20261,2501,300ftOct 2016Oct 2021Oct 2026
1,2501,300ftJanMarMayJulSepNov20261,2501,300ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

The lake level at McKay Reservoir reads 1,248.74 ft, about where it usually sits at this time of year.

The median for mid-October is 1,253.01 ft, based on 36 years of readings, so the lake level is 4.27 ft below typical. On the same day last year the reading was 1,245.55 ft, a difference of +3.19 ft.

It is still going down, by 3.47 ft over the past week. The 30-day range is 1,248.74 ft – 1,258.60 ft.

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

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1,253.01 ft4.27 ft below the median for this date
Normal for this date
1,242.89 ft – 1,266.82 ft8 years in 10 fall in this range (36 years of records)
Same day last year
1,245.55 ft+3.19 ft
Lowest and highest in 30 days
1,248.74 ft – 1,258.60 ft
Lowest and highest in 12 months
1,227.35 ft – 1,307.92 ft

Boating and fishing at McKay Reservoir

A lake in its usual range is what most ramps, docks and swimming areas are built for.

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.

17 Sat 71° 42° – Wind 15 mph
18 Sun 65° 42° – Wind 6 mph
19 Mon 63° 46° – Wind 6 mph
20 Tue 64° 50° – Wind 8 mph
21 Wed 67° 47° 0.07 in Wind 6 mph
22 Thu 70° 53° – Wind 10 mph
23 Fri 63° 47° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:15 AM Sunset 06:07 PM Daylight 10 hr, 53 min First quarter 44%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Umatilla River at W Reservation Bndy near PendletonRiver gauge, Umatilla River 49.6 cfs Low −1.3 cfs 5.4 mi
Meacham Creek at GibbonRiver gauge, Meacham Creek 10.3 cfs Very low ±0 22 mi
Umatilla River above Meacham Creek, near GibbonRiver gauge, Umatilla River 2.73 ft Below flood stage ±0 24 mi
Cold Springs ReservoirReservoir 580.84 ft Normal 25 mi
Walla Walla River near TouchetRiver gauge, Walla Walla River 2.54 ft Low +0.01 ft 29 mi
Umatilla River near UmatillaRiver gauge, Umatilla River 148 cfs Normal +3.0 cfs 33 mi
Mill Creek at Last Chance Road Branch near College PlaceRiver gauge, Mill Creek 18.4 cfs Normal ±0 35 mi
Willow Creek above Willow Creek Lake, near HeppnerRiver gauge, Willow Creek 0.8 cfs Low −0.1 cfs 39 mi

Questions and answers

Is McKay Reservoir higher than last year?

Yes, it is 3.19 ft higher than on the same day last year, when the reading was 1,245.55 ft.

What is a normal level for McKay Reservoir in mid-October?

The median for mid-October is 1,253.01 ft. In 8 years out of 10 the reading falls between 1,242.89 ft and 1,266.82 ft, based on 36 years of records.

Is McKay Reservoir really 1,248.74 ft deep?

No. 1,248.74 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 McKay Reservoir today?

On Oct 16, 2026, the surface elevation was 1,248.74 ft. Down 3.47 ft over the last 7 days.

Is McKay Reservoir rising or falling?

Down 3.47 ft over the last 7 days.

Is the level of McKay Reservoir normal?

Normal for mid-October. Compared with 36 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:3664 (Agency page)
Coordinates
45.60541, -118.79577 (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 1,248.74 ft 2026-10-16 07:00 Provisional
Water stored 13,790 acre‑ft 2026-10-16 07:00 Provisional

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How to cite

U.S. Bureau of Reclamation: McKay Reservoir (usbr:3664). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/mckay-reservoir

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.