Lost Creek Reservoir: 87.6% full as of 2026-10-14

Historical Data

Date Percent Full Mean Water Level
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Today 2026-10-14 87.6 1,005.46 10,471 10,471 11,950 - n.a. -
Yesterday 2026-10-13 87.6 1,005.47 10,474 10,474 11,950 - n.a. -
2 days ago 2026-10-12 87.7 1,005.48 10,477 10,477 11,950 - n.a. -
1 week ago 2026-10-07 88.0 1,005.59 10,514 10,514 11,950 - n.a. -
1 month ago 2026-09-14 88.5 1,005.78 10,578 10,578 11,950 - n.a. -
3 months ago 2026-07-14 93.9 1,007.69 11,217 11,217 11,950 - n.a. -
6 months ago 2026-04-14 94.6 1,007.94 11,301 11,301 11,950 - n.a. -
1 year ago 2025-10-14 96.8 1,008.60 11,572 11,572 11,950 - n.a. -
*

Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

**

   Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.

Most Recent Instantaneous Water Level

Date/time Water Level
(ft) 		Conservation Pool Elevation
(ft) 		Height Above Conservation Pool
(ft)
Most recent 2026-10-14 05:15 1,005.46 1,009.50 -4.04
1 hour prior 2026-10-14 04:15 1,005.46 1,009.50 -4.04
2 hours prior 2026-10-14 03:15 1,005.46 1,009.50 -4.04
6 hours prior 2026-10-13 23:15 1,005.46 1,009.50 -4.04
12 hours prior 2026-10-13 17:15 1,005.47 1,009.50 -4.03
24 hours prior 2026-10-13 05:15 1,005.47 1,009.50 -4.03
48 hours prior 2026-10-12 05:15 1,005.48 1,009.50 -4.02
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1991-01-01
Vertical datum NGVD29
Top of dam elevation 1,028.90 ft above NGVD29
Conservation pool elevation 1,009.50 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

Historical Rating Curve
Data Source USGS:08042820
USGS Monitoring Location USGS:08042820

Lake Location