Lost Creek Reservoir
Morgan County · Northern region — Quiet state park water northeast of Croydon.
Current conditions
7,668af
Storage (-20.4% / 30d)
5950.7ft
Pool elevation
Stocking
Last stocked Jun 24, 2026 — splake (3,527 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Jun 24, 2026 | splake | 3,527 | 2.71" |
| May 19, 2026 | rainbow | 427 | 11.73" |
| May 18, 2026 | rainbow | 1,395 | 11.73" |
| May 11, 2026 | tiger trout | 2,744 | 9.26" |
| Apr 27, 2026 | cutthroat | 2,900 | 10.03" |
| Apr 27, 2026 | cutthroat | 3,205 | 10.03" |
| Apr 27, 2026 | cutthroat | 7,540 | 10.03" |
| Apr 22, 2026 | kokanee | 22,554 | 2.95" |
Species
cutthroat troutrainbow trout
Forecast
This Afternoon
85°F
Mostly Sunny
Tonight
53°F
Mostly Clear
Thursday
87°F
Sunny
Thursday Night
56°F
Mostly Clear
Friday
87°F
Mostly Sunny
Friday Night
55°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
31% precip
Saturday
81°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
24% precip
Saturday Night
52°F
Chance Showers And Thunderstorms
25% precip