reservoir
Blanding Reservoir No 4
Fairconditions▲ was Tough yesterday
40°todayClear
Today’s report
Blanding Reservoir No 4 is a fair bet today. The DWR last stocked rainbow trout (2,005 fish) on August 31. Overnight's forecast: clear, 40°F.
Current conditions
Stocking
Last stocked Aug 31, 2026 — rainbow trout (2,005 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Aug 31, 2026 | rainbow trout | 2,005 | 10.91" |
| Jul 27, 2026 | tiger trout (brown × brook hybrid) | 4,506 | 3.03" |
| May 27, 2026 | rainbow trout | 1,456 | 10.12" |
| May 18, 2026 | rainbow trout | 1,820 | 10.12" |
| Apr 7, 2026 | rainbow trout | 1,680 | 10.94" |
| Oct 15, 2025 | rainbow trout | 1,540 | 10.16" |
| Aug 27, 2025 | rainbow trout | 2,009 | 9.32" |
| Jul 17, 2025 | tiger trout (brown × brook hybrid) | 4,524 | 3.03" |
Best time to fish Blanding Reservoir No 4
The DWR has stocked Blanding Reservoir No 4 27 times over the last 5 seasons, and 56% of those plants landed in March, April, August — the freshest fish and the easiest bite usually follow within a week or two of a stocking.
Species
Location
Nearby waters (within ~25 mi):
Blanding Reservoir No 3San Juan CountyFairDry Wash Reservoir — Abajo MtnsSan Juan CountyFairLloyds Lake — Abajo MtnsSan Juan CountyFairMonticello Lake — Abajo MtnsSan Juan CountyFair
Regulations
No water-specific rules listed for this water in the current Utah Fishing Guidebook — statewide general rules and daily limits apply (trout limit 4, combined). Verify in the current guidebook before you fish.
This week’s weather
Overnight
40°F
Clear
Friday
59°F
Sunny
Friday Night
41°F
Mostly Clear
Saturday
60°F
Sunny
Saturday Night
45°F
Mostly Cloudy
Sunday
58°F
Mostly Cloudy
Sunday Night
44°F
Partly Cloudy
Monday
61°F
Mostly Sunny
Monday Night
48°F
Chance Showers And Thunderstorms
35% precip
Tuesday
60°F
Showers And Thunderstorms Likely
59% precip