Union Flat Creek trout stocking
Whitman County, Washington · stream
Union Flat Creek was last stocked 6 months ago (May 20, 2026). We have 9 stockings on record since May 19, 2017, 1 in the last 12 months (500 fish). Most stockings come in May. Species stocked: rainbow trout.
Last stocked
6 months ago
May 20, 2026
Next planned
Not announced
Last 12 months
1 stocking
500 fish
On record
9 stockings
since May 19, 2017
- Number 6 of 8 stocked waters in Whitman County by stocking days.
- Stocked about as often as a typical Washington water on our record.
When is Union Flat Creek stocked?
Most stockings come in May.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | |||||||||||
| 2025 | 1 | |||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | |||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2019 | 1 | |||||||||||
| 2018 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Rainbow trout | 9 | 4,420 | 491 |
Stocking history
20261 stocking · 500 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 20Latest Wednesday | Rainbow trout | 500 200 lb | 51 weeks | Tucannon Hatchery |
20251 stocking · 500 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 28 Wednesday | Rainbow trout | 500 200 lb | 372 days | Tucannon Hatchery |
20241 stocking · 500 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 21 Tuesday | Rainbow trout | 500 200 lb | 361 days | Tucannon Hatchery |
20231 stocking · 500 fish
- May 26 rainbow trout, 500 fish
20221 stocking · 500 fish
- May 27 rainbow trout, 500 fish
20211 stocking · 500 fish
- May 28 rainbow trout, 500 fish
20191 stocking · 520 fish
- May 24 rainbow trout, 520 fish
20181 stocking · 400 fish
- May 25 rainbow trout, 400 fish
20171 stocking · 500 fish
- May 19 rainbow trout, 500 fish
From Washington fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Washington fishing regulations.
Other stocked waters in Whitman County
- Rock Lakelakestocked Nov 4, 2026
- Garfield Pondpondstocked Jun 11, 2026
- Gilcrest Pondpondstocked May 29, 2026
- Pampa Pondpondstocked May 1, 2026
- Riparia Pondpondstocked Mar 5, 2026
- Heritage Hrdwrstocked Apr 12, 2019
- Busch Pondpondstocked May 10, 2018
All stocked waters in Whitman CountyStocked this week in Washington
Questions about Union Flat Creek
- When was Union Flat Creek last stocked?
- The latest reported stocking was May 20, 2026 (rainbow trout, 500 fish), according to Washington agency reports.
- How often is Union Flat Creek stocked?
- It was stocked once in the last 12 months. Across all years on record, most stockings come in May.
- Is Union Flat Creek stocked often?
- Number 6 of 8 stocked waters in Whitman County by stocking days. Stocked about as often as a typical Washington water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Union Flat Creek?
- Rainbow trout (9 stockings, 4,420 fish).