Ancient Lake S trout stocking
Grant County, Washington · lake
Ancient Lake S was last stocked 6 months ago (May 7, 2026). We have 10 stockings on record since Oct 21, 2016, 1 in the last 12 months (1,850 fish). Most stockings come in October. Species stocked: rainbow trout.
Last stocked
6 months ago
May 7, 2026
Next planned
Not announced
Last 12 months
1 stocking
1,850 fish
On record
10 stockings
since Oct 21, 2016
- Number 29 of 87 stocked waters in Grant County by stocking days.
- Stocked about as often as a typical Washington water on our record.
When is Ancient Lake S stocked?
Most stockings come in October.
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 | |||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 | |||||||||||
| 2018 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Rainbow trout | 10 | 18,270 | 1,827 |
Stocking history
20261 stocking · 1,850 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 7Latest Thursday | Rainbow trout | 1,850 18 lb | 414 days | Columbia Basin Hatchery |
20251 stocking · 1,953 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Mar 19 Wednesday | Rainbow trout | 1,953 19 lb | 370 days | Columbia Basin Hatchery |
20241 stocking · 1,800 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Mar 14 Thursday | Rainbow trout | 1,800 21 lb | 519 days | Columbia Basin Hatchery |
20221 stocking · 1,800 fish
- Oct 12 rainbow trout, 1,800 fish
20211 stocking · 1,808 fish
- Oct 11 rainbow trout, 1,808 fish
20201 stocking · 1,800 fish
- Oct 30 rainbow trout, 1,800 fish
20191 stocking · 1,824 fish
- Oct 18 rainbow trout, 1,824 fish
20181 stocking · 1,811 fish
- Oct 12 rainbow trout, 1,811 fish
20171 stocking · 1,805 fish
- Oct 20 rainbow trout, 1,805 fish
20161 stocking · 1,819 fish
- Oct 21 rainbow trout, 1,819 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 Grant County
- Potholes Reservoirlakestocked Oct 22, 2026
- Banks Lakelakestocked Oct 6, 2026
- Lake Lenorelakestocked Oct 6, 2026
- Lower Hampton Lakelakestocked Oct 6, 2026
- Warden Lakelakestocked Oct 5, 2026
- Blue Lakelakestocked Sep 28, 2026
- Park Lakelakestocked Sep 28, 2026
- Hatchery Creekstreamstocked Sep 2, 2026
All stocked waters in Grant CountyStocked this week in Washington
Questions about Ancient Lake S
- When was Ancient Lake S last stocked?
- The latest reported stocking was May 7, 2026 (rainbow trout, 1,850 fish), according to Washington agency reports.
- How often is Ancient Lake S stocked?
- It was stocked once in the last 12 months. Across all years on record, most stockings come in October.
- Is Ancient Lake S stocked often?
- Number 29 of 87 stocked waters in Grant 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 Ancient Lake S?
- Rainbow trout (10 stockings, 18,270 fish).