Petro #1 Reservoir trout stocking
Natrona County, Wyoming · lake
Petro #1 Reservoir was last stocked 5 months ago (May 1 to 31, 2026). We have 10 stockings on record since May 1, 2017, 1 in the last 12 months (501 fish). Most stockings come in May to June. Species stocked: rainbow trout, brook trout, Snake River cutthroat trout.
- Number 10 of 28 stocked waters in Natrona County by stocking days.
- Stocked more often than 63% of Wyoming waters on our record.
When is Petro #1 Reservoir stocked?
Most stockings come in May to June.
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 | |||||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 6 | 3,891 | 649 | 4.0 in |
| Brook trout | 3 | 1,505 | 502 | 4.2 in |
| Snake River cutthroat trout | 1 | 1,000 | 1,000 | 5.9 in |
Stocking history
20261 stocking · 501 fish
| Date | Species | Fish | Size |
|---|---|---|---|
MayLatest sometime this month | Rainbow trout | 501 | 4.0 in |
20251 stocking · 502 fish
| Date | Species | Fish | Size |
|---|---|---|---|
May sometime this month | Brook trout | 502 | 4.2 in |
20241 stocking · 500 fish
| Date | Species | Fish | Size |
|---|---|---|---|
June sometime this month | Brook trout | 500 | 4.3 in |
20231 stocking · 503 fish
- May brook trout, 503 fish
20221 stocking · 500 fish
- June rainbow trout, 500 fish
20211 stocking · 507 fish
- June rainbow trout, 507 fish
20201 stocking · 1,000 fish
- June Snake River cutthroat trout, 1,000 fish
20191 stocking · 1,017 fish
- June rainbow trout, 1,017 fish
20181 stocking · 264 fish
- April rainbow trout, 264 fish
20171 stocking · 1,102 fish
- May rainbow trout, 1,102 fish
From Wyoming 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: Wyoming fishing regulations.
Other stocked waters in Natrona County
- North Platte River Gray-Alcostreamstocked Sep 1, 2026
- North Platte River Alco-Pathstreamstocked Aug 1, 2026
- Alcova Reservoirlakestocked Jul 1, 2026
- Pathfinder Reservoirlakestocked Jul 1, 2026
- Bryan Stock Trail Pond (Lake Makenzie)pondstocked Jun 1, 2026
- Otter Creekstreamstocked Jun 1, 2026
- Yesness Pondpondstocked Jun 1, 2026
- Goldeneye Reservoirlakestocked May 1, 2026
All stocked waters in Natrona CountyStocked this week in Wyoming
Questions about Petro #1 Reservoir
- When was Petro #1 Reservoir last stocked?
- The latest reported stocking was May 1 to 31, 2026 (rainbow trout, 501 fish), according to Wyoming agency reports.
- How often is Petro #1 Reservoir stocked?
- It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in May to June.
- Is Petro #1 Reservoir stocked often?
- Number 10 of 28 stocked waters in Natrona County by stocking days. Stocked more often than 63% of Wyoming waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Petro #1 Reservoir?
- Rainbow trout (6 stockings, 3,891 fish); Brook trout (3 stockings, 1,505 fish); Snake River cutthroat trout (1 stocking, 1,000 fish).
Stocking data from the Wyoming Game and Fish Department's fish stocking report, which records stockings by month with species, number and average length.