Lost Lake (Washington County)
Washington County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 82013400
DNR records show 3 stocking entries at Lost Lake (Washington County) since 2023, most recently yellow perch adults in 2025 (5,835 fish).
- Lost Lake (Washington County) has 3 DNR stocking records across 3 years (2023-2025): yellow perch (1), black crappie (1), pumpkinseed sunfish (1).
- The most-stocked species by count is yellow perch: 5,835 fish on record.
- Maximum depth 26 ft, mean depth 8 ft; surface area 22 acres, 8 littoral acres, 1.4 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 8.3 ft.
- Fish species DNR lists here: black bullhead, black crappie, bluegill, green sunfish, hybrid sunfish, northern pike, pumpkinseed.
- 1 public access on the DNR list.
- Most recent DNR fish survey: (standard survey).
- Washington County, nearest town Mahtomedi; DNR lake number (DOW) 82013400.
Stocking history
| Year | Species | Size | Number | Pounds |
|---|---|---|---|---|
| 2025 | Yellow Perch | adults | 5,835 | 389.0 |
| 2024 | Black Crappie | adults | 484 | 70.2 |
| 2023 | Pumpkinseed Sunfish | adults | 1,080 | 60.0 |
Field note · Minnesota stocks by year, not by truck day: walleye fry go in within weeks of ice-out, fingerlings and yearlings mostly in fall, and stream trout in spring and fall. A row here means the fish went in during that year; DNR adds the year's rows after the fact, so the current year can look empty until winter.
Public accesses
| Type | Owner | Where |
|---|---|---|
| O | city | - NO BOAT RAMP. Field crew launched boat off E shore; Wildwood Park. |
DNR fish survey, 2017
| Species | Gear | Catch per net | Total catch | Avg lb |
|---|---|---|---|---|
| Bluegill | Standard trap nets | 12.33 | 37 | 0.07 |
| Pumpkinseed | Standard trap nets | 2.67 | 8 | 0.13 |
| Northern pike | Standard trap nets | 1.67 | 5 | 1.11 |
| Hybrid sunfish | Standard trap nets | 1.33 | 4 | 0.31 |
| Green sunfish | Standard trap nets | 0.67 | 2 | 0.05 |
| Northern pike | Standard gill nets | 9.00 | 9 | 1.37 |
| Black bullhead | Standard gill nets | 7.00 | 7 | 0.13 |
Catch per net (CPUE) is the DNR survey's count per gill net or trap net set; higher means more of that species were sampled, not a fishing forecast. Top species per gear shown; where we have no verified common name for a DNR code, the code itself is shown.
Lost Lake is located in Wildwood Park within the city of Mahtomedi, south of County Road 244 and Old Wildwood Road. Lost lake (lake class 36) has nine surface acres and a maximum depth 26 feet. In 1987 Lost first came under DNR Fisheries management as kids fishing pond. The Fishing in The Neighborhood program (FiN) currently manages the fishery. A connection to White Bear Lake exists during normal water levels and can provide a mode for immigration and emigration to and from Lost Lake. Approximately 25% of the total lake shore is within the park and a fishing pier provides access to the lake for anglers. Lost provides opportunities for shorefishing to anglers that don't own a boat or have access to shoreline on White Bear Lake. The lake supports a very diverse population of native aquatic plants and all efforts should be made to protect this diversity from invasive species such as Eurasian watermilfoil. The lake experiences winterkill conditions occasionally, which can affect angling success in successive years. Aquatic vegetation can be dense and become problematic at times around the fishing pier. Bluegills were the most abundant species observed in the 2017 survey but they are still below average in abundance for lakes similar to Lost Lake. The average size is less than 5 inches and is considerably less than past surveys where average size was over 6 inches. Pumpkinseed and Hybrid Sunfish were also found in below average numbers for lakes like Lost. Hybrid Sunfish had an average size of 7.0 inches and Pumpkinseed a 5.3 inch average. Northern Pike had an average size of 16.5 inches and can be found in slightly above average abundance. The Northern Pike population has decreased considerably since the last survey when they could be found in very high abundance. Black Bullheads were found in below average abundance for lakes similar to Lost Lake. Other fish sampled in low number were two Green Sunfish.
Minnesota DNR survey narrative, .
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Stocking rows, depths, accesses and survey figures are Minnesota DNR LakeFinder data as of 2026-09-02. Regulations, slot limits and special rules are on the DNR page linked above, not here.
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