Second Crow Wing Lake
Hubbard County, Minnesota221 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Second Crow Wing Lake. Here is what has been measured.
- 35 ft max depth
- Limited data
Second Crow Wing Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 11.3 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 6.4 µg/L. Maximum depth: 35 ft. Surface area: 221.44 acres.
Second Crow Wing Lake is a 221-acre lake in Hubbard County, Minnesota with a maximum depth of 35 feet (14-foot average). Overall water quality is declining over recent sampling years. The lake supports 15 documented fish species including black crappie, bluegill, and bowfin (dogfish). No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-07-21. Methodology: how these readings are compared.
Second Crow Wing Lake covers about 220 acres in Hubbard County. Vrbo is where to look for cabins and lake homes around Second Crow Wing Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Second Crow Wing Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.3 ft of visibility
- Fishing15 species recorded
- Deep water35 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Second Crow Wing Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Second Crow Wing Lake
These are the measurements Minnesota PCA publishes for Second Crow Wing Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11.3 ft. Phosphorus 14 µg/L. Chlorophyll-a 6.4 µg/L. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 14µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 6.4µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Second Crow Wing Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Second Crow Wing Lake typically sits around 62°F at the surface in September. Summer average is about 68°F. Usually warmest in Aug (about 69°F) and coldest in Sep (about 62°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (62°F) to its warmest (69°F).
Typical surface water temperature by month, from 36 field readings (2011–2025) via the EPA Water Quality Portal. See the full Second Crow Wing Lake water temperature breakdown →
Lake Details
Max depth
35 ft
Average depth
14 ft
Surface area
221 acres
Shoreline
3.1 mi
Littoral zone
44%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
220 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,355 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Second Crow Wing Lake
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Top-rated places to stay near Second Crow Wing Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Second Crow Wing Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Worsening+0.67 µg/L/yr6 years
Chlorophyll-a
Worsening+0.21 µg/L/yr6 years
Nearby Lakes in Hubbard County
Frequently asked questions about Second Crow Wing Lake
Where is Second Crow Wing Lake?
- Second Crow Wing Lake is a lake in Hubbard County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Second Crow Wing Lake?
- Second Crow Wing Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 11.3 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 6.4 µg/L. Maximum depth: 35 ft. Surface area: 221.44 acres.
Is Second Crow Wing Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Second Crow Wing Lake?
- Second Crow Wing Lake typically sits around 62°F at the surface in September, from 36 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.
How deep is Second Crow Wing Lake?
- Second Crow Wing Lake has a maximum depth of 35 feet and an average depth of 14 feet. The lake covers 221.44 acres.
What fish are in Second Crow Wing Lake?
- Fish species found in Second Crow Wing Lake include black crappie, bluegill, bowfin (dogfish), brown bullhead, greater redhorse, largemouth bass, northern pike, pumpkinseed, river redhorse, rock bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Second Crow Wing Lake is located in Hubbard County, Minnesota.
Can I fish at Second Crow Wing Lake?
- Public access to Second Crow Wing Lake is listed as no on the lake record, so confirm before you make the trip. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
6 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA6 samples · 2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder