Sixth Crow Wing Lake
Hubbard County, Minnesota346 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Sixth Crow Wing Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Mercury
- 40 ft max depth
- Public access
Sixth Crow Wing Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 8.9 ft visibility. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 10.7 µg/L. Maximum depth: 40 ft. Surface area: 345.63 acres.
Minnesota DNR's Standard Survey on August 12, 2024 caught 3.78 walleye per gill net at Sixth Crow Wing Lake. DNR survey details →
Sixth Crow Wing Lake is a 346-acre mesotrophic lake in Hubbard County, Minnesota with a maximum depth of 40 feet (15-foot average). Overall water quality is declining over recent sampling years. The lake supports 14 documented fish species including black crappie, bluegill, and bowfin (dogfish). Public access is available. Compared to the 67 other monitored lakes in Hubbard County, Sixth Crow Wing Lake ranks #66 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-22. Methodology: how these readings are compared.
Sixth Crow Wing Lake covers about 350 acres in Hubbard County. The median ice-out date is April 15, which is when the open-water season begins. Vrbo is where to look for cabins and lake homes around Sixth Crow Wing Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Sixth Crow Wing Lake is good for
From access and monitoring records, not editorial picks.
- Fishing14 species recorded
- Ice seasonIce-out around Apr 15
- Deep water40 ft surveyed max depth
Swimming conditions
Readings onlyModerate algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Sixth Crow Wing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Sixth 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 Sixth Crow Wing Lake
These are the measurements Minnesota PCA publishes for Sixth Crow Wing Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.9 ft. Phosphorus 21 µg/L. Chlorophyll-a 10.7 µg/L. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 21µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 10.7µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Sixth Crow Wing Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Sixth Crow Wing Lake typically sits around 63°F at the surface in September. Summer average is about 70°F. Usually warmest in Jul (about 75°F) and coldest in May (about 56°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (56°F) to its warmest (75°F).
Typical surface water temperature by month, from 79 field readings (2011–2025) via the EPA Water Quality Portal. See the full Sixth Crow Wing Lake water temperature breakdown →
Minnesota DNR's Standard Survey on August 12, 2024 caught 3.78 walleye per gill net at Sixth Crow Wing Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sixth Crow Wing Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
13 surveys on file from MN DNR Fisheries. Most recent: 2025-08-01 (Targeted Survey).
13 surveys on file · most recent 2025-08-01 (Targeted Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Yellow Perch | 22.02 | 3–9 in 2024-08-12 | 0.13 lb |
| Bluegill | 15.08 | 2–9 in 2024-08-12 | 0.18 lb |
| Largemouth Bass | 8.35 | 5–14 in 2024-08-12 | 1.03 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Yellow Perch
Bluegill
Largemouth Bass
From the 2025-08-01 survey
Temperature and dissolved oxygen measurements were collected from the deepest basin in Sixth Crow Wing Lake on August 1st, 2025. This was done to evaluate the quantity and quality of cold, oxygenated water (i.e., oxythermal habitat) available to Cisco, also known as Tullibee, the most sensitive coldwater species…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Sixth Crow Wing Lake. 4 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — Sixth Crow WingFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Sixth Crow Wing (1291)Aquatic Plant Report · MN DNR LakeFinder
- —Fish Stocking History — Sixth Crow WingFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — Sixth Crow WingPublic Water Access Sites · MN DNR LakeFinder
Lake Details
Max depth
40 ft
Average depth
15 ft
Surface area
346 acres
Shoreline
3.8 mi
Littoral zone
46%
Share shallower than 15 ft
Public access
Yes
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
46 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,375 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Sixth Crow Wing Lake
Compare lakeside cabins, hotels, and vacation rentals near Sixth Crow Wing Lake in Hubbard County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Sixth Crow Wing Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Sixth Crow Wing Lake
- → Sixth Crow Wing Lake fishing: DNR survey catch rates, species & stocking
- → Sixth Crow Wing Lake fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Sixth Crow Wing Lake fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Sixth Crow Wing Lake? (mercury & PFAS guide)
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Stable+0.14 µg/L/yr6 years
Chlorophyll-a
Worsening+0.75 µg/L/yr6 years
Ice season
Typical ice-out
Apr 15
Earliest Apr 12, 2015 · Latest Apr 17, 2004
Typical ice-in
Nov 22
Earliest Nov 8, 2003 · Latest Dec 2, 2001
Most recent ice-out
Apr 12
2015
12 observations · Minnesota PCA ice records
EPA Impairment Status
Sixth Crow Wing Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN29-0093-00 · Official waterbody report
Nearby Lakes in Hubbard County
Frequently asked questions about Sixth Crow Wing Lake
Where is Sixth Crow Wing Lake?
- Sixth 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 Sixth Crow Wing Lake?
- Sixth Crow Wing Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 8.9 ft visibility. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 10.7 µg/L. Maximum depth: 40 ft. Surface area: 345.63 acres.
Is Sixth Crow Wing Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sixth Crow Wing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
What is the water temperature of Sixth Crow Wing Lake?
- Sixth Crow Wing Lake typically sits around 63°F at the surface in September, from 79 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.
How deep is Sixth Crow Wing Lake?
- Sixth Crow Wing Lake has a maximum depth of 40 feet and an average depth of 15 feet. The lake covers 345.63 acres.
What fish are in Sixth Crow Wing Lake?
- Fish species found in Sixth Crow Wing Lake include black crappie, bluegill, bowfin (dogfish), brown bullhead, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Sixth Crow Wing Lake is located in Hubbard County, Minnesota.
What did the DNR fisheries survey find at Sixth Crow Wing Lake?
- Minnesota DNR's Standard Survey on August 12, 2024 caught 3.78 walleye per gill net at Sixth Crow Wing Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sixth Crow Wing Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
When does Sixth Crow Wing Lake thaw?
- Sixth Crow Wing Lake typically has ice-out around Apr 15. Ice typically forms around Nov 22. The open water season is approximately 221 days.
Can I fish at Sixth Crow Wing Lake?
- Public access to Sixth Crow Wing Lake is listed as yes on the lake record. 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.
Explore Sixth Crow Wing Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in Hubbard County
Species activity outlook by water temperature and season
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Where to stay at Minnesota's top lakes, each with its readings
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Minnesota's cleanest lakes, ranked on agency measurements
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Where this data comes from
81 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA81 samples · 2020–2025
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Ice data from Minnesota DNR Climate