Ninth Crow Wing Lake
Hubbard County, Minnesota232 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Ninth Crow Wing Lake. Here is what has been measured.
- Mesotrophic
- 65 ft max depth
- Public access
Ninth Crow Wing Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 10.2 ft visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Maximum depth: 65 ft. Surface area: 232.4 acres.
Minnesota DNR's Standard Survey on August 28, 2023 caught 2.50 walleye per gill net at Ninth Crow Wing Lake. DNR survey details →
Ninth Crow Wing Lake is a 232-acre mesotrophic lake in Hubbard County, Minnesota with a maximum depth of 65 feet (17-foot average). Overall water quality is declining over recent sampling years. The lake supports 15 documented fish species including black bullhead, black crappie, and bluegill. Public access is available. Compared to the 67 other monitored lakes in Hubbard County, Ninth Crow Wing Lake ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-22. Methodology: how these readings are compared.
Ninth Crow Wing Lake covers about 230 acres in Hubbard County. Vrbo is where to look for cabins and lake homes around Ninth Crow Wing Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Ninth Crow Wing Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.2 ft of visibility
- Fishing15 species recorded
- Deep water65 ft surveyed max depth
Swimming conditions
Readings onlyLow 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. Check local advisories before you swim.
Whether Ninth 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 Ninth Crow Wing Lake
These are the measurements Minnesota PCA publishes for Ninth 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 10.2 ft. Phosphorus 15.5 µg/L. Chlorophyll-a 5.8 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 15.5µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 5.8µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Ninth Crow Wing Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Ninth Crow Wing Lake typically sits around 68°F at the surface in September. Summer average is about 64°F. Usually warmest in Jun (about 69°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 (69°F).
Typical surface water temperature by month, from 93 field readings (2011–2025) via the EPA Water Quality Portal. See the full Ninth Crow Wing Lake water temperature breakdown →
Minnesota DNR's Standard Survey on August 28, 2023 caught 2.50 walleye per gill net at Ninth Crow Wing Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Ninth 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: 2025-07-31 (Targeted Survey).
13 surveys on file · most recent 2025-07-31 (Targeted Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Bluegill | 26.56 | 3–8 in 2023-08-28 | 0.14 lb |
| Largemouth Bass | 15.83 | 6–18 in 2023-08-28 | 0.92 lb |
| Yellow Perch | 9.91 | 5–8 in 2023-08-28 | 0.11 lb |
| Bluntnose Minnow | 9.38 | ||
| Pumpkinseed | 8.68 | 3–8 in 2023-08-28 | 0.16 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.
Bluegill
Largemouth Bass
Yellow Perch
Pumpkinseed
From the 2025-07-31 survey
Temperature and dissolved oxygen measurements were collected from the deepest basin in Ninth Crow Wing Lake on July 30th, 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 Ninth Crow Wing Lake. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — Ninth Crow WingFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Ninth Crow Wing (1311)Aquatic Plant Report · MN DNR LakeFinder
Lake Details
Max depth
65 ft
Average depth
17 ft
Surface area
232 acres
Shoreline
3.7 mi
Littoral zone
41%
Share shallower than 15 ft
Public access
Yes
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
34 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,378 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Ninth Crow Wing Lake
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Top-rated places to stay near Ninth Crow Wing Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Ninth Crow Wing Lake
- → Ninth Crow Wing Lake fishing: DNR survey catch rates, species & stocking
- → Ninth Crow Wing Lake fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Ninth Crow Wing Lake fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Ninth Crow Wing Lake? (mercury & PFAS guide)
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Improving-0.89 µg/L/yr6 years
Chlorophyll-a
Worsening+0.15 µg/L/yr6 years
Nearby Lakes in Hubbard County
Frequently asked questions about Ninth Crow Wing Lake
Where is Ninth Crow Wing Lake?
- Ninth 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 Ninth Crow Wing Lake?
- Ninth Crow Wing Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 10.2 ft visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Maximum depth: 65 ft. Surface area: 232.4 acres.
Is Ninth 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 Ninth Crow Wing Lake?
- Ninth Crow Wing Lake typically sits around 68°F at the surface in September, from 93 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.
How deep is Ninth Crow Wing Lake?
- Ninth Crow Wing Lake has a maximum depth of 65 feet and an average depth of 17 feet. The lake covers 232.4 acres.
What fish are in Ninth Crow Wing Lake?
- Fish species found in Ninth Crow Wing Lake include black bullhead, black crappie, bluegill, bowfin (dogfish), green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Ninth Crow Wing Lake is located in Hubbard County, Minnesota.
What did the DNR fisheries survey find at Ninth Crow Wing Lake?
- Minnesota DNR's Standard Survey on August 28, 2023 caught 2.50 walleye per gill net at Ninth Crow Wing Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Ninth 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.
Can I fish at Ninth Crow Wing Lake?
- Public access to Ninth 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 Ninth Crow Wing Lake across LakeQuality
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Where this data comes from
103 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
MNPCA103 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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder