Mccarty Lake
Hubbard County, MinnesotaView mapDirections
Minnesota PCA publishes the water-quality measurements for Mccarty Lake. Here is what has been measured.
- Mesotrophic
- Public access
- Limited data
Mccarty Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 9 ft visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 4.3 µg/L.
Mccarty Lake is a mesotrophic lake in Hubbard County, Minnesota. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 67 other monitored lakes in Hubbard County, Mccarty Lake ranks #51 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-09-19. Methodology: how these readings are compared.
Mccarty Lake has one public boat landing. Vrbo is where to look for cabins and lake homes around Mccarty Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Mccarty Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
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 Mccarty 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 Mccarty Lake
These are the measurements Minnesota PCA publishes for Mccarty 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 9 ft. Phosphorus 12 µg/L. Chlorophyll-a 4.3 µg/L. TSI 43.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 12µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 4.3µg/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. | 43 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Mccarty Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Mccarty Lake typically sits around 55°F at the surface in September. Summer average is about 61°F. Usually warmest in Jul (about 67°F) and coldest in May (about 51°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (51°F) to its warmest (67°F).
Typical surface water temperature by month, from 41 field readings (2023–2023) via the EPA Water Quality Portal. See the full Mccarty Lake water temperature breakdown →
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Mccarty Lake. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Aquatic Plant Report — McCarty (1301)Aquatic Plant Report · MN DNR LakeFinder
- —Public Water Access Sites — McCartyPublic Water Access Sites · MN DNR LakeFinder
Recreation & Access
- McCarty LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Mccarty Lake
Compare lakeside cabins, hotels, and vacation rentals near Mccarty 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 Mccarty Lake
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Planning a whole trip? See where to stay at Minnesota’s top lakes →
Follow Mccarty Lake’s readings
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Fishing Mccarty Lake
Water quality readings over time
2 seasons of samples on record (2023–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Phosphorus
Worsening+2.5 µg/L/yr2 years
Chlorophyll-a
Worsening+2.7 µg/L/yr2 years
Nearby Lakes in Hubbard County
Frequently asked questions about Mccarty Lake
Where is Mccarty Lake?
- Mccarty 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 Mccarty Lake?
- Mccarty Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 9 ft visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 4.3 µg/L.
Is Mccarty 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 Mccarty Lake?
- Mccarty Lake typically sits around 55°F at the surface in September, from 41 EPA Water Quality Portal field readings (2023–2023). That is a typical value for the month, not a live reading.
Are there boat ramps on Mccarty Lake?
- Mccarty Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include McCarty Lake. Public access is listed as yes.
Can I fish at Mccarty Lake?
- Mccarty Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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 Mccarty Lake across LakeQuality
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Where this data comes from
50 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA50 samples · 2023
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
Named boat-access points from the USGS National Boat Ramps inventory