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LakeQuality

West Graham Lake

Nobles County, Minnesota519 acresView mapDirections

Minnesota PCA publishes the water-quality measurements for West Graham Lake. Here is what has been measured.

Clarity
4.1 ft
Typical for Minnesota
Secchi · sampled 2025
Phosphorus
182 µg/L
More phosphorus than most
Measured by Minnesota PCA
Chlorophyll-a
110.8 µg/L
More algae than most
Measured by Minnesota PCA
Water temp
~71°F
Typical for Sep · EPA WQP
Max depth
8 ft
Bathymetric survey
Area
519 acres
Surface area
  • Hypereutrophic
  • Impaired · Impaired biota (cause unknown)
  • 8 ft max depth
  • Public access
  • Limited data

West Graham Lake in Nobles County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 4.1 ft visibility. Phosphorus: 182 µg/L. Chlorophyll-a (algae): 110.8 µg/L. Maximum depth: 8 ft. Surface area: 519.29 acres.

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West Graham Lake is a 519-acre highly nutrient-loaded hypereutrophic lake in Nobles County, Minnesota with a maximum depth of 8 feet. The lake supports 17 documented fish species including bigmouth buffalo, black bullhead, and black crappie. Public access is available with 1 public boat landing. Compared to the 4 other monitored lakes in Nobles County, West Graham Lake ranks #5 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-25. Methodology: how these readings are compared.

West Graham Lake covers about 520 acres in Nobles County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around West Graham Lake, and Booking.com and Expedia search hotels near the lake for your dates.

What West Graham Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp
  • Fishing17 species recorded

Swimming conditions

Readings only

Recreation use not supported

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. West Graham Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether West Graham 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.

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Water quality measurements for West Graham Lake

These are the measurements Minnesota PCA publishes for West Graham Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 4.1 ft. Phosphorus 182 µg/L. Chlorophyll-a 110.8 µg/L. TSI 71.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)4.1ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus182µg/LPoor
GoodFairPoor
Chlorophyll-a (algae)111µg/LPoor
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.71Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about West Graham Lake

Answers come straight from the public measurements and survey records on this page.

Water Temperature

West Graham Lake typically sits around 71°F at the surface in September. Summer average is about 78°F. Usually warmest in Aug (about 81°F) and coldest in May (about 58°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
58°
May
73°
Jun
80°
Jul
81°
Aug
71°
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (58°F) to its warmest (81°F).

Typical surface water temperature by month, from 11 field readings (2010–2025) via the EPA Water Quality Portal. See the full West Graham Lake water temperature breakdown →

Lake Details

Max depth

8 ft

Surface area

519 acres

Shoreline

3.7 mi

Littoral zone

100%

Share shallower than 15 ft

Public access

Yes

Listed by Minnesota PCA

Lake Size & Watershed

Watershed (drainage) area

5 sq mi

HydroLAKES / HydroSHEDS

Elevation

1,437 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • West Graham Lake (North)Public

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near West Graham Lake

Compare lakeside cabins, hotels, and vacation rentals near West Graham Lake in Nobles 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around West Graham Lake are listed below.

Top-rated places to stay near West Graham Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Minnesota’s top lakes →

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Fish Species

Click a species to see every lake where it is documented.

Fishing West Graham Lake

EPA Impairment Status

West Graham Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Impaired biota (cause unknown)Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Aquatic life, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN53-0021-00 · Official waterbody report

Nearby Lakes in Nobles County

Frequently asked questions about West Graham Lake

Where is West Graham Lake?

West Graham Lake is a lake in Nobles County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

What is the water quality of West Graham Lake?

West Graham Lake in Nobles County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 4.1 ft visibility. Phosphorus: 182 µg/L. Chlorophyll-a (algae): 110.8 µg/L. Maximum depth: 8 ft. Surface area: 519.29 acres.

Measurements on this page ↑

Is West Graham Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. West Graham Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of West Graham Lake?

West Graham Lake typically sits around 71°F at the surface in September, from 11 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is West Graham Lake?

West Graham Lake has a maximum depth of 8 feet. The lake covers 519.29 acres.

What fish are in West Graham Lake?

Fish species found in West Graham Lake include bigmouth buffalo, black bullhead, black crappie, bluegill, channel catfish, common carp, freshwater drum, green sunfish, hybrid sunfish, northern pike, orangespotted sunfish, quillback, walleye, white crappie, white sucker, yellow bullhead, yellow perch. West Graham Lake is located in Nobles County, Minnesota.

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Are there boat ramps on West Graham Lake?

West Graham Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include West Graham Lake (North). Public access is listed as yes.

Access on this page ↑

Can I fish at West Graham Lake?

West Graham 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.

Access on this page ↑

Hypereutrophic Lakes in Minnesota

Where this data comes from

15 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 WaterMNPCA15 samples · 2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by 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

Named boat-access points from the USGS National Boat Ramps inventory