Gull Lake
Kalamazoo County, Michigan2,050 acresView mapDirections
EGLE publishes the water-quality measurements for Gull Lake. Here is what has been measured.
- Impaired · Mercury
- 110 ft max depth
- Limited data
Gull Lake in Kalamazoo County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 13 ft visibility. Maximum depth: 110 ft. Surface area: 2050 acres.
Free interactive depth-contour map of Gull Lake, reaching a maximum surveyed depth of 110 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Gull Lake is a 2,050-acre lake in Kalamazoo County, Michigan with a maximum depth of 110 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-17. Methodology: how these readings are compared.
Gull Lake covers about 2,100 acres in Kalamazoo County. Vrbo is where to look for cabins and lake homes around Gull Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Gull Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13 ft of visibility
- Deep water110 ft surveyed max depth
- Big water2,050 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Gull Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pFAS, pCBs. Check local advisories before you swim.
Whether Gull Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Gull Lake
These are the measurements EGLE publishes for Gull 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 13 ft. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading 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. | 40 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Gull Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
110 ft
Surface area
2,050 acres
Stays via Stay22
Stays near Gull Lake
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Fishing Gull Lake
Water Quality Trend: Improving
Based on 8 years of monitoring (2016–2023).
Water clarity
Improving8 years
Phosphorus
Improving-0.25 µg/L/yr7 years
Chlorophyll-a
Stable+0.02 µg/L/yr7 years
Reservoir Info (USACE NID)
Gull Lake is a man-made reservoir impounded by the Gull Lake Dam (completed 1920), built primarily for recreation on the Gull Lake Outlet; earth-type dam, 21 ft tall and 260 ft long.
- Surface area
- 2,050 ac
- Normal storage
- 0 ac-ft
- Max storage
- 5,393 ac-ft
- Drainage area
- 29 sq mi
- Hazard class
- Low
- Owner
- Gull Lake Association
Source: USACE National Inventory of Dams, NID ID MI00565 · Operator website
EPA Impairment Status
Gull Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040500030507-04 · Official waterbody report
Nearby Lakes in Kalamazoo County
Frequently asked questions about Gull Lake
Where is Gull Lake?
- Gull Lake is a lake in Kalamazoo County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Gull Lake?
- Gull Lake in Kalamazoo County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 13 ft visibility. Maximum depth: 110 ft. Surface area: 2050 acres.
Is Gull Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Gull Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pFAS, pCBs. Check local advisories before you swim.
How deep is Gull Lake?
- Gull Lake has a maximum depth of 110 feet. The lake covers 2050 acres.
Explore Gull Lake across LakeQuality
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Where this data comes from
102 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS102 samples · 2016–2022
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