Gull Lake
Kalamazoo County, WisconsinLimited DataMesotrophic
Gull Lake is a 2,050-acre mesotrophic lake in Kalamazoo County, MI. Water quality is graded B based on 1 sampling years through 2022. Compared to the 11 other monitored lakes in Kalamazoo County, Gull Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-17. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12.5 ft. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.5 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 2.0K acres |
Location
County Ranking
Ranked #2 of 12 lakes in Kalamazoo County
Cleaner Lakes Within 30 Miles
Gull Lake holds Grade B. 3 nearby lakes hold higher grades.
- AGull Lake Central Basin; Ross Township Section 7Kalamazoo County · 0.5 mi · Higher grade (B → A)
- ALittle Long Lake Central Basin; Prairieville TownshipBarry County · 2.1 mi · Higher grade (B → A)
- ACrooked Lake Southwest Basin; Prairievile Township Sec12Barry County · 6.2 mi · Higher grade (B → A)
Nearby Lakes in Kalamazoo County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Lapeer County · Clarity: 9.5 ft
Livingston County · Clarity: 13 ft
Manistee County · Clarity: 11 ft
Lake County · Clarity: 14 ft
Cass County · Clarity: 10.5 ft
Genesee County · Clarity: 10 ft
Mesotrophic Lakes in Wisconsin
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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040500030507-04 · Official waterbody report
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-09-17
Monitoring stations: 1