Tull Lake
Oakland County, Michigan81 acresView mapDirections
EGLE publishes the water-quality measurements for Tull Lake. Here is what has been measured.
- Eutrophic
- Limited data
Tull Lake in Oakland County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 4.8 ft visibility. Phosphorus: 27 µg/L. Surface area: 81 acres.
Free interactive depth-contour map of Tull Lake, reaching a maximum surveyed depth of 32 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Tull Lake is a 81-acre productive, nutrient-rich eutrophic lake in Oakland County, Michigan. Phosphorus level is declining over recent sampling years. The lake supports 1 documented fish species including Lake herring. Compared to the 28 other monitored lakes in Oakland County, Tull Lake ranks #26 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-24. Methodology: how these readings are compared.
Tull Lake covers about 81 acres in Oakland County. If you are planning to stay, you can search lake houses and cabins around Tull Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
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 Tull 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 Tull Lake
These are the measurements EGLE publishes for Tull 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 4.8 ft. Phosphorus 27 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 27µg/L | Fair GoodFairPoor |
| 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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Tull Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
81 acres
No bathymetric survey has been published for Tull Lake, so its depth is not documented here.
Stays via Stay22
Stays near Tull Lake
Compare lakeside cabins, hotels, and vacation rentals near Tull Lake in Oakland County, Michigan — 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 Tull Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Tull Lake
Water Quality Trend: Stable
Based on 7 years of monitoring (2016–2023).
Water clarity
Stable6 years
Phosphorus
Worsening+0.83 µg/L/yr7 years
Chlorophyll-a
Improving-0.13 µg/L/yr7 years
Reservoir Info (USACE NID)
Tull Lake is a man-made reservoir impounded by the Tull Lake Dam, built primarily for recreation on the Huron River; earth-type dam, 16 ft tall and 150 ft long.
- Surface area
- 81 ac
- Normal storage
- 270 ac-ft
- Max storage
- 760 ac-ft
- Hazard class
- Low
- Owner
- Kelly Bros. Land Development Inc.
Source: USACE National Inventory of Dams, NID ID MI01717 · Operator website · Matched by proximity (0.24 km)
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Tull Lake under Clean Water Act (NPDES) discharge permits.
- Speedway Superamerica Sta 2223White Lake · 0.9 mi away · NPDES MIG081062
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Oakland County
Frequently asked questions about Tull Lake
Where is Tull Lake?
- Tull Lake is a lake in Oakland County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Tull Lake?
- Tull Lake in Oakland County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 4.8 ft visibility. Phosphorus: 27 µg/L. Surface area: 81 acres.
Is Tull Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What fish are in Tull Lake?
- Fish species found in Tull Lake include Lake herring. Tull Lake is located in Oakland County, Michigan.
Explore Tull Lake across LakeQuality
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Where this data comes from
53 measurements from 1 monitoring station, 2018–2023. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS53 samples · 2018–2023
Analytical methods
- Phosphorus by Colorimetry
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)