Timmerman Lake
Manistee County, MichiganView mapDirections
EGLE publishes the water-quality measurements for Timmerman Lake. Here is what has been measured.
- 31 ft max depth
- Limited data
Timmerman Lake in Manistee County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 5 ft visibility. Maximum depth: 31 ft.
Timmerman Lake is a lake in Manistee County, Michigan with a maximum depth of 31 feet. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2018-09-04. Methodology: how these readings are compared.
What Timmerman Lake is good for
From access and monitoring records, not editorial picks.
- Deep water31 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Timmerman 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 Timmerman Lake
These are the measurements EGLE publishes for Timmerman 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 5 ft. TSI 54.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5ft | 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. | 54 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Timmerman Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
31 ft
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Stays near Timmerman Lake
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Fishing Timmerman Lake
Water quality readings over time
2 seasons of samples on record (2017–2018). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Nearby Lakes in Manistee County
Frequently asked questions about Timmerman Lake
Where is Timmerman Lake?
- Timmerman Lake is a lake in Manistee County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Timmerman Lake?
- Timmerman Lake in Manistee County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 5 ft visibility. Maximum depth: 31 ft.
Is Timmerman Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Timmerman Lake?
- Timmerman Lake has a maximum depth of 31 feet.
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Where this data comes from
15 measurements from 1 monitoring station, 2017–2018. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS15 samples · 2017–2018
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.