Fremont Lake
Newaygo County, Michigan801 acresView mapDirections
EGLE publishes the water-quality measurements for Fremont Lake. Here is what has been measured.
- Impaired · Mercury
- 88 ft max depth
- Limited data
Fremont Lake in Newaygo County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 10.3 ft visibility. Maximum depth: 88 ft. Surface area: 801.2 acres.
Free interactive depth-contour map of Fremont Lake, reaching a maximum surveyed depth of 88 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Fremont Lake is a 801-acre lake in Newaygo County, Michigan with a maximum depth of 88 feet. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-08. Methodology: how these readings are compared.
Fremont Lake covers about 800 acres in Newaygo County. If you are planning to stay, you can search lake houses and cabins around Fremont Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Fremont Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.3 ft of visibility
- Deep water88 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Fremont Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pCBs. Check local advisories before you swim.
Whether Fremont 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 Fremont Lake
These are the measurements EGLE publishes for Fremont 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 10.3 ft. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10.3ft | 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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Fremont Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
88 ft
Surface area
801 acres
Stays via Stay22
Stays near Fremont Lake
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Fishing Fremont Lake
Water Quality Trend: Worsening
Based on 7 years of monitoring (2016–2023).
Water clarity
Stable6 years
Phosphorus
Stable-0.3 µg/L/yr6 years
Chlorophyll-a
Worsening+0.18 µg/L/yr4 years
EPA Impairment Status
Fremont 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: Aquatic life, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040601020905-03 · Official waterbody report
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Fremont Lake under Clean Water Act (NPDES) discharge permits.
- Weaver Oil Co-FremontFremont · 1.6 mi away · NPDES MIG080882
- City Of FremontFremont · 2 mi away · NPDES MIG960010
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 Newaygo County
Frequently asked questions about Fremont Lake
Where is Fremont Lake?
- Fremont Lake is a lake in Newaygo County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Fremont Lake?
- Fremont Lake in Newaygo County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 10.3 ft visibility. Maximum depth: 88 ft. Surface area: 801.2 acres.
Is Fremont Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Fremont Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pCBs. Check local advisories before you swim.
How deep is Fremont Lake?
- Fremont Lake has a maximum depth of 88 feet. The lake covers 801.2 acres.
Explore Fremont Lake across LakeQuality
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Where this data comes from
46 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
NALMS46 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
Regulated discharger data from EPA ECHO (ICIS-NPDES)