Snyder Lake
Hennepin County, MinnesotaView mapDirections
Minnesota PCA publishes the water-quality measurements for Snyder Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Snyder Lake in Hennepin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Phosphorus: 190 µg/L. Chlorophyll-a (algae): 164 µg/L.
Snyder Lake is a lake in Hennepin County, Minnesota. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2020-08-31. Methodology: how these readings are compared.
What Snyder Lake is good for
From access and monitoring records, not editorial picks.
- Ice seasonIce-out around Mar 25
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Snyder Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Snyder Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Snyder Lake
These are the measurements Minnesota PCA publishes for Snyder Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 190 µg/L. Chlorophyll-a 164 µg/L. TSI 80.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 190µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 164µg/L | Measured, not scored 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. | 80 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Snyder Lake
Answers come straight from the public measurements and survey records on this page.
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Fishing Snyder Lake
Ice season
Typical ice-out
Mar 25
Earliest Mar 3, 2024 · Latest Apr 13, 2023
Most recent ice-out
Mar 3
2024
4 observations · Minnesota PCA ice records
EPA Impairment Status
Snyder Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN27-0108-00 · Official waterbody report
Nearby Lakes in Hennepin County
Frequently asked questions about Snyder Lake
Where is Snyder Lake?
- Snyder Lake is a lake in Hennepin County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Snyder Lake?
- Snyder Lake in Hennepin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Phosphorus: 190 µg/L. Chlorophyll-a (algae): 164 µg/L.
Is Snyder Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Snyder Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
When does Snyder Lake thaw?
- Snyder Lake typically has ice-out around Mar 25.
Can I fish at Snyder Lake?
- Public access to Snyder Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
3 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA3 samples · 2020
Analytical methods
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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
Ice data from Minnesota DNR Climate