Wood Pile Lake
Wood Pile Lake in Washington County, Minnesota has a water quality grade of A (Excellent). Water clarity: 10 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 4.2 µg/L.
- Clarity
- 10 ft
- Typical in August
- 64°F
- Type
- Mesotrophic
- Public access
- No
Next lake in Washington County
Wood Pile Lake is a mesotrophic lake in Washington County, Minnesota. Water quality is graded A based on 2 sampling years through 2024. Limited fish-species data available. No public access — the lake is private or restricted. Compared to the 74 other monitored lakes in Washington County, Wood Pile Lake ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-10-22. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Good clarity, visible to about 10 ft. Phosphorus level: 20 µg/L. Chlorophyll-a: 4.2 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10 ft | Not graded |
| Phosphorus | 20 µg/L | Good |
| Chlorophyll-a (Algae) | 4.2 µg/L | Good |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Wood Pile Lake
Compare lakeside cabins, hotels, and vacation rentals near Wood Pile Lake in Washington County, Minnesota — 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.
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Water Temperature
Wood Pile Lake typically sits around 64°F at the surface in August. Summer average is about 61°F. Usually warmest in Aug (about 64°F) and coldest in Apr (about 45°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 280 field readings (2010–2024) via the EPA Water Quality Portal. See the full Wood Pile Lake water temperature breakdown →
Fishing Wood Pile Lake
County Ranking
Ranked #14 of 75 lakes in Washington County
Nearby Lakes in Washington County
Frequently asked questions about Wood Pile Lake
What is the water quality grade for Wood Pile Lake?
- Wood Pile Lake in Washington County, Minnesota has a water quality grade of A (Excellent). Water clarity: 10 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 4.2 µg/L.
Is Wood Pile Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Wood Pile Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 4.2 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Wood Pile Lake?
- Wood Pile Lake typically sits around 64°F at the surface in August, from 280 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Explore Wood Pile Lake across LakeGrade
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Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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Mesotrophic Lakes in Minnesota
Where this data comes from
56 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA56 samples · 2024
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Colorimetry
- Analysis of Chlorophyll in Periphyton and Plankton
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.