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LakeQuality

Druid Lake

B
Grade B — Good
Good · #7 of 13 lakes in the county · 5.5 ft clear · Eutrophic · 122 acres · from C
Eutrophic

Druid Lake in Washington County, Wisconsin has a water quality grade of B (Good). Water clarity: 5.5 ft visibility. Phosphorus: 23.7 µg/L. Maximum depth: 53 ft. Surface area: 122 acres.

Wisconsin DNR rates Panfish as abundant on Druid Lake. DNR survey details →

Clarity
5.5 ft
Typical in July
80°F
Max depth
53 ft
Area
122 acres
Type
Eutrophic
Trend
Stable
Public access
Yes

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Druid Lake is a 122-acre productive, nutrient-rich eutrophic lake in Washington County, Wisconsin with a maximum depth of 53 feet. Water quality is graded B based on 1 sampling years through 2026. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 12 other monitored lakes in Washington County, Druid Lake ranks #7 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-05-27. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Low algae

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.

Good for swimming, clear water with low algae levels

Compare the safest swimming lakes near Milwaukee

Get alerts for Druid Lake

Water Quality Grade: B (Good)

Murky, only visible to about 5.5 ft. Phosphorus level: 23.7 µg/L. Trophic State Index: 51.

MetricValueGrade
Water Clarity (Secchi Depth)5.5 ftNot graded
Phosphorus23.7 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)51Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Druid Lake

Compare lakeside cabins, hotels, and vacation rentals near Druid Lake in Washington County, Wisconsin — 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 Druid Lake

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Wisconsin’s top lakes →

Water Temperature

Druid Lake typically sits around 80°F at the surface in July. Summer average is about 77°F. Usually warmest in Jul (about 80°F) and coldest in May (about 68°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
68°
Jun
74°
Jul
80°
Aug
Sep
71°
Oct
Nov
Dec

Typical surface water temperature by month, from 12 field readings (20242025) via the EPA Water Quality Portal. See the full Druid Lake water temperature breakdown →

DNR fisheries survey

Wisconsin DNR rates Panfish as abundant on Druid Lake.

A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Druid Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 6 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1990. 2 stations on file (most recent sample 2025).

DNR Assessment
Good · Deep Lowland lake
Trophic State Index 52 (eutrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Abundant)Largemouth Bass(Present)Northern Pike(Present)Walleye(Present)

Lake Details

CharacteristicValue
Maximum Depth53 ft
Surface Area122 acres
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
0 sq mi
Shoreline
1.6 mi
Elevation
968 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Druid LakeSemi-private

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Druid Lake

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Curly-Leaf PondweedHybrid Eurasian / Northern Water-MilfoilPurple Loosestrife

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.036 m/yr6
Phosphorus Stable-0.45 µg/L/yr6
See year-by-year chart →

County Ranking

Ranked #7 of 13 lakes in Washington County

Nearby Lakes in Washington County

Frequently asked questions about Druid Lake

Where is Druid Lake?

Druid Lake is a lake in Washington County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Druid Lake?

Druid Lake in Washington County, Wisconsin has a water quality grade of B (Good). Water clarity: 5.5 ft visibility. Phosphorus: 23.7 µg/L. Maximum depth: 53 ft. Surface area: 122 acres.

Is Druid Lake safe to swim in?

Good for swimming, clear water with low algae levels. Druid Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.

What is the water temperature of Druid Lake?

Druid Lake typically sits around 80°F at the surface in July, from 12 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.

How deep is Druid Lake?

Druid Lake has a maximum depth of 53 feet. The lake covers 122 acres.

What fish are in Druid Lake?

Fish species found in Druid Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Druid Lake is located in Washington County, Wisconsin.

What did the DNR fisheries survey find at Druid Lake?

Wisconsin DNR rates Panfish as abundant on Druid Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Druid Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 6 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.

Are there boat ramps on Druid Lake?

Druid Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Druid Lake. Public access is listed as yes.

Where this data comes from

41 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX41 samples · 2020–2026

Analytical methods

  • Phosphorus by Colorimetry
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.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)

Fish and recreation data from Wisconsin DNR Lakes

Named boat-access points from the USGS National Boat Ramps inventory