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LakeQuality

Wilson Lake

Russell County, Kansas9,040 acresView mapDirections

KDHE publishes the water-quality measurements for Wilson Lake. Here is what has been measured.

Clarity
8.7 ft
Clearer than most
Secchi · sampled 2018
Phosphorus
20 µg/L
Less phosphorus than most
Measured by KDHE
Chlorophyll-a
2.8 µg/L
Less algae than most
Measured by KDHE
Area
9,040 acres
Surface area
Type
Mesotrophic
Trophic class
  • Mesotrophic
  • Impaired · Salinity / chlorides
  • Public access
  • Limited data

Wilson Lake in Russell County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 8.7 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 2.8 µg/L. Surface area: 9040 acres.

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Wilson Lake is a 9,040-acre mesotrophic lake in Russell County, Kansas. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings.

Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2018-08-21. Methodology: how these readings are compared.

What Wilson Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch2 documented ramps
  • Camping2 public campgrounds nearby
  • Big water9,040 acres

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Wilson Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for salinity / chlorides. Check local advisories before you swim.

Whether Wilson Lake is safe to swim in today is a call for the Kansas Department of Health and Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Wilson Lake

These are the measurements KDHE publishes for Wilson Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Moderate clarity, visible to about 8.7 ft. Phosphorus 20 µg/L. Chlorophyll-a 2.8 µg/L. TSI 45.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)8.7ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus20µg/LGood
GoodFairPoor
Chlorophyll-a (algae)2.8µg/LGood
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.45Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Wilson Lake

Answers come straight from the public measurements and survey records on this page.

→ Wilson Lake water level: the live USGS gauge reading

Lake Details

Surface area

9,040 acres

Public access

Yes

Listed by KDHE

No bathymetric survey has been published for Wilson Lake, so its depth is not documented here.

Recreation & Access

2
Boat Landings
Yes
Public Access
2
Campgrounds
  • Wilson-State ParkPublic
  • Wilson-OtoePublic

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

Public campgrounds near Wilson Lake

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Wilson Lake

Compare lakeside cabins, hotels, and vacation rentals near Wilson Lake in Russell County, Kansas — 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 Wilson Lake

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

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 trip? Cabins and lodging at Wilson Lake → · more Kansas lake trips

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Fishing Wilson Lake

3 seasons of samples on record (2012–2018). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Stable

    3 years

  • Phosphorus

    Worsening

    +0.83 µg/L/yr3 years

  • Chlorophyll-a

    Worsening

    +0.08 µg/L/yr3 years

Reservoir Info (USACE NID)

Wilson Lake is a man-made reservoir impounded by the Wilson Dam (completed 1964), built primarily for flood risk reduction on the Saline River; earth-type dam, 152 ft tall and 5,600 ft long.

Surface area
9,040 ac
Normal storage
245,000 ac-ft
Max storage
736,000 ac-ft
Drainage area
1,917 sq mi
Hazard class
High
Owner
USACE - Kansas City District

All listed purposes: Flood Risk Reduction;Irrigation;Fish and Wildlife Pond;Recreation.

Source: USACE National Inventory of Dams, NID ID KS00013 · Operator website

EPA Impairment Status

Wilson Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Salinity / chlorides

Designated uses not supporting: Drinking water.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit KS-LM014001 · Official waterbody report

Nearby Lakes in Russell County

Frequently asked questions about Wilson Lake

Where is Wilson Lake?

Wilson Lake is a lake in Russell County, Kansas. Its water-quality measurements are published by KDHE and shown on this page as reported.

What is the water quality of Wilson Lake?

Wilson Lake in Russell County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 8.7 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 2.8 µg/L. Surface area: 9040 acres.

Measurements on this page ↑

Is Wilson Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Wilson Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for salinity / chlorides. Check local advisories before you swim.

Swimming on this page ↑

Are there boat ramps on Wilson Lake?

Wilson Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Wilson-State Park, Wilson-Otoe. Public access is listed as yes.

Access on this page ↑

Can I fish at Wilson Lake?

Wilson Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Kansas's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

Are there campgrounds on Wilson Lake?

Wilson Lake has 2 public campgrounds from USGS The National Map within 5 km, including Sylvan Park, Lucas Park. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Access on this page ↑

Where this data comes from

15 measurements from 1 monitoring station, 2012–2018. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Kansas Department Of Health And Environment21KAN001_WQX15 samples · 2012–2018

Analytical methods

  • Depth, Secchi disk depth
  • Phosphorus by 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

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

Public campgrounds from USGS The National Map Structures, within about 3 miles