Anthony City Lake
Harper County, Kansas130 acresView mapDirections
KDHE publishes the water-quality measurements for Anthony City Lake. Here is what has been measured.
- Hypereutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- 31 ft max depth
- Limited data
Anthony City Lake in Harper County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 0.4 ft visibility. Phosphorus: 200.3 µg/L. Chlorophyll-a (algae): 38.6 µg/L. Surface area: 129.9 acres.
Anthony City Lake is a 130-acre highly nutrient-loaded hypereutrophic lake in Harper County, Kansas with an estimated average depth of about 31 feet. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2018-07-30. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
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. Anthony City Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, sediment / turbidity. Check local advisories before you swim.
Whether Anthony City 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.
Water quality measurements for Anthony City Lake
These are the measurements KDHE publishes for Anthony City Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.4 ft of visibility. Phosphorus 200.3 µg/L. Chlorophyll-a 38.6 µg/L. TSI 79.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 200µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 38.6µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 79 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Anthony City Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~31 ft est.
Surface area
130 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Kansas has not published bathymetry for Anthony City Lake.
Lake Size & Watershed
Watershed (drainage) area
15 sq mi
HydroLAKES / HydroSHEDS
Shoreline
2.6 mi
HydroLAKES / HydroSHEDS
Elevation
1,348 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Anthony City Lake
Compare lakeside cabins, hotels, and vacation rentals near Anthony City Lake in Harper 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Anthony City Lake are listed below.
Top-rated places to stay near Anthony City 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 whole trip? See where to stay at Kansas’s top lakes →
Follow Anthony City Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Anthony City Lake
Water quality readings over time
2 seasons of samples on record (2012–2018). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Worsening+26.67 µg/L/yr2 years
Chlorophyll-a
Improving-1.48 µg/L/yr2 years
Reservoir Info (USACE NID)
Anthony City Lake is a man-made reservoir impounded by the Anthony City Dam (completed 1935), built primarily for recreation on the Spring Creek; earth-type dam, 41 ft tall and 1,680 ft long.
- Surface area
- 129.9 ac
- Normal storage
- 1,210 ac-ft
- Max storage
- 1,915 ac-ft
- Drainage area
- 21.31 sq mi
- Hazard class
- Low
- Owner
- ANTHONY, CITY OF
All listed purposes: Recreation;Fish and Wildlife Pond;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID KS02481 · Operator website
EPA Impairment Status
Anthony City 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: Drinking water, Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit KS-LM048801 · Official waterbody report
Nearby Lakes in Harper County
Frequently asked questions about Anthony City Lake
Where is Anthony City Lake?
- Anthony City Lake is a lake in Harper County, Kansas. Its water-quality measurements are published by KDHE and shown on this page as reported.
What is the water quality of Anthony City Lake?
- Anthony City Lake in Harper County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 0.4 ft visibility. Phosphorus: 200.3 µg/L. Chlorophyll-a (algae): 38.6 µg/L. Surface area: 129.9 acres.
Is Anthony City Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Anthony City Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, sediment / turbidity. Check local advisories before you swim.
How deep is Anthony City Lake?
- No published bathymetric survey covers Anthony City Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 31 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 129.9 acres.
Explore Anthony City Lake across LakeQuality
More lakes in Kansas
Other Lakes in Kansas
Hypereutrophic Lakes in Kansas
Where this data comes from
10 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 Environment
21KAN001_WQX10 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
Lake size & watershed from HydroLAKES (HydroSHEDS)