Wellington New City Lake
Sumner County, Kansas675 acresView mapDirections
KDHE publishes the water-quality measurements for Wellington New City Lake. Here is what has been measured.
- Hypereutrophic
- 49 ft max depth
- Limited data
Wellington New City Lake in Sumner County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 1.9 ft visibility. Phosphorus: 70.5 µg/L. Chlorophyll-a (algae): 31 µg/L. Surface area: 675 acres.
Wellington New City Lake is a 675-acre highly nutrient-loaded hypereutrophic lake in Sumner County, Kansas with an estimated average depth of about 49 feet. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2017-06-27. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited 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. Check local advisories before you swim.
Whether Wellington New 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 Wellington New City Lake
These are the measurements KDHE publishes for Wellington New 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 1.9 ft of visibility. Phosphorus 70.5 µg/L. Chlorophyll-a 31 µg/L. TSI 66.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 70.5µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 31µg/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. | 66 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Wellington New City Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~49 ft est.
Surface area
675 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 Wellington New City Lake.
Lake Size & Watershed
Watershed (drainage) area
22 sq mi
HydroLAKES / HydroSHEDS
Shoreline
6.6 mi
HydroLAKES / HydroSHEDS
Elevation
1,220 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 Wellington New City Lake
Compare lakeside cabins, hotels, and vacation rentals near Wellington New City Lake in Sumner 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 Wellington New City Lake are listed below.
Top-rated places to stay near Wellington New 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 Wellington New City Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Wellington New City Lake
Water quality readings over time
2 seasons of samples on record (2012–2017). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Worsening+5.1 µg/L/yr2 years
Chlorophyll-a
Worsening+7.9 µg/L/yr2 years
Reservoir Info (USACE NID)
Wellington New City Lake is a man-made reservoir impounded by the New Wellington Lake (completed 1996), built primarily for water supply on the East Prairie Creek; earth-type dam, 39 ft tall and 3,700 ft long.
- Surface area
- 675 ac
- Normal storage
- 5,907 ac-ft
- Max storage
- 15,986 ac-ft
- Drainage area
- 17.8 sq mi
- Hazard class
- Significant
- Owner
- WELLINGTON, CITY OF
All listed purposes: Water Supply;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID KS07526 · Operator website · Matched by proximity (0.15 km)
Nearby Lakes in Sumner County
Frequently asked questions about Wellington New City Lake
Where is Wellington New City Lake?
- Wellington New City Lake is a lake in Sumner County, Kansas. Its water-quality measurements are published by KDHE and shown on this page as reported.
What is the water quality of Wellington New City Lake?
- Wellington New City Lake in Sumner County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 1.9 ft visibility. Phosphorus: 70.5 µg/L. Chlorophyll-a (algae): 31 µg/L. Surface area: 675 acres.
Is Wellington New City Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Wellington New City Lake?
- No published bathymetric survey covers Wellington New City Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 49 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 675 acres.
Explore Wellington New 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, 2012–2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kansas Department Of Health And Environment
21KAN001_WQX10 samples · 2012–2017
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
Lake size & watershed from HydroLAKES (HydroSHEDS)