Neosho Co State Fishing Lake
Neosho County, KansasView mapDirections
KDHE publishes the water-quality measurements for Neosho Co State Fishing Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- 42 ft max depth
- Public access
- Limited data
Neosho Co State Fishing Lake in Neosho County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 2 ft visibility. Phosphorus: 89 µg/L. Chlorophyll-a (algae): 85 µg/L.
Neosho Co State Fishing Lake is a lake in Neosho County, Kansas with an estimated average depth of about 42 feet. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2015-09-09. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Neosho Co State Fishing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Whether Neosho Co State Fishing 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 Neosho Co State Fishing Lake
These are the measurements KDHE publishes for Neosho Co State Fishing 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 2 ft of visibility. Phosphorus 89 µg/L. Chlorophyll-a 85 µg/L. TSI 70.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 89µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 85µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 70 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Neosho Co State Fishing Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~42 ft est.
Public access
Yes
Listed by KDHE
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Kansas has not published bathymetry for Neosho Co State Fishing Lake.
Lake Size & Watershed
Watershed (drainage) area
4 sq mi
HydroLAKES / HydroSHEDS
Surface area
44 acres
HydroLAKES / HydroSHEDS
Shoreline
1.4 mi
HydroLAKES / HydroSHEDS
Elevation
902 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.
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Fishing Neosho Co State Fishing Lake
Reservoir Info (USACE NID)
Neosho Co State Fishing Lake is a man-made reservoir impounded by the (completed 1926) on the Neosho River-Tr, 38 ft tall and 1,020 ft long.
- Normal storage
- 860 ac-ft
- Max storage
- 1,060 ac-ft
- Hazard class
- Low
- Owner
- KANSAS DEPT OF WILDLIFE PARKS & TOURISM
Source: USACE National Inventory of Dams, NID ID KS00887 · Operator website · Matched by proximity (0.09 km)
EPA Impairment Status
Neosho Co State Fishing 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-LM044601 · Official waterbody report
Nearby Lakes in Neosho County
Frequently asked questions about Neosho Co State Fishing Lake
Where is Neosho Co State Fishing Lake?
- Neosho Co State Fishing Lake is a lake in Neosho County, Kansas. Its water-quality measurements are published by KDHE and shown on this page as reported.
What is the water quality of Neosho Co State Fishing Lake?
- Neosho Co State Fishing Lake in Neosho County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 2 ft visibility. Phosphorus: 89 µg/L. Chlorophyll-a (algae): 85 µg/L.
Is Neosho Co State Fishing Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Neosho Co State Fishing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
How deep is Neosho Co State Fishing Lake?
- No published bathymetric survey covers Neosho Co State Fishing Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 42 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Can I fish at Neosho Co State Fishing Lake?
- Public access to Neosho Co State Fishing Lake is listed as yes on the lake record. 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.
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Where this data comes from
5 measurements from 1 monitoring station, 2015. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kansas Department Of Health And Environment
21KAN001_WQX5 samples · 2015
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)