Butler Co State Fishing Lake
Butler County, KansasView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Impaired · Nutrients (phosphorus, nitrogen)
- 31 ft max depth
- Public access
- Limited data
Butler Co State Fishing Lake in Butler County, Kansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.1 ft visibility. Phosphorus: 120 µg/L. Chlorophyll-a (algae): 33 µg/L.
- Clarity
- 2.1 ft
- Max depth
- ~31 ft est.
- Phosphorus
- 120 µg/L
- Chlorophyll-a
- 33 µg/L
- Public access
- Yes
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Watch Butler Co State Fishing Lake’s letter
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Why Butler Co State Fishing Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Butler Co State Fishing Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by KDHE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Butler Co State Fishing Lake is a lake in Butler County, Kansas with an estimated average depth of about 31 feet. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2014-08-18. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Butler Co State Fishing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water quality measurements for Butler Co State Fishing Lake
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 2.1 ft of visibility. Phosphorus 120 µg/L. Chlorophyll-a 33 µg/L. TSI 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 ft | Not graded |
| Phosphorus | 120 µg/L | Not graded |
| Chlorophyll-a (Algae) | 33 µg/L | Not graded |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~31 ft est. |
| Average Depth | ~9 ft est. |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Kansas has not published bathymetry for Butler Co State Fishing Lake.
Lake Size & Watershed
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.
Fishing Butler Co State Fishing Lake
Reservoir Info (USACE NID)
Butler Co State Fishing Lake is a man-made reservoir impounded by the State Fishing Lake (completed 1955) on the North Branch Rock Creek, 33 ft tall and 1,270 ft long.
- Normal storage
- 1,057 ac-ft
- Max storage
- 1,342 ac-ft
- Hazard class
- Low
- Owner
- KANSAS DEPT OF WILDLIFE PARKS & TOURISM
Source: USACE National Inventory of Dams, NID ID KS00311 · Operator website · Matched by proximity (0.17 km)
EPA Impairment Status
Butler 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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit KS-LM049401 · Official waterbody report · Matched by proximity (0.59 km)
Graded lakes near Butler Co State Fishing Lake
Butler Co State Fishing Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Butler County
Frequently asked questions about Butler Co State Fishing Lake
Where is Butler Co State Fishing Lake?
- Butler Co State Fishing Lake is a lake in Butler County, Kansas. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Butler Co State Fishing Lake?
- Butler Co State Fishing Lake in Butler County, Kansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.1 ft visibility. Phosphorus: 120 µg/L. Chlorophyll-a (algae): 33 µg/L.
Is Butler Co State Fishing Lake safe to swim in?
- The letter is not a swimming clearance. Butler Co State Fishing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Butler Co State Fishing Lake?
- No published bathymetric survey covers Butler Co State Fishing 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.
Explore Butler Co State Fishing Lake across LakeQuality
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Where this data comes from
5 measurements from 1 monitoring station, 2014. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kansas Department Of Health And Environment
21KAN001_WQX5 samples · 2014
Analytical methods
- Depth, Secchi disk depth
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)