Rooks Co State Fishing Lake
Rooks County, Kansas67 acresView 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)
- 25 ft max depth
- Public access
- Limited data
Rooks Co State Fishing Lake in Rooks County, Kansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.9 ft visibility. Chlorophyll-a (algae): 24.2 µg/L. Surface area: 67 acres.
- Clarity
- 2.9 ft
- Max depth
- ~25 ft est.
- Area
- 67 acres
- Chlorophyll-a
- 24.2 µg/L
- Public access
- Yes
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Watch Rooks Co State Fishing Lake’s letter
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Why Rooks 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 Rooks 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 and algae (chlorophyll-a), but not phosphorus.
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.
Rooks Co State Fishing Lake is a 67-acre lake in Rooks County, Kansas with an estimated average depth of about 25 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2018-08-13. Grade methodology: LakeQuality methodology.
What Rooks Co State Fishing Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Rooks Co State Fishing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
Water quality measurements for Rooks Co State Fishing Lake
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 2.9 ft of visibility. Chlorophyll-a 24.2 µg/L. TSI 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 24.2 µg/L | Not graded |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~25 ft est. |
| Average Depth | ~9 ft est. |
| Surface Area | 67 acres |
| 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 Rooks 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.
Recreation & Access
- Lake StocktonPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Rooks Co State Fishing Lake
Reservoir Info (USACE NID)
Rooks Co State Fishing Lake is a man-made reservoir impounded by the Rooks County State Lake (completed 1934), built primarily for fish and wildlife pond on the Boxelder Creek; earth-type dam, 36 ft tall and 950 ft long.
- Surface area
- 67 ac
- Normal storage
- 515.5 ac-ft
- Max storage
- 1,345 ac-ft
- Drainage area
- 27.3 sq mi
- Hazard class
- Low
- Owner
- KANSAS DEPT OF WILDLIFE PARKS & TOURISM
All listed purposes: Fish and Wildlife Pond;Recreation.
Source: USACE National Inventory of Dams, NID ID KS00892 · Operator website · Matched by proximity (0.16 km)
EPA Impairment Status
Rooks 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-LM011901 · Official waterbody report · Matched by proximity (0.25 km)
Graded lakes near Rooks Co State Fishing Lake
Rooks Co State Fishing Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Rooks County
Frequently asked questions about Rooks Co State Fishing Lake
Where is Rooks Co State Fishing Lake?
- Rooks Co State Fishing Lake is a lake in Rooks 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 Rooks Co State Fishing Lake?
- Rooks Co State Fishing Lake in Rooks County, Kansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.9 ft visibility. Chlorophyll-a (algae): 24.2 µg/L. Surface area: 67 acres.
Is Rooks Co State Fishing Lake safe to swim in?
- The letter is not a swimming clearance. Rooks Co State Fishing Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
How deep is Rooks Co State Fishing Lake?
- No published bathymetric survey covers Rooks Co State Fishing Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 25 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 67 acres.
Are there boat ramps on Rooks Co State Fishing Lake?
- Rooks Co State Fishing Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Stockton. Public access is listed as yes.
Explore Rooks Co State Fishing Lake across LakeQuality
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Where this data comes from
3 measurements from 1 monitoring station, 2018. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kansas Department Of Health And Environment
21KAN001_WQX3 samples · 2018
Analytical methods
- Depth, Secchi disk depth
- 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)
Named boat-access points from the USGS National Boat Ramps inventory