Hudson Lake
Osage County, Oklahoma259 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Hudson Lake. Here is what has been measured.
- Limited data
Hudson Lake in Osage County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.7 ft visibility. Surface area: 259 acres.
Hudson Lake is a 259-acre lake in Osage County, Oklahoma. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2023-09-25. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Hudson Lake is safe to swim in today is a call for the Oklahoma Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Hudson Lake
These are the measurements Oklahoma DEQ publishes for Hudson 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 2.7 ft of visibility. TSI 63.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading 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. | 63 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Hudson Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
259 acres
No bathymetric survey has been published for Hudson Lake, so its depth is not documented here.
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Stays near Hudson Lake
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Fishing Hudson Lake
Water quality readings over time
3 seasons of samples on record (2012–2023). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Worsening+1.36 µg/L/yr2 years
Chlorophyll-a
Worsening+0.64 µg/L/yr2 years
Reservoir Info (USACE NID)
Hudson Lake is a man-made reservoir impounded by the Hudson Lake (completed 1949), built primarily for water supply on the Butler Creek; earth-type dam, 60 ft tall and 1,310 ft long.
- Surface area
- 259 ac
- Normal storage
- 4,000 ac-ft
- Max storage
- 39,700 ac-ft
- Drainage area
- 13.6 sq mi
- Hazard class
- High
- Owner
- City of Bartlesville
Source: USACE National Inventory of Dams, NID ID OK01347 · Operator website
Nearby Lakes in Osage County
Frequently asked questions about Hudson Lake
Where is Hudson Lake?
- Hudson Lake is a lake in Osage County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Hudson Lake?
- Hudson Lake in Osage County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.7 ft visibility. Surface area: 259 acres.
Is Hudson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Hudson Lake across LakeQuality
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Where this data comes from
24 measurements from 2 monitoring stations, 2016–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX24 samples · 2016–2023
Analytical methods
- OWRB Lakes Field Data Collection
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Determination of Turbidity
Monitoring station identifiers (2)
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.