Ochoco Lake County Park Boat Ramp
Crook County, OregonView mapDirections
Nutrients and algae run above the regional average.
- Eutrophic
- Impaired · Mercury
- #3 of 3 in the county
- 54 ft max depth
- Public access
- Limited data
Ochoco Lake County Park Boat Ramp in Crook County, Oregon has a water quality grade of D (Nutrient-rich). Chlorophyll-a (algae): 12 µg/L.
- Max depth
- ~54 ft est.
- Type
- Eutrophic
- Chlorophyll-a
- 12 µg/L
- Public access
- Yes
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Stays near Ochoco Lake County Park Boat Ramp
Compare lakeside cabins, hotels, and vacation rentals near Ochoco Lake County Park Boat Ramp in Crook County, Oregon — 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 grade measures nutrients and algae, not lodging — cabins and rentals around Ochoco Lake County Park Boat Ramp are listed below.
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Ochoco Lake County Park Boat Ramp is a productive, nutrient-rich eutrophic lake in Crook County, Oregon with an estimated average depth of about 54 feet. Water quality is graded D based on 1 sampling years through 2025. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 2 other monitored lakes in Crook County, Ochoco Lake County Park Boat Ramp ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled 2025-09-23. Grade methodology: LakeQuality methodology.
What Ochoco Lake County Park Boat Ramp is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The D is nutrients and algae, not a swimming clearance. Ochoco Lake County Park Boat Ramp is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, temperature. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Chlorophyll-a 12 µg/L. TSI 55. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 12 µg/L | Poor |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~54 ft est. |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Oregon has not published bathymetry for Ochoco Lake County Park Boat Ramp.
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
- Ochoco Reservoir County ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Ochoco Lake County Park Boat Ramp
EPA Impairment Status
Ochoco Lake County Park Boat Ramp is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit OR_LK_1707030504_05_100109 · Official waterbody report · Matched by proximity (0.88 km)
County Ranking
Ranked #3 of 3 lakes in Crook County
Nearby Lakes in Crook County
Frequently asked questions about Ochoco Lake County Park Boat Ramp
Where is Ochoco Lake County Park Boat Ramp?
- Ochoco Lake County Park Boat Ramp is a lake in Crook County, Oregon. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Ochoco Lake County Park Boat Ramp?
- Ochoco Lake County Park Boat Ramp in Crook County, Oregon has a water quality grade of D (Nutrient-rich). Chlorophyll-a (algae): 12 µg/L.
Is Ochoco Lake County Park Boat Ramp safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Ochoco Lake County Park Boat Ramp is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, temperature. Check local advisories before you swim.
How deep is Ochoco Lake County Park Boat Ramp?
- No published bathymetric survey covers Ochoco Lake County Park Boat Ramp, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 54 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Ochoco Lake County Park Boat Ramp?
- Ochoco Lake County Park Boat Ramp has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ochoco Reservoir County Park. Public access is listed as yes.
Explore Ochoco Lake County Park Boat Ramp across LakeQuality
More Oregon Lake Rankings
Other Grade D Lakes in Oregon
Jefferson County · Nutrient-rich
Jefferson County · Nutrient-rich
Jefferson County · Nutrient-rich
Jefferson County · 4.6 ft
Jefferson County · 5.6 ft
Wasco County · Nutrient-rich
Eutrophic Lakes in Oregon
Where this data comes from
4 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Department of Environmental Quality - State of Oregon
OREGONDEQ4 samples · 2025
Analytical methods
- 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