Oaks Park Reservoir
Uintah County, UtahView mapDirections
Utah DWQ publishes the water-quality measurements for Oaks Park Reservoir. Here is what has been measured.
- Mesotrophic
- 24 ft max depth
- Limited data
Oaks Park Reservoir in Uintah County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 3.3 ft visibility. Phosphorus: 20.5 µg/L. Chlorophyll-a (algae): 2.5 µg/L.
Oaks Park Reservoir is a mesotrophic lake in Uintah County, Utah with an estimated average depth of about 24 feet. Overall water quality is improving over recent sampling years. Compared to the 13 other monitored lakes in Uintah County, Oaks Park Reservoir ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2023-09-06. Methodology: how these readings are compared.
What Oaks Park Reservoir is good for
From access and monitoring records, not editorial picks.
- Camping3 public campgrounds nearby
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Oaks Park Reservoir is safe to swim in today is a call for the Utah Division of Water Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Oaks Park Reservoir
These are the measurements Utah DWQ publishes for Oaks Park Reservoir, 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 3.3 ft of visibility. Phosphorus 20.5 µg/L. Chlorophyll-a 2.5 µg/L. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20.5µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 2.5µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Oaks Park Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~24 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Utah has not published bathymetry for Oaks Park Reservoir.
Lake Size & Watershed
Watershed (drainage) area
11 sq mi
HydroLAKES / HydroSHEDS
Surface area
368 acres
HydroLAKES / HydroSHEDS
Shoreline
4.3 mi
HydroLAKES / HydroSHEDS
Elevation
9,285 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.
Recreation & Access
Public campgrounds near Oaks Park Reservoir
- Oaks Park Campground0.4 km
- Trout Creek Guard Station4.6 kmReserve
- Kaler Hollow Campground4.8 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Oaks Park Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Oaks Park Reservoir in Uintah County, Utah — 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.
Top-rated places to stay near Oaks Park Reservoir
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Fishing Oaks Park Reservoir
Water quality readings over time
2 seasons of samples on record (2017–2023). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Reservoir Info (USACE NID)
Oaks Park Reservoir is a man-made reservoir impounded by the Oaks Park (completed 1938), built primarily for irrigation on the Big Brush Creek; earth-type dam, 56 ft tall and 1,108 ft long.
- Normal storage
- 6,170 ac-ft
- Max storage
- 9,080 ac-ft
- Drainage area
- 11.9 sq mi
- Hazard class
- High
- Owner
- ASHLEY VALLEY RESERVOIR COMPANY
Source: USACE National Inventory of Dams, NID ID UT00234 · Operator website
Nearby Lakes in Uintah County
Frequently asked questions about Oaks Park Reservoir
Where is Oaks Park Reservoir?
- Oaks Park Reservoir is a lake in Uintah County, Utah. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.
What is the water quality of Oaks Park Reservoir?
- Oaks Park Reservoir in Uintah County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 3.3 ft visibility. Phosphorus: 20.5 µg/L. Chlorophyll-a (algae): 2.5 µg/L.
Is Oaks Park Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Oaks Park Reservoir?
- No published bathymetric survey covers Oaks Park Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 24 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 campgrounds on Oaks Park Reservoir?
- Oaks Park Reservoir has 3 public campgrounds from USGS The National Map within 5 km, including Oaks Park Campground, Trout Creek Guard Station, Kaler Hollow Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Oaks Park Reservoir across LakeQuality
Planning a trip around Dinosaur?
Oaks Park Reservoir is about 40 miles from Dinosaur National Monument. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Dinosaur →More lakes in Utah
Other Lakes in Utah
Mesotrophic Lakes in Utah
Where this data comes from
24 measurements from 1 monitoring station, 2017–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Utah Department Of Environmental Quality
UTAHDWQ_WQX24 samples · 2017–2023
Analytical methods
- Field Measurements
- 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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Public campgrounds from USGS The National Map Structures, within about 3 miles