Causey Reservoir
Weber County, Utah136 acresView mapDirections
Utah DWQ publishes the water-quality measurements for Causey Reservoir. Here is what has been measured.
- Oligotrophic
- Limited data
Causey Reservoir in Weber County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 15.1 ft visibility. Phosphorus: 7.8 µg/L. Chlorophyll-a (algae): 1.7 µg/L. Surface area: 136 acres.
Causey Reservoir is a 136-acre cold, clear oligotrophic lake in Weber County, Utah. Compared to the 6 other monitored lakes in Weber County, Causey Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2022-07-27. Methodology: how these readings are compared.
Causey Reservoir covers about 140 acres in Weber County. If you are planning to stay, you can search lake houses and cabins around Causey Reservoir on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Causey Reservoir is good for
From access and monitoring records, not editorial picks.
- Clear water15.1 ft of visibility
- Camping5 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 Causey 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 Causey Reservoir
These are the measurements Utah DWQ publishes for Causey Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 15.1 ft down. Phosphorus 7.8 µg/L. Chlorophyll-a 1.7 µg/L. TSI 36.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 15.1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 7.8µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 1.7µg/L | Measured, not scored 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. | 36 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Causey Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
136 acres
No bathymetric survey has been published for Causey Reservoir, so its depth is not documented here.
Recreation & Access
Public campgrounds near Causey Reservoir
- Willows Cg4.1 km
- Upper Meadows4.3 km
- Perception Park4.6 kmReserve
- Perception Park Family Cg4.7 km
- Lower Meadows4.9 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 Causey Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Causey Reservoir in Weber 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 Causey Reservoir
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Fishing Causey Reservoir
Reservoir Info (USACE NID)
Causey Reservoir is a man-made reservoir impounded by the Causey Dam (completed 1966), built primarily for irrigation on the South Fork Ogden River; earth-type dam, 218 ft tall and 845 ft long.
- Surface area
- 136 ac
- Normal storage
- 7,870 ac-ft
- Max storage
- 8,730 ac-ft
- Drainage area
- 80.42 sq mi
- Hazard class
- High
- Owner
- BUREAU OF RECLAMATION
Source: USACE National Inventory of Dams, NID ID UT10116 · Operator website
Nearby Lakes in Weber County
Frequently asked questions about Causey Reservoir
Where is Causey Reservoir?
- Causey Reservoir is a lake in Weber County, Utah. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.
What is the water quality of Causey Reservoir?
- Causey Reservoir in Weber County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 15.1 ft visibility. Phosphorus: 7.8 µg/L. Chlorophyll-a (algae): 1.7 µg/L. Surface area: 136 acres.
Is Causey Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Causey Reservoir?
- Causey Reservoir has 5 public campgrounds from USGS The National Map within 5 km, including Willows Cg, Upper Meadows, Perception Park, Perception Park Family Cg. 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 Causey Reservoir across LakeQuality
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Other Lakes in Utah
Oligotrophic Lakes in Utah
Where this data comes from
8 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Utah Department Of Environmental Quality
UTAHDWQ_WQX8 samples · 2022
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
Public campgrounds from USGS The National Map Structures, within about 3 miles