Sulphur Creek Reservoir
Uinta County, Wyoming632 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Sulphur Creek Reservoir. Here is what has been measured.
- Public access
- Limited data
Sulphur Creek Reservoir in Uinta County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 3.1 ft visibility. Phosphorus: 14.2 µg/L. Surface area: 632 acres.
Sulphur Creek Reservoir is a 632-acre lake in Uinta County, Wyoming. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2013-09-12. Methodology: how these readings are compared.
Sulphur Creek Reservoir covers about 630 acres in Uinta County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Sulphur Creek Reservoir, and Booking.com and Expedia search hotels near the lake for your dates.
What Sulphur Creek Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Sulphur Creek Reservoir is safe to swim in today is a call for the Wyoming Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Sulphur Creek Reservoir
These are the measurements Wyoming DEQ publishes for Sulphur Creek 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 3.1 ft of visibility. Phosphorus 14.2 µg/L. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 14.2µg/L | Measured, not scored 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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Sulphur Creek Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
632 acres
Public access
Yes
Listed by Wyoming DEQ
No bathymetric survey has been published for Sulphur Creek Reservoir, so its depth is not documented here.
Recreation & Access
- Sulphur Creek ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fishing Sulphur Creek Reservoir
Water quality readings over time
3 seasons of samples on record (2012–2017). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Improving-4.31 µg/L/yr3 years
Chlorophyll-a
Stable+0.04 µg/L/yr2 years
Reservoir Info (USACE NID)
Sulphur Creek Reservoir is a man-made reservoir impounded by the Sulphur Creek (completed 1964), built primarily for irrigation on the Sulphur Creek; earth-type dam, 85 ft tall and 4,725 ft long.
- Surface area
- 632 ac
- Normal storage
- 19,775 ac-ft
- Max storage
- 19,775 ac-ft
- Drainage area
- 62.7 sq mi
- Hazard class
- High
- Owner
- CITY OF EVANSTON
All listed purposes: Irrigation;Other;Fish and Wildlife Pond;Water Supply;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID WY01196 · Operator website
Nearby Lakes in Uinta County
Frequently asked questions about Sulphur Creek Reservoir
Where is Sulphur Creek Reservoir?
- Sulphur Creek Reservoir is a lake in Uinta County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Sulphur Creek Reservoir?
- Sulphur Creek Reservoir in Uinta County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 3.1 ft visibility. Phosphorus: 14.2 µg/L. Surface area: 632 acres.
Is Sulphur Creek Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Sulphur Creek Reservoir?
- Sulphur Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Sulphur Creek Reservoir. Public access is listed as yes.
Can I fish at Sulphur Creek Reservoir?
- Sulphur Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wyoming's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
4 measurements from 1 monitoring station, 2013. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- State of Wyoming Department of Environmental Quality Watershed Program
WYDEQ_WATERSHED4 samples · 2013
Analytical methods
- Secchi
- Total Phosphorus After Block Digestion
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
Named boat-access points from the USGS National Boat Ramps inventory