Luce Reservoir
Park County, Wyoming62 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Luce Reservoir. Here is what has been measured.
- 12 ft max depth
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Luce Reservoir in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 10 µg/L. Surface area: 62 acres.
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Luce Reservoir is a 62-acre lake in Park County, Wyoming with an estimated average depth of about 12 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2015-09-21. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Luce 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 Luce Reservoir
These are the measurements Wyoming DEQ publishes for Luce Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 10 µg/L. TSI 37.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 10 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~12 ft est. |
| Surface Area | 62 acres |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Wyoming has not published bathymetry for Luce Reservoir.
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.
Fishing Luce Reservoir
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.27 m/yr | 2 |
| Phosphorus | ↑ Improving | -2.74 µg/L/yr | 3 |
| Chlorophyll-a | ↓ Declining | +0.18 µg/L/yr | 2 |
Reservoir Info (USACE NID)
Luce Reservoir is a man-made reservoir impounded by the Luce (completed 1912), built primarily for irrigation on the Paint Creek; earth-type dam, 19 ft tall and 555 ft long.
- Surface area
- 62 ac
- Normal storage
- 1,056 ac-ft
- Max storage
- 1,468 ac-ft
- Hazard class
- Low
- Owner
- FS RANCH CORPORATION
Source: USACE National Inventory of Dams, NID ID WY01181 · Operator website
Nearby Lakes in Park County
Frequently asked questions about Luce Reservoir
Where is Luce Reservoir?
- Luce Reservoir is a lake in Park County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Luce Reservoir?
- Luce Reservoir in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 10 µg/L. Surface area: 62 acres.
Is Luce Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Luce Reservoir?
- No published bathymetric survey covers Luce Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 12 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 62 acres.
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Where this data comes from
3 measurements from 1 monitoring station, 2015. 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_WATERSHED3 samples · 2015
Analytical methods
- 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
Lake size & watershed from HydroLAKES (HydroSHEDS)