Hogan Reservoir
Park County, Wyoming8 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Hogan Reservoir. Here is what has been measured.
- Limited data
Hogan Reservoir in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 20 µg/L. Surface area: 8 acres.
Hogan Reservoir is a 8-acre lake in Park County, Wyoming. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2015-09-21. Methodology: how these readings are compared.
Hogan Reservoir covers about 8 acres in Park County. For a place on the water, look through cabin and lake-house rentals near Hogan Reservoir on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Hogan Reservoir is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Hogan 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 Hogan Reservoir
These are the measurements Wyoming DEQ publishes for Hogan 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 20 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 20µg/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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Hogan Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
8 acres
No bathymetric survey has been published for Hogan Reservoir, so its depth is not documented here.
Recreation & Access
Public campgrounds near Hogan Reservoir
- Hogan and Luce Campground0.2 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 Hogan Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Hogan Reservoir in Park County, Wyoming — 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 Hogan Reservoir
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Fishing Hogan 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
Improving2 years
Phosphorus
Improving-2.74 µg/L/yr3 years
Chlorophyll-a
Worsening+0.18 µg/L/yr2 years
Reservoir Info (USACE NID)
Hogan Reservoir is a man-made reservoir impounded by the Paint Creek (completed 1911), built primarily for irrigation on the Paint Creek Offstream; earth-type dam, 20 ft tall and 740 ft long.
- Surface area
- 8 ac
- Normal storage
- 98 ac-ft
- Max storage
- 675 ac-ft
- Hazard class
- Low
- Owner
- FS RANCH, B4 RANCH
Source: USACE National Inventory of Dams, NID ID WY01179 · Operator website · Matched by proximity (0.38 km)
Nearby Lakes in Park County
Frequently asked questions about Hogan Reservoir
Where is Hogan Reservoir?
- Hogan 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 Hogan Reservoir?
- Hogan Reservoir in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 20 µg/L. Surface area: 8 acres.
Is Hogan Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Hogan Reservoir?
- Hogan Reservoir has 1 public campground from USGS The National Map within 5 km, including Hogan and Luce 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 Hogan Reservoir across LakeQuality
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Where this data comes from
4 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_WATERSHED4 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
Public campgrounds from USGS The National Map Structures, within about 3 miles