Minersville Reservoir
Beaver County, UtahView mapDirections
Utah DWQ publishes the water-quality measurements for Minersville Reservoir. Here is what has been measured.
- Mesotrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Minersville Reservoir in Beaver County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 99 µg/L. Chlorophyll-a (algae): 4.6 µg/L.
Minersville Reservoir is a mesotrophic lake in Beaver County, Utah. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 6 other monitored lakes in Beaver County, Minersville Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2020-08-10. Methodology: how these readings are compared.
Minersville Reservoir has one public boat landing. If you are planning to stay, you can search lake houses and cabins around Minersville Reservoir on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Minersville Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground 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. Minersville Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, temperature. Check local advisories before you swim.
Whether Minersville 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 Minersville Reservoir
These are the measurements Utah DWQ publishes for Minersville 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 2.6 ft of visibility. Phosphorus 99 µg/L. Chlorophyll-a 4.6 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 99µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 4.6µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 60 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Minersville Reservoir
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Minersville ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Minersville Reservoir
- Hanging Rock Campground3.4 kmReserve
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 Minersville Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Minersville Reservoir in Beaver 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 Minersville Reservoir
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Fishing Minersville Reservoir
Water quality readings over time
2 seasons of samples on record (2014–2020). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Reservoir Info (USACE NID)
Minersville Reservoir is a man-made reservoir impounded by the Rocky Ford (Beaver) (completed 1914), built primarily for irrigation on the Beaver River; earth-type dam, 68 ft tall and 1,575 ft long.
- Normal storage
- 14,129 ac-ft
- Max storage
- 38,733 ac-ft
- Drainage area
- 531 sq mi
- Hazard class
- High
- Owner
- ROCKY FORD IRRIGATION COMPANY
Source: USACE National Inventory of Dams, NID ID UT00259 · Operator website · Matched by proximity (0.12 km)
EPA Impairment Status
Minersville Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit UT-L-16030007-011_00 · Official waterbody report
Nearby Lakes in Beaver County
Frequently asked questions about Minersville Reservoir
Where is Minersville Reservoir?
- Minersville Reservoir is a lake in Beaver County, Utah. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.
What is the water quality of Minersville Reservoir?
- Minersville Reservoir in Beaver County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 99 µg/L. Chlorophyll-a (algae): 4.6 µg/L.
Is Minersville Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Minersville Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, temperature. Check local advisories before you swim.
Are there boat ramps on Minersville Reservoir?
- Minersville Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Minersville Reservoir. Public access is listed as yes.
Can I fish at Minersville Reservoir?
- Minersville 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 Utah's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Minersville Reservoir?
- Minersville Reservoir has 1 public campground from USGS The National Map within 5 km, including Hanging Rock 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 Minersville Reservoir across LakeQuality
4 thermal springs within 5.7 mi, nearest Dotsons (Radium) Warm Spring
Species activity outlook by water temperature and season
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Where this data comes from
20 measurements from 1 monitoring station, 2014–2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Utah Department Of Environmental Quality
UTAHDWQ_WQX20 samples · 2014–2020
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles