Granite Basin Lake
Yavapai County, Arizona7 acresView mapDirections
No nutrient or algae sampling on record from ADEQ for this lake.
- Limited data
Granite Basin Lake in Yavapai County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 7 acres.
Granite Basin Lake is a 7-acre lake in Yavapai County, Arizona.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2022-04-12. Methodology: how these readings are compared.
Granite Basin Lake covers about 7 acres in Yavapai County. For a place on the water, look through cabin and lake-house rentals near Granite Basin Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Granite Basin Lake is good for
From access and monitoring records, not editorial picks.
- Camping2 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Granite Basin Lake is safe to swim in today is a call for the Arizona Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Granite Basin Lake
These are the measurements ADEQ publishes for Granite Basin Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Granite Basin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
7 acres
No bathymetric survey has been published for Granite Basin Lake, so its depth is not documented here.
Recreation & Access
Public campgrounds near Granite Basin Lake
- Yavapai Campground1.9 km
- Alto Pit Ohv Campground3.2 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 Granite Basin Lake
Compare lakeside cabins, hotels, and vacation rentals near Granite Basin Lake in Yavapai County, Arizona — 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 Granite Basin Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Fishing Granite Basin Lake
Reservoir Info (USACE NID)
Granite Basin Lake is a man-made reservoir impounded by the Granite Basin (completed 1939), built primarily for recreation on the Mint Wash; concrete-type dam, 27 ft tall and 438 ft long.
- Surface area
- 7 ac
- Normal storage
- 90 ac-ft
- Max storage
- 90 ac-ft
- Drainage area
- 5 sq mi
- Hazard class
- High
- Owner
- USDA FS
All listed purposes: Recreation;Fish and Wildlife Pond.
Source: USACE National Inventory of Dams, NID ID AZ10143 · Operator website
Nearby Lakes in Yavapai County
Frequently asked questions about Granite Basin Lake
Where is Granite Basin Lake?
- Granite Basin Lake is a lake in Yavapai County, Arizona. Its water-quality measurements are published by ADEQ and shown on this page as reported.
What is the water quality of Granite Basin Lake?
- Granite Basin Lake in Yavapai County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 7 acres.
Is Granite Basin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Granite Basin Lake?
- Granite Basin Lake has 2 public campgrounds from USGS The National Map within 5 km, including Yavapai Campground, Alto Pit Ohv 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.
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Where this data comes from
6 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Great Lakes Environmental Center
GLEC6 samples · 2021–2022
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
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