Luna Lake
Apache County, Arizona163 acresView mapDirections
No nutrient or algae sampling on record from ADEQ for this lake.
- Impaired · Ammonia
- Public access
- Limited data
Luna Lake in Apache County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 163 acres.
Luna Lake is a 163-acre lake in Apache County, Arizona. 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, ADEQ, last sampled 2026-03-22. Methodology: how these readings are compared.
Luna Lake covers about 160 acres in Apache County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Luna Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Luna Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping2 public campgrounds nearby
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Luna Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for ammonia, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Whether Luna 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 Luna Lake
These are the measurements ADEQ publishes for Luna 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 Luna Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
163 acres
Public access
Yes
Listed by ADEQ
No bathymetric survey has been published for Luna Lake, so its depth is not documented here.
Recreation & Access
- Luna LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Luna Lake
- Luna Lake Group Cg0.5 km
- Luna Lake0.5 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 Luna Lake
Compare lakeside cabins, hotels, and vacation rentals near Luna Lake in Apache 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 Luna Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Planning a trip? Cabins and lodging at Luna Lake → · more Arizona lake trips
Follow Luna Lake’s readings
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Fishing Luna Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2012–2020).
Water clarity
Improving4 years
Phosphorus
Worsening+39.49 µg/L/yr4 years
Chlorophyll-a
Improving-2.74 µg/L/yr3 years
Reservoir Info (USACE NID)
Luna Lake is a man-made reservoir impounded by the Luna (completed 1911), built primarily for irrigation on the San Francisco River; earth-type dam, 27 ft tall and 292 ft long.
- Surface area
- 163 ac
- Normal storage
- 1,390 ac-ft
- Max storage
- 1,800 ac-ft
- Drainage area
- 36 sq mi
- Hazard class
- Significant
- Owner
- LUNA IRRIGATION CO.
All listed purposes: Irrigation;Recreation.
Source: USACE National Inventory of Dams, NID ID AZ00030 · Operator website
EPA Impairment Status
Luna Lake 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, Recreation, Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit AZL15040004-0840_00 · Official waterbody report
Nearby Lakes in Apache County
Frequently asked questions about Luna Lake
Where is Luna Lake?
- Luna Lake is a lake in Apache County, Arizona. Its water-quality measurements are published by ADEQ and shown on this page as reported.
What is the water quality of Luna Lake?
- Luna Lake in Apache County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 163 acres.
Is Luna Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Luna Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for ammonia, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Are there boat ramps on Luna Lake?
- Luna Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Luna Lake. Public access is listed as yes.
Can I fish at Luna Lake?
- Luna Lake 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 Arizona's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Luna Lake?
- Luna Lake has 2 public campgrounds from USGS The National Map within 5 km, including Luna Lake Group Cg, Luna Lake. 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 Luna Lake across LakeQuality
2 thermal springs within 16.4 mi, nearest Frieborn Canyon Spring
Species activity outlook by water temperature and season
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Where this data comes from
3 measurements from 1 monitoring station, 2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Great Lakes Environmental Center
GLEC3 samples · 2026
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 300.0 ~ EPA; Determination of Inorganic Anions by Ion Chromatography
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