Bartlett Lake
Maricopa County, Arizona3,519 acresView mapDirections
No nutrient or algae sampling on record from ADEQ for this lake.
- Impaired · Mercury
- Public access
- Limited data
Ask about Bartlett Lake
Answers come straight from the public measurements and survey records on this page.
Bartlett Lake in Maricopa County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 3519 acres.
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Bartlett Lake is a 3,519-acre lake in Maricopa County, Arizona. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2025-11-09. Grade methodology: LakeQuality methodology.
What Bartlett Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground nearby
- Big water3,519 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Bartlett Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Bartlett 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 Bartlett Lake
These are the measurements ADEQ publishes for Bartlett 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.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Current Conditions
USGS snapshot Sep 7, 2026, 3:30 PM from gauge 09509502 (BARTLETT RESERVOIR AT BARTLETT DAM, AZ). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Bartlett Lake water level: the live USGS gauge reading
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 3,519 acres |
| Public Access | Yes |
No bathymetric survey has been published for Bartlett Lake, so its depth is not documented here.
Recreation & Access
- Bartlett ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Bartlett Lake
- Riverside2.9 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
Fishing Bartlett Lake
Reservoir Info (USACE NID)
Bartlett Lake is a man-made reservoir impounded by the Bartlett Dam (completed 1939), built primarily for water supply on the Verde River; buttress-type dam, 309 ft tall and 800 ft long.
- Surface area
- 3,519 ac
- Normal storage
- 178,000 ac-ft
- Max storage
- 249,693 ac-ft
- Drainage area
- 5,828.6 sq mi
- Hazard class
- High
- Owner
- BUREAU OF RECLAMATION
Source: USACE National Inventory of Dams, NID ID AZ10308 · Operator website
EPA Impairment Status
Bartlett Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit AZL15060203-0110_00 · Official waterbody report
Nearby Lakes in Maricopa County
Frequently asked questions about Bartlett Lake
Where is Bartlett Lake?
- Bartlett Lake is a lake in Maricopa County, Arizona. Its water-quality measurements are published by ADEQ and shown on this page as reported.
What is the water quality of Bartlett Lake?
- Bartlett Lake in Maricopa County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 3519 acres.
Is Bartlett Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Bartlett Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
What is the water level at Bartlett Lake?
- The USGS snapshot on this page for Bartlett Lake is 182.72 ft of gage height, recorded Sep 7, 2026, 3:30 PM at gauge 09509502. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
Are there boat ramps on Bartlett Lake?
- Bartlett Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Bartlett Reservoir. Public access is listed as yes.
Are there campgrounds on Bartlett Lake?
- Bartlett Lake has 1 public campground from USGS The National Map within 5 km, including Riverside. 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 Bartlett Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
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Where this data comes from
3 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Great Lakes Environmental Center
GLEC3 samples · 2025
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