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LakeQuality

Lower Lake Mary

Coconino County, Arizona257 acresView mapDirections

No nutrient or algae sampling on record from ADEQ for this lake.

Area
257 acres
Surface area
  • Impaired · Mercury

Lower Lake Mary in Coconino County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 257 acres.

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Lower Lake Mary is a 257-acre lake in Coconino County, Arizona.

Source: EPA Water Quality Portal sampling records, ADEQ. Methodology: how these readings are compared.

What Lower Lake Mary is good for

From access and monitoring records, not editorial picks.

  • Camping1 public campground nearby

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Lower Lake Mary is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Lower Lake Mary 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.

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Water quality measurements for Lower Lake Mary

These are the measurements ADEQ publishes for Lower Lake Mary, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Lower Lake Mary

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

257 acres

No bathymetric survey has been published for Lower Lake Mary, so its depth is not documented here.

Recreation & Access

1
Campgrounds

Public campgrounds near Lower Lake Mary

  • Canyon Vista3.5 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 Lower Lake Mary

Compare lakeside cabins, hotels, and vacation rentals near Lower Lake Mary in Coconino 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 Lower Lake Mary

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Fishing Lower Lake Mary

EPA Impairment Status

Lower Lake Mary is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit AZL15020015-0890_00 · Official waterbody report

Nearby Lakes in Coconino County

Frequently asked questions about Lower Lake Mary

Where is Lower Lake Mary?

Lower Lake Mary is a lake in Coconino County, Arizona. Its water-quality measurements are published by ADEQ and shown on this page as reported.

What is the water quality of Lower Lake Mary?

Lower Lake Mary in Coconino County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 257 acres.

Measurements on this page ↑

Is Lower Lake Mary safe to swim in?

Nutrient and algae readings are not a swimming clearance. Lower Lake Mary is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Swimming on this page ↑

Are there campgrounds on Lower Lake Mary?

Lower Lake Mary has 1 public campground from USGS The National Map within 5 km, including Canyon Vista. 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.

Access on this page ↑

Where this data comes from

Measurements for Lower Lake Mary come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Public campgrounds from USGS The National Map Structures, within about 3 miles