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LakeQuality

Rose Canyon Lake

Pima County, Arizona7 acresView mapDirections

ADEQ publishes the water-quality measurements for Rose Canyon Lake. Here is what has been measured.

Clarity
2.8 ft
Secchi · sampled 2026
Phosphorus
51 µg/L
Measured by ADEQ
Area
7 acres
Surface area
Type
Eutrophic
Trophic class
  • Eutrophic
  • Limited data

Rose Canyon Lake in Pima County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Water clarity: 2.8 ft visibility. Phosphorus: 51 µg/L. Surface area: 7.3 acres.

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Rose Canyon Lake is a 7-acre productive, nutrient-rich eutrophic lake in Pima County, Arizona. Overall water quality is declining over recent sampling years. Compared to the 1 other monitored lakes in Pima County, Rose Canyon Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2026-04-03. Methodology: how these readings are compared.

What Rose Canyon Lake is good for

From access and monitoring records, not editorial picks.

  • Camping8 public campgrounds nearby

Swimming conditions

Readings only

Limited 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. Check local advisories before you swim.

Whether Rose Canyon 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.

Get alerts for Rose Canyon Lake →

Water quality measurements for Rose Canyon Lake

These are the measurements ADEQ publishes for Rose Canyon Lake, 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 2.8 ft of visibility. Phosphorus 51 µg/L. TSI 62.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.8ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus51µg/LFair
GoodFairPoor
Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.62Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Rose Canyon 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 Rose Canyon Lake, so its depth is not documented here.

Recreation & Access

8
Campgrounds

Public campgrounds near Rose Canyon Lake

  • Rose Canyon0.9 km
  • Showers Point2.4 km
  • Showers Point Group Site2.5 kmReserve
  • Palisades Ranger Residence Cabin2.5 kmReserve
  • General Hitchcock2.7 km
  • Whitetail Group3.3 km
  • Whitetail Campground3.3 kmReserve
  • Spencer Canyon4.2 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 Rose Canyon Lake

Compare lakeside cabins, hotels, and vacation rentals near Rose Canyon Lake in Pima 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 Rose Canyon Lake

Prices for Oct 30–Nov 1, 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.

Planning a whole trip? See where to stay at Arizona’s top lakes →

Follow Rose Canyon Lake’s readings

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Fishing Rose Canyon Lake

3 seasons of samples on record (2014–2025). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Worsening

    2 years

  • Phosphorus

    Stable

    -1.2 µg/L/yr3 years

Reservoir Info (USACE NID)

Rose Canyon Lake is a man-made reservoir impounded by the Lower Rose Canyon (completed 1958), built primarily for fish and wildlife pond on the Sycamore Creek - Tr; gravity-type dam, 45 ft tall and 188 ft long.

Surface area
7.3 ac
Normal storage
117 ac-ft
Max storage
145 ac-ft
Drainage area
0.78 sq mi
Hazard class
Low
Owner
ARIZONA GAME & FISH DEPARTMENT

All listed purposes: Fish and Wildlife Pond;Fire Protection, Stock, Or Small Fish Pond;Recreation.

Source: USACE National Inventory of Dams, NID ID AZ00132 · Operator website · Matched by proximity (0.05 km)

Nearby Lakes in Pima County

Frequently asked questions about Rose Canyon Lake

Where is Rose Canyon Lake?

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

What is the water quality of Rose Canyon Lake?

Rose Canyon Lake in Pima County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Water clarity: 2.8 ft visibility. Phosphorus: 51 µg/L. Surface area: 7.3 acres.

Measurements on this page ↑

Is Rose Canyon Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Are there campgrounds on Rose Canyon Lake?

Rose Canyon Lake has 8 public campgrounds from USGS The National Map within 5 km, including Rose Canyon, Showers Point, Showers Point Group Site, Palisades Ranger Residence Cabin. 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 ↑

Planning a trip around Saguaro?

Rose Canyon Lake is about 13 miles from Saguaro National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Saguaro →

Where this data comes from

12 measurements from 2 monitoring stations, 2022–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Great Lakes Environmental CenterGLEC10 samples · 2022–2026
  • AZDEQ_SWAZDEQ_SW2 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
  • EPA 365.1
  • FIELD
Monitoring station identifiers (2)

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