East Canyon Reservoir
Morgan County, Utah684 acresView mapDirections
Utah DWQ publishes the water-quality measurements for East Canyon Reservoir. Here is what has been measured.
- Mesotrophic
- Impaired · Algal growth
- Public access
- Limited data
East Canyon Reservoir in Morgan County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 13.8 ft visibility. Phosphorus: 16.8 µg/L. Chlorophyll-a (algae): 3.4 µg/L. Surface area: 684 acres.
East Canyon Reservoir is a 684-acre mesotrophic lake in Morgan County, Utah. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 4 other monitored lakes in Morgan County, East Canyon Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2022-09-22. Methodology: how these readings are compared.
East Canyon Reservoir covers about 680 acres in Morgan County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near East Canyon Reservoir on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What East Canyon Reservoir is good for
From access and monitoring records, not editorial picks.
- Clear water13.8 ft of visibility
- Boat launch1 documented ramp
Swimming conditions
Readings onlyBacteria advisory
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. East Canyon Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal). Check local advisories before you swim.
Whether East Canyon Reservoir is safe to swim in today is a call for the Utah Division of Water Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for East Canyon Reservoir
These are the measurements Utah DWQ publishes for East Canyon Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 13.8 ft. Phosphorus 16.8 µg/L. Chlorophyll-a 3.4 µg/L. TSI 42.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 16.8µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 3.4µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about East Canyon Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
684 acres
Public access
Yes
Listed by Utah DWQ
No bathymetric survey has been published for East Canyon Reservoir, so its depth is not documented here.
Recreation & Access
- East Canyon ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near East Canyon Reservoir
Compare lakeside cabins, hotels, and vacation rentals near East Canyon Reservoir in Morgan County, Utah — 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 East Canyon Reservoir
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 trip? Cabins and lodging at East Canyon Reservoir → · more Utah lake trips
Follow East Canyon Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing East Canyon Reservoir
Water Quality Trend: Stable
Based on 8 years of monitoring (2012–2022).
Water clarity
Worsening8 years
Chlorophyll-a
Improving-0.37 µg/L/yr3 years
Reservoir Info (USACE NID)
East Canyon Reservoir is a man-made reservoir impounded by the East Canyon Dam (completed 1966), built primarily for flood risk reduction on the East Canyon Creek; concrete-type dam, 260 ft tall and 436 ft long.
- Surface area
- 684 ac
- Normal storage
- 51,200 ac-ft
- Max storage
- 58,350 ac-ft
- Drainage area
- 143.74 sq mi
- Hazard class
- High
- Owner
- BUREAU OF RECLAMATION
All listed purposes: Flood Risk Reduction;Irrigation;Water Supply.
Source: USACE National Inventory of Dams, NID ID UT10119 · Operator website
EPA Impairment Status
East Canyon Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit UT-L-16020102-020_00 · Official waterbody report
Nearby Lakes in Morgan County
Frequently asked questions about East Canyon Reservoir
Where is East Canyon Reservoir?
- East Canyon Reservoir is a lake in Morgan County, Utah. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.
What is the water quality of East Canyon Reservoir?
- East Canyon Reservoir in Morgan County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 13.8 ft visibility. Phosphorus: 16.8 µg/L. Chlorophyll-a (algae): 3.4 µg/L. Surface area: 684 acres.
Is East Canyon Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. East Canyon Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal). Check local advisories before you swim.
Are there boat ramps on East Canyon Reservoir?
- East Canyon Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include East Canyon Reservoir. Public access is listed as yes.
Can I fish at East Canyon Reservoir?
- East Canyon Reservoir 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 Utah's fish and wildlife agency, so check its current regulations before you go.
Explore East Canyon Reservoir across LakeQuality
4 thermal springs within 23.7 mi, nearest Como Springs
Species activity outlook by water temperature and season
Where to stay at Utah's top lakes, each with its readings
Utah's cleanest lakes, ranked on agency measurements
More lakes in Utah
Other Lakes in Utah
Mesotrophic Lakes in Utah
Where this data comes from
555 measurements from 2 monitoring stations, 2013–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Utah Department Of Environmental Quality
UTAHDWQ_WQX555 samples · 2013–2022
Analytical methods
- Field Measurements
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory