Gsl Farmington Bay Outflow Lake
Davis County, UtahView mapDirections
Utah DWQ publishes the water-quality measurements for Gsl Farmington Bay Outflow Lake. Here is what has been measured.
- Eutrophic
- Public access
Gsl Farmington Bay Outflow Lake in Davis County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 1 ft visibility. Phosphorus: 484.5 µg/L. Chlorophyll-a (algae): 27.8 µg/L.
Gsl Farmington Bay Outflow Lake is a productive, nutrient-rich eutrophic lake in Davis County, Utah. Phosphorus level is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 5 other monitored lakes in Davis County, Gsl Farmington Bay Outflow Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2023-07-12. Methodology: how these readings are compared.
Swimming conditions
Readings onlyAlgae risk
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 Gsl Farmington Bay Outflow Lake 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 Gsl Farmington Bay Outflow Lake
These are the measurements Utah DWQ publishes for Gsl Farmington Bay Outflow 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 1 ft of visibility. Phosphorus 484.5 µg/L. Chlorophyll-a 27.8 µg/L. TSI 78.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 485µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 27.8µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 78 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Gsl Farmington Bay Outflow Lake
Answers come straight from the public measurements and survey records on this page.
→ Gsl Farmington Bay Outflow Lake water level: the live USGS gauge reading
Stays via Stay22
Stays near Gsl Farmington Bay Outflow Lake
Compare lakeside cabins, hotels, and vacation rentals near Gsl Farmington Bay Outflow Lake in Davis 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Gsl Farmington Bay Outflow Lake are listed below.
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Fishing Gsl Farmington Bay Outflow Lake
Water Quality Trend: Stable
Based on 12 years of monitoring (2012–2023).
Phosphorus
Worsening+13.74 µg/L/yr12 years
Chlorophyll-a
Improving-1.1 µg/L/yr11 years
Nearby Lakes in Davis County
Frequently asked questions about Gsl Farmington Bay Outflow Lake
Where is Gsl Farmington Bay Outflow Lake?
- Gsl Farmington Bay Outflow Lake is a lake in Davis County, Utah. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.
What is the water quality of Gsl Farmington Bay Outflow Lake?
- Gsl Farmington Bay Outflow Lake in Davis County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 1 ft visibility. Phosphorus: 484.5 µg/L. Chlorophyll-a (algae): 27.8 µg/L.
Is Gsl Farmington Bay Outflow Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Gsl Farmington Bay Outflow Lake?
- Public access to Gsl Farmington Bay Outflow Lake is listed as yes on the lake record. 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 Gsl Farmington Bay Outflow Lake across LakeQuality
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Where this data comes from
148 measurements from 1 monitoring station, 2012–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Utah Water Science Center
USGS-UT148 samples · 2012–2023
Analytical methods
- Nutrients, wu, WCA,persulfate,CF
- Nutrients, brines, colorimetry
- P, wu, WCA, persulfate CF color
- P, brine,u, acid-persulf CFcolor
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.