Willard North Marina Lake
Box Elder County, UtahView mapDirections
Utah DWQ publishes the water-quality measurements for Willard North Marina Lake. Here is what has been measured.
- Limited data
Willard North Marina Lake in Box Elder County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 1.8 ft visibility.
Willard North Marina Lake is a lake in Box Elder County, Utah. Phosphorus level is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2016-07-14. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Willard North Marina 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 Willard North Marina Lake
These are the measurements Utah DWQ publishes for Willard North Marina 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 1.8 ft of visibility. TSI 68.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 68 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Willard North Marina Lake
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Fishing Willard North Marina Lake
Water Quality Trend: Stable
Based on 10 years of monitoring (2012–2023).
Water clarity
Stable10 years
Phosphorus
Worsening+1.91 µg/L/yr4 years
Chlorophyll-a
Improving-1.87 µg/L/yr4 years
Nearby Lakes in Box Elder County
Frequently asked questions about Willard North Marina Lake
Where is Willard North Marina Lake?
- Willard North Marina Lake is a lake in Box Elder County, Utah. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.
What is the water quality of Willard North Marina Lake?
- Willard North Marina Lake in Box Elder County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 1.8 ft visibility.
Is Willard North Marina Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
25 measurements from 1 monitoring station, 2012–2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- UC Region of USBOR
UC_REGION_USBOR_WQX25 samples · 2012–2016
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.