Lake of Yuriria
Lake of Yuriria in Unknown, Mexico has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.2 m visibility. Phosphorus: 815 µg/L. Chlorophyll-a (algae): 11 µg/L.
- Clarity
- 0.2 m
Why Lake of Yuriria has no A–F grade
Lake of Yuriria in Mexico is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the National Water Commission of Mexico (CONAGUA), via UNEP GEMS/Water.
Lake of Yuriria is a lake in Unknown County, Mexico.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-09-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake of Yuriria
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 0.7 ft of visibility. Phosphorus level: 815 µg/L. Chlorophyll-a: 11 µg/L. Trophic State Index: 79.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.2 m | Not graded |
| Phosphorus | 815 µg/L | Not graded |
| Chlorophyll-a (Algae) | 11 µg/L | Not graded |
| Trophic State Index (TSI) | 79 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Lake of Yuriria
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Fishing Lake of Yuriria
Frequently asked questions about Lake of Yuriria
What is the water quality of Lake of Yuriria?
- Lake of Yuriria in Unknown, Mexico has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.2 m visibility. Phosphorus: 815 µg/L. Chlorophyll-a (algae): 11 µg/L.
Is Lake of Yuriria safe to swim in?
- Lake of Yuriria has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
35 measurements from 2 monitoring stations, 2016–2021. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Comisión Nacional del Agua
comisionnacionaldelagua35 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (2)
MEX00960MEX00965
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2021-09-14
Monitoring stations: 2