La Calera Dam-Derivation Canal
La Calera Dam-Derivation Canal in Unknown, Mexico has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.2 m visibility. Phosphorus: 184.5 µg/L. Chlorophyll-a (algae): 2.9 µg/L.
- Clarity
- 0.2 m
Why La Calera Dam-Derivation Canal has no A–F grade
La Calera Dam-Derivation Canal 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.
La Calera Dam-Derivation Canal is a lake in Unknown County, Mexico.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-09-17. 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 La Calera Dam-Derivation Canal
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: 184.5 µg/L. Chlorophyll-a: 2.9 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.2 m | Not graded |
| Phosphorus | 184.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | 2.9 µg/L | Not graded |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near La Calera Dam-Derivation Canal
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Fishing La Calera Dam-Derivation Canal
Frequently asked questions about La Calera Dam-Derivation Canal
What is the water quality of La Calera Dam-Derivation Canal?
- La Calera Dam-Derivation Canal in Unknown, Mexico has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.2 m visibility. Phosphorus: 184.5 µg/L. Chlorophyll-a (algae): 2.9 µg/L.
Is La Calera Dam-Derivation Canal safe to swim in?
- La Calera Dam-Derivation Canal 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
23 measurements from 1 monitoring station, 2016–2020. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Comisión Nacional del Agua
comisionnacionaldelagua23 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
MEX01042
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: 2020-09-17
Monitoring stations: 1