Where is Tequesquitengo Lake?

Tequesquitengo Lake is a lake in Mexico. This page reports official water-quality measurements, shown as reported.

Is Tequesquitengo Lake safe to swim in?

Tequesquitengo Lake 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.

Tequesquitengo Lake

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CONAGUA publishes the water-quality measurements for Tequesquitengo Lake. Here is what has been measured.

Clarity

1.5 m

Clearer than most

Secchi · sampled 2020

Phosphorus

36.9 µg/L

Less phosphorus than most

Measured by CONAGUA

Chlorophyll-a

3.1 µg/L

Typical for Mexico

Measured by CONAGUA

Limited data

See the measurements Directions Where to stay

Tequesquitengo Lake in Mexico has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 36.9 µg/L. Chlorophyll-a (algae): 3.1 µg/L.

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How Tequesquitengo Lake is classified

Tequesquitengo Lake in Mexico is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the National Water Commission of Mexico (CONAGUA), via UNEP GEMS/Water.

Tequesquitengo Lake is a lake in Unknown County, Mexico.

Source: the National Water Commission of Mexico (CONAGUA), via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2020-08-12. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Tequesquitengo Lake is safe to swim in today is a call for the National Water Commission of Mexico (CONAGUA), via UNEP GEMS/Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Tequesquitengo Lake

These are the measurements CONAGUA publishes for Tequesquitengo Lake. More on the source.

Murky, only visible to about 4.9 ft. Phosphorus 36.9 µg/L. Chlorophyll-a 3.1 µg/L. TSI 51.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.5m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	36.9µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	3.1µg/L	Measured, not scored 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.	51	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Tequesquitengo Lake

Answers come straight from the public measurements and survey records on this page.

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Fishing Tequesquitengo Lake

→ Tequesquitengo Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Tequesquitengo Lake

Where is Tequesquitengo Lake?: Tequesquitengo Lake is a lake in Mexico. This page reports official water-quality measurements, shown as reported.
What is the water quality of Tequesquitengo Lake?: Tequesquitengo Lake in Mexico has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 36.9 µg/L. Chlorophyll-a (algae): 3.1 µg/L.
Is Tequesquitengo Lake safe to swim in?: Tequesquitengo Lake 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

115 measurements from 5 monitoring stations, 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 Aguacomisionnacionaldelagua115 samples · —

Analytical methods

GEMStat OPEN / CC BY 4.0

Monitoring station identifiers (5)

MEX02273
MEX02275
MEX02276
MEX02277
MEX02278

Authority classifications are shown as the authority published them. See where the data comes from and data sources.