Which lakes in Mexico are the clearest?

409 named lakes in Mexico have an official Secchi depth. This page ranks the 20 deepest readings. Secchi is a clarity measurement, not a swim-safety class and not a LakeQuality A–F grade.

Is clear water the same as clean water?

No. Secchi measures how far a disk stays visible. A clear lake can still have bacteria, toxins, or contaminants this catalog does not grade. Open a lake page for the authority's values.

Clearest lakes in Mexico

Clearest lakes in Mexico: 409 named lakes have an official Secchi depth. The 20 below are ranked by that reading — water clarity, not a LakeQuality A–F grade.

Lake map

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Highest Secchi readings in Mexico

Lake	Place	Total phosphorus	Chlorophyll-a	Secchi	Year
Lake Miramar	—	94 µg/L	0.10 µg/L	12 m	2018
Laguna de Santa Maria Del Oro	—	44 µg/L	2.0 µg/L	10 m	2020
Laguna de Santa Maria Del Oro	—	55 µg/L	2.1 µg/L	10 m	2020
Lake Zirahuen Center	—	490 µg/L	1.1 µg/L	3.8 m	2021
Lake Zirahuen	—	577 µg/L	2.3 µg/L	3.1 m	2021
Lake Zirahuen Main Spring	—	631 µg/L	1.6 µg/L	2.7 m	2021
Laguna Conil	—	23 µg/L	3.7 µg/L	2.5 m	2020
Umecuaro Dam	—	712 µg/L	1.5 µg/L	2.5 m	2020
Victoria Dam	—	787 µg/L	4.3 µg/L	2.3 m	2021
Alberto Carrera T Dam	—	20 µg/L	2.5 µg/L	2.2 m	2020
Brockman Dam	—	734 µg/L	1.7 µg/L	2.1 m	2021
Jose Lopez Portillo Dam	—	41 µg/L	1.4 µg/L	2.0 m	2021
Laguna San Ignacio	—	60 µg/L	3.8 µg/L	2.0 m	2020
Jose Lopez Portillo Dam	—	47 µg/L	5.3 µg/L	2.0 m	2021
La Angostura Dam	—	191 µg/L	3.7 µg/L	1.9 m	2021
Laguna Bacalar	—	24 µg/L	0.60 µg/L	1.9 m	2020
Lake Camecuaro	—	614 µg/L	0.90 µg/L	1.9 m	2021
Umecuaro Dam	—	840 µg/L	1.9 µg/L	1.9 m	2020
La Angostura Dam	—	21 µg/L	4.7 µg/L	1.7 m	2021
La Escondida Dam	—	29 µg/L	4.3 µg/L	1.7 m	2020

Showing 20 of 409 named lakes. Open a county or place page for the rest.

Frequently asked questions

Which lakes in Mexico are the clearest?: 409 named lakes in Mexico have an official Secchi depth. This page ranks the 20 deepest readings. Secchi is a clarity measurement, not a swim-safety class and not a LakeQuality A–F grade.
Is clear water the same as clean water?: No. Secchi measures how far a disk stays visible. A clear lake can still have bacteria, toxins, or contaminants this catalog does not grade. Open a lake page for the authority's values.