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The Atotonilco Wastewater Treatment Plant, the world's largest wastewater plant at $786 million, is being constructed outside Mexico City to treat 60% of the city's wastewater for safe crop irrigation. The plant is being built by consortium SAHM.
| Site | Largest | Latest |
|---|---|---|
| outside Mexico City, Mexico | $786.0M | 2019-05-21 |