On September 1, 2019, the Coalition submitted a number of recommendations to the Municipal Planning Institute (IMPLAN) to be included in the new municipal planning document for 2040 (the Municipal Plan for Urban Development and Territorial Ecological Planning - PMDUOET).
Proposals included updating the arsenic regulation in water to coincide with federal law (the municipality was using an outdated law from 1994 that had since been superseded five times in the previous decade); adding new certified water quality data that had been collected by academic institutions, certified labs, and others in previous decades (the municipality only cited one outdated study performed in 2006); and several proposals regarding rezoning, water use, discharge, and protecting and reforesting recharge zones throughout the watershed.