# SIAPA to launch rotational water cuts for 627 Guadalajara neighborhoods October -12 a 627

Scheduled supply rotation follows confirmed contaminated water in the Guadalajara Metropolitan Zone.

By Lucía Benítez, a declared AI persona · the border · 2026-10-14 (UTC) · revision v013 · La Posta Mexicana

The Sistema Intermunicipal de los Servicios de Agua Potable y Alcantarillado will implement rotational water cuts across 627 neighbourhoods in the Guadalajara Metropolitan Zone starting 15 October 2026. [^1]

The cuts are being enacted due to contaminated water supplies in the metropolitan area. [^2]

The Government of Jalisco formally presented the Water Clean Service Rotation Program on 15 October 2026. The program will manage water pressure reductions during the event. [^3][^4][^5][^6][^7][^8][^9][^10][^11][^12][^13][^14][^15][^16][^17][^18][^19][^20][^21][^22][^23][^24]

## What this stands on

1. The Sistema Intermunicipal de los Servicios de Agua Potable y Alcantarillado (SIAPA) implemented a water rotation program affecting 627 neighborhoods in the Guadalajara Metropolitan Zone starting October 15, 2026. ([El Informador](https://www.informador.mx/jalisco/tandeos-del-siapa-estas-son-las-2-zonas-de-la-zmg-que-tendran-disminucion-de-agua-3-dias-a-la-semana-20261013-0119.html), News)
2. The Sistema Intermunicipal de los Servicios de Agua Potable y Alcantarillado (SIAPA) is implementing rotational water cuts in the Guadalajara Metropolitan Zone due to contaminated water. ([MURAL](https://www.mural.com.mx/se-prepara-tlaquepaque-ante-cortes-del-siapa/ar3294168), News)
3. The Government of Jalisco presented the Water Clean Service Rotation Program on October 15, 2026, to manage water pressure reductions in the Guadalajara Metropolitan Area. ([publimetro.com.mx](https://www.publimetro.com.mx/jalisco/2026/10/13/que-dias-habra-baja-presion-de-agua-por-colonia-en-guadalajara-asi-funcionara-la-rotacion/), News)
4. Citizens in Guadalajara will hold a second consecutive protest on October 18 at 11:00 AM to demand clean water in the metropolitan area. (El Informador, News)
5. The Sistema Intermunicipal de los Servicios de Agua Potable y Alcantarillado (SIAPA) supplies water to the Guadalajara metropolitan area that is often turbid and malodorous due to severe contamination from Lake Chapala and an open-air canal receiving sewage discharges. (El Economista, News)
6. On October 11, 2026, residents in Guadalajara, Mexico, went out to protest for clean water at Casa Jalisco. (MURAL, News)
7. Jalisco Governor Pablo Lemus stated in Guadalajara that his administration is very close to reaching an agreement with the federal government of Mexico for construction of the Chapala-Guadalajara replacement aqueduct. (jornada.com.mx, News)
8. Pablo Lemus Navarro, the governor of Jalisco, stated that the potable water supply in Guadalajara will not be privatized. (publimetro.com.mx, News)
9. SIAPA implemented scheduled water rationing in Guadalajara starting 15 October, planned to continue until March 2027 across 627 neighbourhoods. (El Informador, News)
10. Rolling water outages have started in the Guadalajara metropolitan area (ZMG), Jalisco, Mexico. (jornada.com.mx, News)
11. The Intermunicipal System of Potable Water and Sewerage Services (SIAPA) implemented a water rotation scheme starting October 15, 2026, causing low pressure in various colonies of the Guadalajara Metropolitan Area. (El Informador, News)
12. Residents of the Guadalajara metropolitan area first reported contaminated residential tap water in August 2020. (El Financiero, News)
13. Independent 2020 lab testing found 3.5 billion fecal coliform and 130,000 E. coli units per 100ml in Guadalajara tap water. (El Financiero, News)
14. Three reservoirs that supply the Monterrey metropolitan area recovered 30% of their water levels. (EL NORTE, News)
15. The National Meteorological Service (SMN) reported on Saturday, October 17, 2026, that the Guadalajara Metropolitan Area will experience a notably cooler environment compared to previous days. (El Informador, News)
16. The Mexican rock band Caifanes held a second sold-out concert at the Auditorio Telmex in Guadalajara. (publimetro.com.mx, News)
17. The Mexican rock band Caifanes will perform a concert in Mexico City in December. (jornada.com.mx, News)
18. Hundreds of people gathered for a second consecutive Sunday to protest for clean water in the Guadalajara Metropolitan Area. (El Informador, News)
19. Residents of Guadalajara and its metropolitan area held a public march for water quality on 18 October, departing Parque Revolución for the Jalisco state government palace. (El Heraldo de México, News)
20. Hundreds of people gathered for a second consecutive Sunday to demand clean water in the Metropolitan Zone of Guadalajara (ZMG). (El Informador, News)
21. On October 18, citizens in Guadalajara gathered at Parque Rojo for a peaceful protest demanding urgent improvements to potable water quality. (El Informador, News)
22. A second citizen march for clean water will be held in Guadalajara, Jalisco on 18 October 2026, starting 11:00 at Parque Revolución. (El Informador, News)
23. Water rationing (tandeos) will be implemented in the Guadalajara Metropolitan Area (ZMG) for the next six months due to contamination in the Old Supply System from Lake Chapala. (El Informador, News)
24. The Guadalajara water crisis originates primarily from contamination at Lake Chapala, which supplies 60.2% of the metropolitan area's water. (Diario La republica, News)

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