The WSSC water system serves Montgomery County and Prince George’s County in Maryland. On Sept 29 2026 a power outage at the Potomac Water Filtration Plant forced WSSC Water to issue essential water use warnings for 1.9 million customers. The incident is a textbook case of how a single grid failure can cascade into a public health and operational crisis for municipal water utilities.
💡 Frequently Asked Questions (FAQ)
- Q: What caused the WSSC water restrictions on Sept 29 2026?
- A: A power outage at the Potomac Water Filtration Plant disrupted operations, forcing WSSC Water to issue essential use warnings for 1.9 million customers.
- Q: Which areas does WSSC serve?
- A: WSSC Water serves Montgomery County and Prince George’s County in Maryland.
- Q: Why is this outage considered a critical infrastructure risk?
- A: It shows how a single grid failure at a key filtration plant can cascade into a widespread public health and operational crisis for municipal water supply.