Key Points
- A leak on a 42‑inch Great Lakes Water Authority (GLWA) water transmission main was discovered in River Woods Park, Auburn Hills, Michigan, on or around Wednesday, May 6, 2026.
- The main feeds Auburn Hills, Orion Township, the Village of Lake Orion, Pontiac, a portion of Rochester Hills, and a subdivision in southwest Oakland Township.
- GLWA and local officials have warned that if the leaking main fully breaks, some or all of those communities could face “lower than normal water pressure or no water pressure” for potentially several days to up to two weeks.
- A precautionary boil‑water advisory has been issued for parts of Rochester Hills and a subdivision in southwest Oakland Township due to a prior drop in pressure.
- GLWA has opened an emergency operations center, roped off the area around the leak in River Woods Park, and placed emergency contractors on notice; repair sections of the main have been identified and are being mobilized.
- Orion Township has declared a local state of emergency as a precaution, warning that in the worst‑case scenario all of Orion Township could be without water for up to two weeks.
- Residents in affected areas are being advised to store at least one gallon of water per person per day for three days and to prepare for possible severe restrictions on water use, including the inability to flush toilets or keep some businesses open if the pipe breaks.
Auburn Hils(King County Insider) – May 10, 2026
Oakland County residents in multiple communities are being told to prepare for the possibility of being without water for up to two weeks, after a major leak in a 42‑inch Great Lakes Water Authority (GLWA) transmission main inside River Woods Park in Auburn Hills raised the risk of a catastrophic break. In a series of statements issued by GLWA and echoed by local officials, authorities have stressed that the leak is currently under control but that a full rupture could cut off water pressure entirely to Auburn Hills, Orion Township, the Village of Lake Orion, Pontiac, a portion of Rochester Hills, and a subdivision in southwest Oakland Township for several days or more.
How did the leak threaten water supplies in Oakland County?
As explained by GLWA in its May 6, 2026, press release, the 42‑inch transmission main in River Woods Park supplies water to several north‑Oakland‑County communities, including Auburn Hills, Orion Township, the Village of Lake Orion, Pontiac, a portion of Rochester Hills, and a subdivision in southwest Oakland Township. The Authority stated that the leak was discovered earlier that day and that the area around the break within the park had been cordoned off for public safety.
According to GLWA, while the leak is currently under control, “if the leaking main were to break, residents in the above‑mentioned communities could experience lower than normal water pressure or no water pressure.” In that case, the Authority added, a precautionary boil‑water advisory would likely need to be issued, directing residents to boil tap water before using it for drinking, cooking, making ice, washing dishes, or brushing teeth. GLWA has opened an emergency operations center to coordinate logistics under the Department of Homeland Security’s Incident Command System and has placed its emergency contractors on notice; replacement sections of the main have already been identified and are being mobilized to the break site.
Why did parts of Rochester Hills and Oakland Township get a boil‑water advisory?
CBS News Detroit reported on May 6, 2026, that a precautionary boil‑water advisory had been issued for part of Rochester Hills and Oakland Township in southeast Michigan, citing the same 42‑inch water‑main leak in River Woods Park. The City of Rochester Hills told the outlet that crews had begun flushing fire hydrants in the affected area on Wednesday afternoon and planned to continue that work on Thursday, with water‑quality testing already underway.
The advisory instructs residents to bring all tap water used for drinking, food preparation, or personal hygiene to a boil for one minute and then let it cool, or to use bottled or otherwise disinfected water until the advisory is lifted. GLWA noted that the advisory was issued after a drop in water pressure was detected earlier on Wednesday, which triggered the precaution despite the leak still being under control.
What prompted Orion Township to declare a state of emergency?
WXYZ‑TV’s reporting on May 9, 2026, described how a leak in a 42‑inch water main in Auburn Hills prompted Orion Township to declare a local state of emergency. Township Supervisor Chris Barnett told the station that the leak, discovered on Thursday, had steadily worsened over the previous few days, and that if the main fully breaks “all of Orion Township would not have water for 2 days to potentially 2 weeks.”
Barnett said the township declared a state of emergency as a precaution so that Orion could quickly access county and state resources if needed. He told viewers that the situation was currently stable, but that “we’re doing a lot of setup in preparation for the worst‑case scenario,” including laying plans to provide drinking water to residents and manage the closure of businesses and the safe relocation of vulnerable populations in nursing and assisted‑living facilities if service is lost. Orion Township has urged residents to sign up for alerts through CivicPlus by texting “ORION MI” to 38276 or visiting OrionTownship.org to stay informed.
How are Auburn Hills and other affected communities preparing residents?
The City of Auburn Hills has issued guidance urging residents to prepare for the possibility of water restrictions or a full loss of service, following GLWA’s warnings. As reported by Oakland County‑focused local outlets, the city advised that at this time the situation remains “stable,” but warned that restrictions could be required if the transmission main breaks. Residents were told to store at least one gallon of water per person per day for three days for essential needs such as drinking and hygiene.
Authorities have also warned that in the event of a full break, some businesses may have to close, toilets may not flush, and the most vulnerable residents may need to be relocated to facilities in communities that still have water service. Public‑safety messaging has focused on urging residents not to panic but to “stay alert and prepared,” using water as they normally would without over‑using it unless new restrictions are ordered.
What do residents in northern Oakland County need to know right now?
GLWA has emphasized that the leak is currently under control, but that conditions are being monitored around the clock. In written statements, the Authority said it would provide updates as more information becomes available and that residents should rely only on official communications from GLWA and local governments for instructions about boil‑water advisories, water restrictions, or emergency‑water‑distribution plans.
Residents in the affected areas have been advised to:
- Store at least one gallon of water per person per day for three days, following Oakland‑County‑area guidance.
- Follow boil‑water‑advisory instructions strictly if they are expanded or remain in effect, including using boiled or bottled water for drinking, cooking, and oral hygiene.
- Register for emergency alerts with their local communities, as Orion Township has done via CivicPlus, to receive real‑time updates.
- Avoid storing excessive supplies or hoarding bottled water, since local officials have said contingencies are in place to distribute drinking water if the pipe breaks.
What support systems are being readied if the pipe breaks?
In interviews with WXYZ‑TV, Orion Township Supervisor Chris Barnett outlined that the township has already begun positioning resources to support residents if the main ruptures and service is lost for up to two weeks. He said plans include deploying water‑distribution points and arranging for the relocation of vulnerable individuals from nursing and assisted‑living facilities to communities that still have water.
Local officials have also stressed that a state of emergency declaration helps streamline the use of emergency‑management funds and state‑level assistance, should large‑scale water‑distribution or shelter operations become necessary. Oakland‑County‑based reporting has noted that the situation is being closely monitored by public health and emergency‑management agencies, which are coordinating with GLWA’s emergency operations center.
Background of the particular development
The current situation in Auburn Hills and surrounding Oakland County communities is not the first major GLWA water‑system incident in recent years. In August 2022, a different water‑main break at GLWA’s Lake Huron facility initially cut off or reduced service to around 935,000 people across 23 communities, with about 133,000 people in seven communities still affected after days of repairs. That earlier event led to an extended boil‑water advisory and highlighted the vulnerability of large‑diameter transmission mains in an aging regional‑water‑system network.
The 42‑inch transmission main at River Woods Park is part of GLWA’s network that serves nearly 40 percent of Michigan’s population with drinking water drawn from the Great Lakes. Because it feeds multiple communities at once, a single leak or break can cascade into widespread pressure loss, making it critical that GLWA and local governments coordinate tightly when a fault is detected. The current leak has prompted a repeat of the same pattern seen in 2022: GLWA opening an emergency operations center, mobilizing contractors, and issuing precautionary boil‑water advisories for vulnerable zones while attempting to repair the line before it fully fails.
Prediction:
If the 42‑inch main in River Woods Park breaks, residents in Auburn Hills, Orion Township, Lake Orion, Pontiac, and parts of Rochester Hills and Oakland Township could face disruptions that extend well beyond a few hours. Current GLWA and local‑official statements indicate that a full rupture could result in no water pressure for up to two weeks in some areas, during which time residents would be unable to flush toilets from the municipal system, fill bathtubs, or run high‑volume appliances such as washing machines and dishwashers without strict conservation. In that scenario, residents would rely heavily on bottled or delivered water for drinking, cooking, and basic hygiene, and would need to follow boil‑water‑advisory rules until water‑quality testing confirms the system is safe.
For businesses, especially restaurants, hotels, and health‑care‑related operations, a prolonged loss of water or a boil‑water advisory would likely force closures or severely limited service, as safe food preparation and sanitation would be difficult. Local officials have already indicated that vulnerable populations in nursing and assisted‑living facilities might need to be relocated to communities that retain water service, which would increase logistical and medical‑care loads on neighboring municipalities.
Even if the main is repaired without a full rupture, the incident could still erode public confidence in the reliability of the regional water network, prompting more residents to stock emergency‑water supplies and push local governments and GLWA to accelerate infrastructure‑maintenance and replacement plans for aging transmission mains.
