A portion of South Haven is again under a boil water advisory.

The South Haven Water Sewer Authority put out the notice out on Monday evening, effective immediately. The advisory is in place to Sunset Drive and Le Grange Street.

This is the third known advisory this month. The South Haven Water Sewer Authority could not comment on the issue, but word is that it could be due to fiber optic construction crews causing disruption to the service.

Crews are in the process of making repairs to the water system in the affected area, which required depressurizing the water mains.