San Geronimo pipeline upgrade project approved

Seismically vulnerable segments of a pipeline that carries untreated water across the San Geronimo Creek are slated for replacement.

The board governing the Marin Municipal Water District unanimously approved the project on Dec. 16. The vote included the adoption of an environmental assessment that imposes steps to minimize potential disturbances to the creek and surrounding habitat.

The pipe is part of the district’s “North Marin Line,” which was constructed in 1957 to convey raw...