The district operates a system comprising about 105 miles of gravity sewer lines, 6.7 miles of force mains and 28 pump stations. It is one of two full-service sanitary districts in Marin.

The two large ponds serve the Oceana Marin development in Dillon Beach, where the district has 5 miles of pipeline providing sewer services for 236 connections.

Worn-out, cracked and leaking sewage pipes snake through large portions of southern Marin County, increasing the likelihood that contaminated water will again flow into San Francisco Bay ...

KENTFIELD, Calif. — Sanitation officials in Marin County say 824,000 gallons of wastewater spilled last week in Kentfield where manholes at several locations overflowed. Ross Valley Sanitary ...