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Sewer Authority Mid-Coastside

The Sewer Authority Mid-Coastside (SAM) is a Joint Powers Authority created by an agreement between the Granada Sanitary District, the Montara Sanitary District, and the City of Half Moon Bay in 1976. The agreement called for the creation of the Authority to build and operate a commonly owned sewer treatment plant for the benefit of all three agencies. All sewage generated by the three agencies is pumped and piped to the treatment plant for treatment and eventual disposal. For more information on SAM, please visit their website at samcleanswater.org.

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