The collection consists of correspondence, legal documents and financial records of the Boulder Water Company. Stationary examples, general operational matters and communications regarding the company’s closure are part of the correspondence. There are specific files for correspondence with Southern California Water Company, Pomona Valley Municipal Water District and the county assessor’s office.

Legal documents are comprised of articles of incorporation, by-laws, amendments, meeting notices and minutes, contracts, and documents relating to stockholders such as proxies, stock transfers and stock certificates.

Financial records include both stockholder and general ledgers, various tax documents, meter readings, bank statements and cancelled checks and check stubs.

The collection came from the corporate secretary and is most complete in the company’s last 15 years, 1964-1979. Minutes from the meetings are complete.