R10‑05 MAPS AND RECORDS
Each utility shall keep on file in its office suitable maps, plans, and records showing the entire layout of its collecting lines and sewer treatment facilities with the location, size and capacity of each unit of plant, size of each collecting line, and other facilities used in the furnishing of sewerage service.
(NCUC Docket No. S‑100, Sub 1, 8/23/67.)