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GEOGRAPHIC CONCENTRATION OF CUSTOMERS
3 Months Ended
Mar. 31, 2023
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract]  
GEOGRAPHIC CONCENTRATION OF CUSTOMERS
NOTE 15  GEOGRAPHIC CONCENTRATION OF CUSTOMERS

Artesian Water, Artesian Water Maryland and Artesian Water Pennsylvania provide water utility service to customers within their established service territory in all three counties of Delaware and in portions of Maryland and Pennsylvania, pursuant to rates filed with and approved by the DEPSC, the MDPSC and the PAPUC.  As of March 31, 2023, Artesian Water was serving approximately 95,000 customers, Artesian Water Maryland was serving approximately 2,600 customers and Artesian Water Pennsylvania was serving approximately 40 customers.

Artesian Wastewater and TESI provide wastewater utility service to customers within their established service territory in Sussex County, Delaware pursuant to rates filed with and approved by the DEPSC.  As of March 31, 2023, the number of wastewater customers served was approximately 7,700, including one large industrial customer.