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GEOGRAPHIC CONCENTRATION OF CUSTOMERS
6 Months Ended
Jun. 30, 2025
GEOGRAPHIC CONCENTRATION OF CUSTOMERS [Abstract]  
GEOGRAPHIC CONCENTRATION OF CUSTOMERS
NOTE 9 - GEOGRAPHIC CONCENTRATION OF CUSTOMERS
 
Artesian Water, Artesian Water Maryland and Artesian Water Pennsylvania provide regulated 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 June 30, 2025, Artesian Water was serving approximately 98,200 customers, Artesian Water Maryland was serving approximately 2,700 customers and Artesian Water Pennsylvania was serving approximately 40 customers.
Artesian Wastewater and TESI provide regulated 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 June 30, 2025, Artesian Wastewater and TESI were serving approximately 8,800 customers combined, including one large industrial customer.