GENERAL	6 Months Ended
Jun. 30, 2018
GENERAL [Abstract]
GENERAL	NOTE 1 – GENERAL Artesian Resources Corporation, or Artesian Resources, includes income from the earnings of our nine wholly owned subsidiaries. The terms "we", "our", "Artesian" and the "Company" as used herein refer to Artesian Resources and its subsidiaries. DELAWARE REGULATED SUBSIDIARIES Artesian Water Company, Inc., or Artesian Water, our principal subsidiary, is the oldest and largest public water utility in the State of Delaware and has been providing water service within the state since 1905. Artesian Water distributes and sells water to residential, commercial, industrial, governmental, municipal and utility customers throughout the State of Delaware. In addition, Artesian Water provides services to other water utilities, including operations and billing functions, and has contract operation agreements with private and municipal water providers. We also provide water for public and private fire protection to customers in our service territories. Artesian Wastewater Management, Inc., or Artesian Wastewater, is a regulated entity that owns wastewater collection and treatment infrastructure and provides wastewater services to customers in Delaware as a regulated public wastewater service company. As of June 30, 2018, Artesian Wastewater owned and operated four wastewater treatment facilities, which are permitted to treat approximately 500,000 gallons per day. In August 2016, Artesian Wastewater and Sussex County, a political subdivision of Delaware, entered into an agreement to provide reciprocal services to address the periodic need of each for additional wastewater treatment and disposal capacity in certain service areas within Sussex County. There are numerous locations in Sussex County where Artesian Wastewater's and Sussex County's facilities are capable of being connected or integrated to allow for the movement and disposal of wastewater generated by one or the other's system in a manner that most efficiently and cost effectively manages wastewater transmission, treatment and disposal. On September 27, 2016, Artesian Wastewater entered into a wastewater services agreement with Allen Harim Foods, LLC, or Allen Harim, for Artesian Wastewater to provide treatment and disposal services for sanitary wastewater discharged from Allen Harim's properties located in Sussex County, Delaware upon completion of a pipeline to transfer the sanitary wastewater. The pipeline was completed in the second quarter of 2017. The transfer of sanitary wastewater is pending receipt of a construction permit and installation of related on-site improvements by Allen Harim at its facility. On January 27, 2017, Artesian Wastewater entered into a second wastewater agreement with Allen Harim for Artesian Wastewater to provide disposal services for approximately 1.5 million gallons per day, or mgd of treated industrial process wastewater upon completion of an approximately eight-mile pipeline that will transfer the wastewater from Allen Harim's properties to a 90 million gallon storage lagoon at Artesian's Northern Sussex Regional Water Recycling Facility. We will use the reclaimed wastewater for spray irrigation on agricultural land in the area. The completion of the industrial process wastewater pipeline and storage lagoon should occur by the end of 2018. MARYLAND REGULATED SUBSIDIARIES Artesian Water Maryland, Inc., or Artesian Water Maryland, began operations in August 2007. Artesian Water Maryland distributes and sells water to residential, commercial, industrial and municipal customers in Cecil County, Maryland. Artesian Water Maryland owns and operates 8 public water systems including one in Port Deposit that has the ability to supply up to 1 mgd of water through an intake in the Susquehanna River. Artesian Wastewater Maryland, Inc., or Artesian Wastewater Maryland, is a regulated wastewater entity in the State of Maryland and was incorporated on June 3, 2008. Artesian Wastewater Maryland is able to provide public wastewater services to customers in the State of Maryland. It is currently not providing wastewater services in Maryland. PENNSYLVANIA REGULATED SUBSIDIARY Artesian Water Pennsylvania, Inc., or Artesian Water Pennsylvania, began operations upon receiving recognition as a regulated public water utility by the Pennsylvania Public Utility Commission, or PAPUC, in 2002. It provides water service to a residential community in Chester County. OTHER SUBSIDIARIES Our four other subsidiaries, none of which are regulated, are Artesian Utility Development, Inc., or Artesian Utility, Artesian Development Corporation, or Artesian Development, Artesian Storm Water Services, Inc., or Artesian Storm Water, and Artesian Consulting Engineers, Inc., or Artesian Consulting Engineers. Artesian Utility was formed in 1996. It designs and builds water and wastewater infrastructure and provides contract water and wastewater services on the Delmarva Peninsula. Artesian Utility also evaluates land parcels, provides recommendations to developers on the size of water or wastewater facilities and the type of technology that should be used for treatment at such facilities, and operates water and wastewater facilities in Delaware for municipal and governmental organizations. Artesian Utility also contracts with developers for design and construction of wastewater facilities within the Delmarva Peninsula, using a number of different technologies for treatment of wastewater at each facility. In addition, as further discussed below, Artesian Utility operates the Water Service Line Protection Plan, or WSLP Plan, the Sewer Service Line Protection Plan, or SSLP Plan, and the Internal Service Line Protection Plan, or ISLP Plan. Artesian Utility currently operates wastewater treatment facilities for the town of Middletown, in southern New Castle County, Delaware, or Middletown, under a 20-year contract that expires in July 2022. The facilities include two wastewater treatment stations with capacities of up to approximately 2.5 mgd and 250,000 gallons per day, respectively. We also operate a wastewater disposal facility in Middletown in order to support the 2.5 mgd wastewater facility. One of the wastewater treatment facilities in Middletown now provides reclaimed wastewater for use in spray irrigation on public and agricultural lands in the area. The WSLP Plan covers all parts, material and labor required to repair or replace participating customers' leaking water service lines up to an annual limit. The SSLP Plan covers all parts, material and labor required to repair or replace participating customers' leaking or clogged sewer lines up to an annual limit. The ISLP Plan enhances available coverage to include water and wastewater lines within customers' residences. As of June 30, 2018, approximately 19,500, or 23.8%, of our eligible water customers enrolled in the WSLP Plan, approximately 15,500, or 19.0%, of our eligible enrolled in the SSLP Plan, and approximately 5,200, or 6.4%, of our eligible customers enrolled in the ISLP Plan. Approximately 1,700 non-utility customers enrolled in one of our three protection plans. Artesian Development is a real estate holding company that owns properties, including land zoned for office buildings, a water treatment plant and wastewater facility, as well as property for current operations, including an office facility in Sussex County, Delaware. The facility consists of approximately 10,000 square feet of office space along with nearly 10,000 square feet of warehouse space. This facility allows all of our Sussex County, Delaware operations to be housed in one central location. Artesian Storm Water, incorporated on January 17, 2017, was formed to provide design, installation, maintenance and repair services related to existing or proposed storm water management systems in Delaware and the surrounding areas. The ability to offer storm water services will complement the primary water and wastewater services that we provide. Artesian Consulting Engineers no longer offers development and architectural services to outside third parties. We will continue to provide design and engineering contract services through Artesian Utility.

NOTE 1 – GENERAL

Artesian Resources Corporation, or Artesian Resources, includes income from the earnings of our nine wholly owned subsidiaries. The terms "we", "our", "Artesian" and the "Company" as used herein refer to Artesian Resources and its subsidiaries.

DELAWARE REGULATED SUBSIDIARIES

Artesian Water Company, Inc., or Artesian Water, our principal subsidiary, is the oldest and largest public water utility in the State of Delaware and has been providing water service within the state since 1905. Artesian Water distributes and sells water to residential, commercial, industrial, governmental, municipal and utility customers throughout the State of Delaware. In addition, Artesian Water provides services to other water utilities, including operations and billing functions, and has contract operation agreements with private and municipal water providers. We also provide water for public and private fire protection to customers in our service territories.

Artesian Wastewater Management, Inc., or Artesian Wastewater, is a regulated entity that owns wastewater collection and treatment infrastructure and provides wastewater services to customers in Delaware as a regulated public wastewater service company. As of June 30, 2018, Artesian Wastewater owned and operated four wastewater treatment facilities, which are permitted to treat approximately 500,000 gallons per day. In August 2016, Artesian Wastewater and Sussex County, a political subdivision of Delaware, entered into an agreement to provide reciprocal services to address the periodic need of each for additional wastewater treatment and disposal capacity in certain service areas within Sussex County. There are numerous locations in Sussex County where Artesian Wastewater's and Sussex County's facilities are capable of being connected or integrated to allow for the movement and disposal of wastewater generated by one or the other's system in a manner that most efficiently and cost effectively manages wastewater transmission, treatment and disposal.

On September 27, 2016, Artesian Wastewater entered into a wastewater services agreement with Allen Harim Foods, LLC, or Allen Harim, for Artesian Wastewater to provide treatment and disposal services for sanitary wastewater discharged from Allen Harim's properties located in Sussex County, Delaware upon completion of a pipeline to transfer the sanitary wastewater. The pipeline was completed in the second quarter of 2017. The transfer of sanitary wastewater is pending receipt of a construction permit and installation of related on-site improvements by Allen Harim at its facility. On January 27, 2017, Artesian Wastewater entered into a second wastewater agreement with Allen Harim for Artesian Wastewater to provide disposal services for approximately 1.5 million gallons per day, or mgd of treated industrial process wastewater upon completion of an approximately eight-mile pipeline that will transfer the wastewater from Allen Harim's properties to a 90 million gallon storage lagoon at Artesian's Northern Sussex Regional Water Recycling Facility. We will use the reclaimed wastewater for spray irrigation on agricultural land in the area. The completion of the industrial process wastewater pipeline and storage lagoon should occur by the end of 2018.

MARYLAND REGULATED SUBSIDIARIES

Artesian Water Maryland, Inc., or Artesian Water Maryland, began operations in August 2007. Artesian Water Maryland distributes and sells water to residential, commercial, industrial and municipal customers in Cecil County, Maryland. Artesian Water Maryland owns and operates 8 public water systems including one in Port Deposit that has the ability to supply up to 1 mgd of water through an intake in the Susquehanna River.

Artesian Wastewater Maryland, Inc., or Artesian Wastewater Maryland, is a regulated wastewater entity in the State of Maryland and was incorporated on June 3, 2008. Artesian Wastewater Maryland is able to provide public wastewater services to customers in the State of Maryland. It is currently not providing wastewater services in Maryland.

PENNSYLVANIA REGULATED SUBSIDIARY

Artesian Water Pennsylvania, Inc., or Artesian Water Pennsylvania, began operations upon receiving recognition as a regulated public water utility by the Pennsylvania Public Utility Commission, or PAPUC, in 2002. It provides water service to a residential community in Chester County.

OTHER SUBSIDIARIES

Our four other subsidiaries, none of which are regulated, are Artesian Utility Development, Inc., or Artesian Utility, Artesian Development Corporation, or Artesian Development, Artesian Storm Water Services, Inc., or Artesian Storm Water, and Artesian Consulting Engineers, Inc., or Artesian Consulting Engineers.

Artesian Utility was formed in 1996. It designs and builds water and wastewater infrastructure and provides contract water and wastewater services on the Delmarva Peninsula. Artesian Utility also evaluates land parcels, provides recommendations to developers on the size of water or wastewater facilities and the type of technology that should be used for treatment at such facilities, and operates water and wastewater facilities in Delaware for municipal and governmental organizations. Artesian Utility also contracts with developers for design and construction of wastewater facilities within the Delmarva Peninsula, using a number of different technologies for treatment of wastewater at each facility. In addition, as further discussed below, Artesian Utility operates the Water Service Line Protection Plan, or WSLP Plan, the Sewer Service Line Protection Plan, or SSLP Plan, and the Internal Service Line Protection Plan, or ISLP Plan.

Artesian Utility currently operates wastewater treatment facilities for the town of Middletown, in southern New Castle County, Delaware, or Middletown, under a 20-year contract that expires in July 2022. The facilities include two wastewater treatment stations with capacities of up to approximately 2.5 mgd and 250,000 gallons per day, respectively. We also operate a wastewater disposal facility in Middletown in order to support the 2.5 mgd wastewater facility. One of the wastewater treatment facilities in Middletown now provides reclaimed wastewater for use in spray irrigation on public and agricultural lands in the area.

The WSLP Plan covers all parts, material and labor required to repair or replace participating customers' leaking water service lines up to an annual limit. The SSLP Plan covers all parts, material and labor required to repair or replace participating customers' leaking or clogged sewer lines up to an annual limit. The ISLP Plan enhances available coverage to include water and wastewater lines within customers' residences. As of June 30, 2018, approximately 19,500, or 23.8%, of our eligible water customers enrolled in the WSLP Plan, approximately 15,500, or 19.0%, of our eligible enrolled in the SSLP Plan, and approximately 5,200, or 6.4%, of our eligible customers enrolled in the ISLP Plan. Approximately 1,700 non-utility customers enrolled in one of our three protection plans.

Artesian Development is a real estate holding company that owns properties, including land zoned for office buildings, a water treatment plant and wastewater facility, as well as property for current operations, including an office facility in Sussex County, Delaware. The facility consists of approximately 10,000 square feet of office space along with nearly 10,000 square feet of warehouse space. This facility allows all of our Sussex County, Delaware operations to be housed in one central location.

Artesian Storm Water, incorporated on January 17, 2017, was formed to provide design, installation, maintenance and repair services related to existing or proposed storm water management systems in Delaware and the surrounding areas. The ability to offer storm water services will complement the primary water and wastewater services that we provide.

Artesian Consulting Engineers no longer offers development and architectural services to outside third parties. We will continue to provide design and engineering contract services through Artesian Utility.