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Haifa Region Association of Towns - Sewerage – Wastewater Treatment Plant

The Haifa Region Association of Towns - Sewerage

The Association is responsible for treating wastewater from Metropolitan Haifa and nearby cities and towns, serving a total population of about 250,000 and covering a total land area of about 100 km². Raw sewage entering the treatment plant contains organic material, both dissolved and in suspension, originating from households and industries. This wastewater is treated at our treatment plant located in the Haifa Bay at the end of Ha’ashlag Street. Its principal function is the breakdown of organic compounds in wastewater. The plant takes in and treats several hundred thousand cubic meters of sewage each day using advanced biological treatment processes. The treated wastewater – the effluents – are sent to the Jezreel Valley where it is used to irrigate field crops.

The Association achieves three important goals through operation of the treatment plant:

  1. Safeguarding of public health.
  2. Advanced treatment of wastewater to prevent ecological impacts.
  3. Reuse of water that brings about an annual savings of about 38 million m³ of water each year in Israel’s water economy.
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Take a look at this video clip that illustrates the processes operated by the Association
  1. Construction of the wastewater treatment plant


    The Haifa Regional Wastewater Treatment Facility originally constructed in 1961 was the first established in Israel.

    The Haifa Regional Wastewater Treatment Plant, which was originally constructed in 1961, was the first of its kind established in Israel.

    The wastewater was treated biologically and was based on a trickling filter and sludge treatment method. The plant was planned at first to serve a population of up to 225,000 and was therefore designed to handle about 30,000 m³ wastewater per day. The plant’s biological filtration beds, sludge digester tanks and sludge drying beds can be seen in this picture.

  2. Expension of the Wastewater Treatment Facility


    In the mid-1970s, the facility was expanded to serve a population of up to 550,000.

    The facility was thus designed to receive wastewater at an average flow rate of 80,000 m³ per day. A more advanced activated sludge biological  treatment system was also added.

  3. Additional expansion and upgrade operations


    As its service population grew and demands were made for more advanced treatment of wastewater, further activities were undertaken in 1994 to expand and upgrade the facility.

    These upgrade activities included transition to the treatment of all the wastewater using the activated sludge method and an increase in the average design flow rate to 120,000 m³ per day.

  4. End of expansion operations


    Most of the expansion works for the facility [based on the 1994 expansion plan] were concluded in 2002 at a total cost of about NIS 170 million.

    The association is currently preparing for an additional upgrade of the facility in order to comply with new more stringent requirements for effluent quality demanded from treatment facilities in Israel.

  5. The plant in 2018


    Regulations governing the quality of effluents and sludge have been tightened. As a result, the Association has begun an additional upgrade of the plant in order to produce effluents at a tertiary level of quality. The plant upgrade will include the construction of the following installations: coarse and fine pre-filtration units, sand removal units, an odor control installation, an effluent filtration installation, an effluent disinfection installation and an additional biological wastewater treatment module.

    Following the upgrade, the effluents will conform to all quality requirements for unlimited irrigation.

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Profile of the Association

Eight cities are incorporated in the Haifa Region Association of Towns – Sewerage: Haifa, Kiryat Ata, Kiryat Bialik, Kiryat Motzkin, Kiryat Yam, Shfaram, Nesher and Tirat Hacarmel. All of these cities discharge their sewage into the plant. The wastewater plant also handles sewage from the following localities: Zebulon Regional Council, Rechesim Local Council, Iblin Local Council, Moshav Kfar Hasidim, Kibbutz Afek, Adi Community Village and Mitzpe Harduf – and from the following industrial plants: Israel Refineries, Carmel Olefins, Deshanim Fertilizers & Chemicals, Haifa Chemicals, Gadiv Petrochemical Industries and Gadot Biochemical Industries. The Association is managed by a Board of Directors comprised of representatives of all of the local municipal authorities partnering in the Association. The Association’s Board of Directors is comprised of 14 members and holds regular meetings at the treatment plant. At these meetings, the members receive periodic reports, discuss development plans and decide on issues such as investments, works, development, operating budgets, development budgets, financial statements and approval of decisions taken by the Association’s committees. There are two subcommittees that operate under the aegis of the Board of Directors – a Tenders Board and an Auditing Committee.

In 2018, the Association’s operating budget totaled NIS 74 million and its development budget totaled NIS 79 million.

The treatment plant handled approximately 38,000,000 m³ of wastewater in 2017.

Local authorities served

The Association provides a range of wastewater treatment services to 11 cities and regional councils in the Metropolitan Haifa region
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