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About Haifa Region Association of Towns - Sewerage

The Haifa Region Association of Towns - Sewerage

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The Association is responsible for treating wastewater for the city of 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 facility contains organic material, both dissolved and in suspension, originating from households and industries. This wastewater is treated at our treatment facility located in the Haifa Bay area near the Israel Refineries plant. Its principal function is to remove organic compounds from wastewater through decomposition. The facility treats several hundred thousand cubic meters of sewage each day using advanced biological treatment processes. The treated wastewater – effluent – is sent to the Jezreel Valley where it is used in crop irrigation. The association attains two important goals through operation of the treatment facility: the first is the advanced treatment of wastewater in order to prevent ecological impacts and the second is the reuse of water that brings about an annual savings of about 35 million m³ of water each year for Israel’s water economy.

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  1. Establishment of the Wastewater Treatment Facility

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

    The wastewater is treated biologically and is based on a trickling filters and sludge treatment method. The facility was planned at first to serve a population of up to 225,000 and was therefore designed to handle a quantity of no more than 30,000 m³ wastewater per day.

  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 Association now

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  • 1961
  • 1975
  • 1994
  • 2002
  • 2017

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 facility.The wastewater facility 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 Board of Directors is comprised of 14 members and holds regular meetings at the facility.In addition to its permanent members, other participants holding key positions in the association are invited to meetings the Board of Directors. 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, sewerage fees 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 Auditing Committee.In 2011, the association’s operating budget totaled NIS 55 million and its development budget totaled NIS 13 million.The treatment facility handled approximately 31,900,000 m³ of wastewater in 2011. The quantities of wastewater discharged by the [principal] member authorities of the .association are shown in the following figure.


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