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The development and operation of low-cost reedbeds for greywater treatment in Costa Rica, Central America

University of New England
Publication Date
  • Law


untitled water Volume 37 No 6 SEPTEMBER 2010 PR IN T PO ST A PP RO VE D PP 2 25 51 7/ 00 00 8 JOURNAL OF THE AUSTRALIAN WATER ASSOCIATION WASTEWATER TREATMENT • ENVIRONMENTAL WATER MANAGEMENT SEPTEMBER 2010 1water ‘Pigging’ is a well tried method of cleaning water mains of all sizes, even the large diameter mains used in the South East Queensland water grid. Our photo shows the lowering of a 962mm diameter polyurethane foam pig into the purpose-built permanent pigging facility at Stayplton Balance Tank, where it ran some 15 km to Coomera permanent online Pigging Launch and Receiving pit. The discharge of precommissioned water in front of the pig would have been in the range of 15 megalitres followed by 1 megalitre of flushing water. Planning for the disposal of such flows into the environment, whether urban or country, has both social and legal aspects which are discussed on page 84. OUR COVER water Journal of the Australian Water Association ISSN 0310-0367 Volume 37 No 6 September 2010 Enviro 10 - see page 16 REGULAR FEATURES From the AWA Chief Executive What Does the Future Hold? T Mollenkopf 4 My Point of View S Burn 5 Crosscurrent 8 Aquaphemera R Knee 8 Industry News 14 AWA News 18 AWA Annual General Meeting 24 Events Calendar 30 Water Quality Monitoring and Analysis Roadshow - see page 22 FEATURE REPORTS Protecting Our Catchments M Bartley, A Skipper 32 A Standard Framework for Catchment Condition Reporting J Gourley, Senior Consultant, ALS Water Resources Group 34 Environmental Water Allocation: Some Unresolved Issues Dr J J Pigram, Adjunct Professor, University of New England 40 AWA CONTACT DETAILS Australian Water Association ABN 78 096 035 773 Level 6, 655 Pacific Hwy, PO Box 222, St Leonards NSW 1590 Tel: +61 2 9436 0055 Fax: +61 2 9436 0155 Email: [email protected] Web: DISCLAIMER Australian Water Association assumes no responsibility for opinion or statements of facts expressed by con

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