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1. Water

Discussion related to all aspects of drinking water supply.
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  • 1.1 Ground Water
    Forum for discussion on ground water abstraction, contamination, hydrogeology, geophysics, ground water recharge etc.
    3 Topics
    16 Posts
    Last post by environmentgis
    Tue Mar 30, 2010 3:35 am
  • 1.2 Surface Water
    Forum for discussion on abstracting water from ponds, lakes, streams, rivers and reservoirs, intake design, water source selection, water source development, floating intakes, abstraction galleries, etc.
    0 Topics
    0 Posts
    No posts
     
  • 1.3 Drilling
    Forum for discussion on hand drilling, machine drilling, drilling rigs, drilling bits, drilling techniques, drilling fluids, well lining, well development, yield testing, etc.
    5 Topics
    32 Posts
    Last post by humprango
    Sun Mar 07, 2010 7:38 pm
  • 1.4 Hand Dug Wells
    Forum for discussion on site selection, construction, repairing, deepening, lining techniques, dewatering, low-cost wells, etc.
    2 Topics
    11 Posts
    Last post by ewbgareth
    Tue Mar 09, 2010 9:11 am
  • 1.5 Handpumps
    Forum for discussion on handpump performance, testing, selection, fabrication, installation, maintenance, spare parts supply chains, handpump apron designs, playpumps etc.
    10 Topics
    61 Posts
    Last post by NicNak
    Fri Apr 09, 2010 9:25 am
  • 1.6 Piped Water Schemes
    Forum for discussion on pipe and fittings types, specifications, looped and branched network design, computer design software, installation, maintenance, pressure testing, leak detection, water hammer, gravity flow, fire flow, peak flow, intermittent systems, etc.
    14 Topics
    73 Posts
    Last post by adgreg
    Wed Feb 17, 2010 9:37 am
  • 1.7 Topographic Surveying
    Forum for discussion on equipment, techniques, precision, setting out, theodolites, altimeters, total station, differential GPS, abney levels, software, etc.
    1 Topics
    5 Posts
    Last post by Sebastian
    Sat Jan 09, 2010 11:24 am
  • 1.8 Springs
    Forum for discussion on spring location, capping, spring boxes, flow measurement, cleaning, water quality, etc.
    0 Topics
    0 Posts
    No posts
     
  • 1.9 Water Storage
    Forum for discussion on tank design, construction, cleaning, elevated towers, ferrocement, bamboo-crete, stabilized soil tanks, submerged tanks, etc.
    2 Topics
    5 Posts
    Last post by Merlin
    Sat Aug 29, 2009 9:35 am
  • 1.10 Rainwater Harvesting
    Forum for discussion on designing roof catchments, evaluating harvesting potential, rainwater tank design and constrution, first flush mechanisms, rainwater quality, fog harvesting, dew harvesting, etc.
    4 Topics
    9 Posts
    Last post by Xensystems
    Wed Feb 10, 2010 5:56 pm
  • 1.11 Water Pumping
    Forum for discussion on pump selection, centrifugal pumps, submersible pumps, ram pumps, wind pumps, solar pumps, pumping curves, system curves, duty points, altitude derating, temperature derating, humidity derating, cost recovery analysis, maintenance, etc.
    1 Topics
    2 Posts
    Last post by LarryB
    Sun Jan 24, 2010 11:28 pm
  • 1.12 Surface and Subsurface Dams
    Forum for discussion on dam location, design, construction, rehabilitation, cleaning, haffir dams, groundwater recharge dams etc.
    1 Topics
    1 Posts
    Last post by Merlin
    Sat Aug 29, 2009 10:11 am
  • 1.13 Water Treatment
    Forum for discussion on chlorination, slow sand filtration, micro filtration, nano filtration, UV irradiation, desalination, reverse osmosis, roughing filtration, charcoal filtration, sedimentation, coagulation and flocculation, solar distillation, compact water treatment unit performance, etc.
    3 Topics
    23 Posts
    Last post by Caetano Dorea
    Wed Feb 10, 2010 4:16 pm
  • 1.14 Urban Water
    Forum for discussion on urban water system design in planned and unplanned urban and peri-urban settlements.
    1 Topics
    1 Posts
    Last post by TurdTechnician
    Thu Oct 01, 2009 4:27 pm
  • 1.15 Water Quality
    Forum for discussion on chemical and biological water quality contaminants, water testing equipment, testing techniques, guidelines, water safety plans, sanitary surveys, surveillance, etc.
    4 Topics
    31 Posts
    Last post by Rahul Pathak
    Mon Apr 05, 2010 2:27 am
  • 1.16 Household Treatment
    Forum for discussion on ceramic filters, safe water system, sodis, PUR, watermaker, britta filters, nerox filters, lifestraw, ceramic kiln construction, colloidal silver, chuli filters, bone char filters, biosand filters, waterguard, electrolytic chlorine generators, etc.
    16 Topics
    87 Posts
    Last post by Christian
    Fri Apr 09, 2010 3:34 am
  • 1.17 Emergency Water
    Forum for discussion on emergency water abstraction, treatment, storage and distribution equipment, pumpsets, compact water treatment units, oxfam tanks, bladders, tapstands, dosers, trucking etc.
    15 Topics
    87 Posts
    Last post by Christian
    Fri Apr 09, 2010 3:50 am
  • 1.18 Wastewater Drainage and Reuse
    Forum for discussion on waste water disposal, drainage, reuse in agriculture, health risks, infiltration fields, grease traps, soakage pits, stormwater ditches etc.
    2 Topics
    3 Posts
    Last post by CompostToiletsRock
    Tue Dec 01, 2009 11:50 am
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