Glossary

Agenda 21 | Aquifer types | Asessments | Assembly | Bankability | CSO | Carpathian Convention | Cisterns | Climate Change | Concepts / Definitions / Glossary | Convention | Convention on Biological Diversity | Council | DABLAS Initiative | Dinaric Arc | Drainage model | Drainage research | Dry Sanitation Technology | Earth Summit | Environment for Europe | Evaluation | Framework Convention | Framework Convention on Climate Change(FCCC) | Governance | Groundwater table | Hashar | Human Development | IRBM | Improved water resources | Indicators | International Waters | Irrigation environmental consequences | Irrigation features | Irrigation in Egypt | Irrigation of alluvial fans | Irrigation water management | Laboratory Network | Land drainage | Glossary | MSGP | National Policy Dialogue | Persistent Organic Pollutants | Persistent Pesticides | Petersberg Process | Primary data | Public involvement | Reporting | River Basin Organizations | River basin councils | Rural Water Supply and Sanitation (RWSS) | Salinity control | Secondary data | Sector-wide Approach (SWAP) | Soil hydrology | Soil salinity | Tariffs | Tertiary data | Tidal irrigation (Abadan) | UN Agency | WSS | Water Footprint | Water Governance | Water as environmental good | Water as social good | Watershed | Watertable control | Workspace - UNDP Partnership with Coca-Cola |

Absolute humidity | Acceptable daily intake (ADI) | Acid rain | Acid water | Actinomycetes | Activated sludge | Activated sludge process | Adsorption | Advocacy | Aerobic lagoon | Aesthetic objective | Agenda 21 | Agricultural environment | Air gap | Algae | Alkali | Alkaline water | Alkalinity | Ambient temperature | Anaerobic lagoon | Anaerobic pond | Analytical achievability | Anthropogenic | Aqua-privy | Aquaculture | Aquifer | Aquifer types | Around the end mixing | Artesian water | Asessments | Assembly | Atmosphere | Attached growth system | Back flow | Back pressure | Back siphonage | Back water valve | Background concentration | Background level | Bankability | Bathing waters | Belt skimmer | Best available technology | Bicarbonate | Biochemical oxygen demand | Biofilm | Biofilters | Biological nutrient removal | Black water | Blackwater | Blind baffle | Blow-down | Blue green water | Body of water | Boil water advisory-order | Boiling | Borehole latrine | Bottled water | Brackish water | Buffer zone | Building drain | Building subdrain | CSO | Carpathian Convention | Catchment | Cation exchange | CentraliSed system | Centrifuge | Chamber soakaway | Chemical oxygen demand | Chemical toilet | Chemical water contamination | Chemical water softening | Chlorinated water | Chlorination | Chlorine | Cholera | Cistern | Cisterns | Clarifier | Climate Change | Closed water circuit | Closed water networks | Coagulated water | Coagulation | Coastal water | Coastal water pollution | Coliform bacteria | Coliforms | Collecting system | Collecting channels | Combined building drain | Combined sewer | Commercial water consumption | Commons | Community water source | Community water tap | Concepts / Definitions / Glossary | Concrete-lined earthen reservoir | Condominium sewerage | Confined water | Conflict about water | Constructed wetlands | Consumption of water | Contaminant | Contaminated water | Continental water | Control measure | Control point | Convention | Convention on Biological Diversity | Conventional treatment | Cooling water | Copepods | Corrective action | Corrosive water | Council | Crop coefficient | Cross connection | Cross contamination | Cryptosporidiosis | Cryptosporidium | DABLAS Initiative | Dead water | Deep-layer injection | Deionized water | Dengue | Depuration | Diarrhoea | Dinaric Arc | Direct filtration | Direct recharge | Disc skimmer | Discharge pipe | Disinfected water | Disinfection | Disinfection by-products | Disposal | Dissolved air flotation | Dissolved oxygen | Distilled water | Distribution channels | Domestic connection | Domestic use | Domestic water | Domestic water consumption | Domestic water meter | Domestically acquired | Double-vault compost latrine | Down pipe | Downstream ecosystem | Downwelling | Drain | Drain cock | Drainage field | Drainage model | Drainage research | Drainage system | Drainage trench | Drift | Drilled well | Drip irrigation | Dry Sanitation Technology | Drying bed | Dual system | Dual system (hot water plumbing) | Dual water supply network | Dug well | Earth Summit | Ebb tide | Ecosphere | Ecosystem | Effluent | Eichornia crassipes | El Niño | Elevated steel reservoir | Environment advisor | Environment for Europe | Environmental monitoring | Environmental quality standard | Environmental requirements | Environmentally sensitive zones | Escherichia coli | Eutrophication | Evaluation | Evaporation | Evaporative condenser | Evapotranspiration | Facultative lagoon | Facultative pond | Faecal indicator organism | Ferrocement water tank | Field capacity | Filter backwash | Filter drain | Filter press | Filter strips | Filtered water | Final water | Finished water | Float valve | Flocculated water | Flocculation | Flood | Flushing | Flushometer valve | Framework Convention | Framework Convention on Climate Change(FCCC) | Fresh water | Freshwater | Frontier waters | GEMS-EAU | GLWQA | Garburator | Global Water Quality Monitoring Programme | Governance | Graywater | Grease interceptor | Green water | Greenhouse gases | Greywater | Grit removal | Groundwater | Groundwater catchment | Groundwater contamination | Groundwater exploitation | Groundwater exploration | Groundwater flow | Groundwater flow system | Groundwater recharge | Groundwater runoff | Groundwater table | Groundwater under the influence of surface water | Groundwater use | Guideline value | Gulf stream | Gutter | Halocline | Hard water (see hardness, total) | Hardness, total | Hashar | Hazard analysis | Hazard analysis and critical control point (HACCP) | Hazardous waste | Health-based target | Heat engine | Heavy metals | Heavy water | Helminth | Heterotroph | Heterotrophic plate count | Host | Hot tub | Household water management | Household water storage | Household water supplies (see Household water storage) | Household water treatment | Human Development | Human-vector contact | Hydraulic conductivity | Hydraulic gradient | Hydraulic retention time | Hydrological cycle | Hydrolysis | Hygienic water use | IRBM | IWRM | Imbibition | Impeller mixing | Impermeable | Impervious layer | Impoundment | Improved water resources | Incrustant water | Indicator organism | Indicators | Indirect recharge | Industrial waste | Industrial wastewater | Industrial water | Industrial water consumption | Infiltration rate | Infiltration trench | Intake | Integrated management of water resources | Integrated waste management | Interior waters | Intermediate water | International Drinking Water Supply and Sanitation Decade | International Waters | Irrigation environmental consequences | Irrigation features | Irrigation in Egypt | Irrigation of alluvial fans | Irrigation water | Irrigation water management | Laboratory Network | Lack of drinking water services | Lagoon | Lake water collection | Land drainage | Landless | Larva | Latrine | Glossary | Leach pit | Leachate | Leaching | Legionellosis | Leopold plastic block | Leptospirosis | Lime | Localized irrigation | Log-reduction | Low-rate biological treatment systems | MSGP | Mains water | Maintenance | Manifold | Maximum acceptable concentration (MAC) | Mechanical dispersion | Medium | Monitoring | Multi-barrier approach | Multiple barriers | National Policy Dialogue | Natural spa | Nephelometric Turbidity Unit | Night storage water reservoir | Nightsoil | Non-piped water system | Non-point source pollution | Non-potable water | Nutrients | Occurrence | Off-site sanitation | Offset pit | Oil trap | On-site sanitation | Operational monitoring | Over and under mixing | Overhung latrine | Overland flow | Owner-Operator | Oxidation ditch | PH | Packaged drinking water | Pan | Part per billion | Part per million | Perforated baffle | Performance targets | Permeable | Persistent Organic Pollutants | Persistent Pesticides | Petersberg Process | Photosynthesis | Pit latrine | Plumbing | Plumbing fixture | Point source pollution | Point-of-entry treatment device | Pollution | Porosity | Port | Potable Water | Potable water | Pour-flush latrine | Precautionary principle | Pressure reduction valve | Primary data | Primary sludge | Private water supply | Private water system | Probable nosocomial | Protected side intake | Public involvement | Public standpost | Public water system | Rainfall run-off | Rainwater collection | Raw water | Receiving waters | Reclaimed water | Recreational water | Recycled water | Red tide | Reinforced concrete reservoir | Relative humidity | Reporting | Restricted irrigation | Retention basin | Return activated sludge | Risk management | River Basin Organizations | River basin councils | River-bottom intake waterway | Roof catchment | Roof drainage | Rooftop rainwater harvesting | Rotating biological contactor (RBC) | Run off | Rural Water Supply and Sanitation (RWSS) | Safe household water storage | Salinity control | Sand filtration | Sanitary building drain | Sanitary inspections | Sanitary sewer | Sanitation | Schistosomiasis | Scum | Sea surface temperature | Secondary data | Secondary treatment | Sector-wide Approach (SWAP) | Sedimentation | Semi-public system | Sentinel point | Septic tank | Sequencing batch reactors | Settled sewerage | Settled water | Sewage | Sewage system | Sewer | Sewerage | Sewerage mining | Sludge | Soda ash (Na2CO3) | Soft water | Soil | Soil hydrology | Soil salinity | Solar hot water | Solids | Sorption | Source separation | Source water | Southern Oscillation | Stabilized water | Storm water drainage | Stormwater | Subsoil drain | Sullage | Surface water | Surveillance of drinking-water quality | Suspended growth system | Suspended solids | Swales | Tariffs | Temperature and pressure relief valve | Tertiary data | Tertiary treatment | Thermal expansion | Thickening (sludge) | Tidal irrigation (Abadan) | Tolerable daily intake (TDI) | Trap | Treatment achievability | Trickling filter | Trough | Turbidity | Typhoid | UN Agency | Unrestricted irrigation | Unsaturated zone | Upflow anaerobic sludge blanket | Upflow anaerobic sludge blanket reactor | Vadose zone | Variability | Verification | Verification monitoring | WSS | Waste stabilization pond | Waste-fed aquaculture | Wastewater | Wastewater reclamation | Wastewater reuse | Wastewater treatment plant | Water | Water Footprint | Water Governance | Water as environmental good | Water as social good | Water audit | Water closet | Water contamination | Water cycle | Water farming | Water hyacinth | Water management | Water physical characteristics | Water planning | Water policy | Water pollution | Water quality | Water recharge | Water resource development | Water resources |