AEE Assessment of environmental effects
AS/NZS Australia and New Zealand Joint Standard
AWTS Aerated wastewater treatment plant
BOD Biochemical oxygen demand
BOOT Build-own-operate-transfer
CS Conventional sewerage
DBO Design-build-operate
DO Dissolved oxygen
DWM Decentralised wastewater management
E. coli Escherichia coliform organisms
EDS Effluent drainage servicing
EDTA Ethylenediamine tetraacetic acid (a chelating agent that helps to control water hardness ions that can interfere with the performance of household, industrial, and institutional cleaning products)
ETS Evapo-transpiration seepage
FC Faecal coliform organisms
HIAMP Hazard identification analysis and monitoring programme
HGL Hydraulic Grade Line
HSNO Hazardous Substances and New Organisms Act 1996
ISF Intermittent sand filter
IST Improved septic tank (with filter)
LATE Local authority trading enterprise
LPED Low-pressure effluent distribution
LPP Low-pressure pipe system
LTAR Long-term acceptance rate
MCS Modified conventional sewerage
MEDS Modified effluent drainage servicing
MST Multi-chamber septic tank
NTA Nitrilotriacetic acid (a chelating agent that help to control water hardness)
O&M Operation and maintenance
PEDS Pumped effluent drainage servicing
RMA Resource Management Act 1991
RSF Recirculating sand filter
SBR Sequencing batch reactors
ST Septic tank
STEP Septic tank effluent pumping
TKN Total kjeldahl nitrogen
TN Total nitrogen
TSS Total suspended solids
USEPA United States Environmental Protection Agency
VGS Variable-grade sewer