a MSL   above mean sea level

A9        Jaffna – Kandy highway

ADB      Asian Development Bank

BR        Bridge Regulator

BTL       Bund Top Level

CO        Carry Over

DC        Drainage Culvert

D/S       Downstream

DH       Driving Head

EPL       Elephant Pass Lagoon

FSL       Full Supply Level

FC        Field canal

GL        Giga Litres (109) Mcum

GWL     Ground Water Level

GWM   Ground Water Mound

Ha        Hectare

IT         Iranmadu Tank

JKWSSP Jaffna – Killinochi Water Supply and Sanitation Project

KIA       Killinochi Irrigation Area

KIA D3  Killinochi Irrigation Area Distribution Channel No 3

LB        Left Bank

LSS       Longitudinal sections

LT         Lower Trigger used for VADMARACHI EAST LAGOON operation

ML/day Mega (106) Litres per day

NAM    NedborAfstromnings Model (NAM) lumped rainfall–runoff models

NCPCP  North Central Province Canal Project

NE        North East monsoon rainfall

OFC      Other food crop (other than paddy)

PPM     Parts per Million (mg/ litres)

PE100   Polyethylene Pipe

RB        Right Bank

RC        Road Culvert

SMEC   Snowy Mountain Engineering Corporation

SW       South West monsoon rainfall

U/S       Upstream

UT        Upper Trigger used for VADMARACHI EAST LAGOON operation

VADMARACHI EAST LAGOON     Vadamarachi East Lagoon

VNL      Vadamarachi North Lagoon

WQ      Water Quality