Water quantity and quality monitoring networks The department
operates and maintains four networks across the state to monitor
surface and groundwater quantity and quality. These programs
operate under an ISO 9001 certified Quality Management System
(which is audited and re-assessed every three years) to ensure
public confidence in the data underpinning the department's
water planning and management activities. The department has an
extensive network of around 400 stream gauging station sites
across the state where river height and stream flow information
is collected. A subset of some 170 of these gauging stations
collect time series water quality data (i.e. continuous
conductivity and temperature data). Streamflow data from the
Stream Gauging Station Network (PDF, 872K)* is used for a number
of purposes, including: - monitoring water quantity, and the
condition and trend of water quality - monitoring compliance
with resource operations plan requirements - informing decisions
on day-to-day management, e.g. m