Alert Levels

Water quality samples are analysed during the summer recreational season in accordance to the ACT Guidelines for Recreational Water Quality. Alerts are determined using the Guidelines and notice is given under Section 21 of the Lakes Ordinance 1976 advising alerts and the level of caution needed by lake users. There are four alert levels for blue-green algae (cyanobacteria). These are:

There are two alert levels for bacteria (intestinal enterococci). These are:

  • Open
  • Closed

Use links across the top of the page to navigate by alert level. All Zones with that alert in place will be displayed. Alert levels and the level of caution needed by lake users are explained under Definitions.