Tuggerah South

View the report card for

Results explained

There was an improvement in the turbidity grade compared to last year, indicating improved water clarity. Chlorophyll-a concentrations still exceeded the trigger values frequently throughout the sampling period, meaning the positive gains in the turbidity did not increase the overall water quality grade. The good water clarity possibly provided favourable growth conditions for seagrass as the depth range grade improved.

Results explained

There have been persistent problems with high turbidity and chlorophyll-a concentrations in this zone. Observed data from this year saw a small improvement in turbidity, but chlorophyll-a concentrations were similar to last year. Seagrass depth range remains poor in this zone. There was no change in the overall grade.

Results explained

There was a decrease in seagrass depth range compared to last year in the southern zone of Tuggerah Lake, however this did not affect the overall grade, as the grades for the water quality indicators were consistent when compared to last year. Turbidity remains a concern in this zone, which is likely to be impacting the seagrass depth range.

Results explained

The southern part of Tuggerah Lake had increases in the average levels of both water quality indicators during 2014 as compared to the previous year. The changes were small enough to not affect the overall water quality grade with a good seagrass depth range keeping the overall condition grade the same as last year.

Results explained

The ecological health of the southern part of Tuggerah Lake was fair in 2013. A small increase in the seagrass depth range was observed, however there was no change in the algal or turbidity levels from the previous year.

Results explained

The southern part of Tuggerah Lake saw a fall in its report card grade from good in 2011 to fair in 2012, due largely to an increase in Algal levels. Water clarity remained consistent with high turbidity levels recorded and low seagrass depth range.