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Wyong Shire Council Wyong Shire Council Ocean beaches: Frazer, Birdie, Budgewoi, Lakes, Hargraves, Jenny Dixon, Cabbage Tree Bay, Lighthouse, Gravelly, Soldiers, North Entrance, The Entrance, Blue Bay, Toowoon Bay, Shelly, Blue Lagoon, Bateau Bay. River sites: Wyong River, Ourimbah Creek, Tumbi Umbi Creek. Coastal lakes: Summerland Point, Gwandalan, Chain Valley Bay, Elizabeth Bay, San Remo, Toukley Aquatic, Canton Beach, Pelican, Long Jetty. Tidal pool: Cabbage Tree Bay. sampling site Council Programs – Port Stephens Council 67 Local government area description was recorded at the 17 ocean beaches and Cabbage Tree Bay Rock Pool (Figure 7). All Wyong Shire Council is located 100 beaches, from Frazer in the north to Bateau kilometres north of Sydney and covers an Bay in the south, were suitable for area of 827 square kilometres. The Shire swimming in all months of the 2004–2005 extends from Gwandalan in the north to summer swimming season. Ourimbah in the south and has a population of approximately 135,900, Water quality in Cabbage Tree Bay rockpool growing at the rate of 3.9% each year. There was suitable for swimming in October 2004, is a considerable expansion in planned March 2005 and April 2005, the three urban development within the shire. months in which compliance was assessed. The council area encompasses numerous Response to rainfall ocean beaches, the southern extent of Lake Bacterial levels at all beaches were generally Macquarie, Tuggerah Lakes and the Wyong low throughout the monitoring period. River. Although slightly elevated levels of bacteria Wyong Shire is characterised by towns and were measured at most of the ocean beaches villages separated by extensive areas of on one or two occasions, monitoring did not natural vegetation, with the three most reveal evidence of sewage contamination in predominant land uses being urban either dry or wet weather conditions. development, agriculture and forestry. Similar results were obtained during (Wyong Shire Council, 2002). previous monitoring carried out during the 2002–2003 and 2003–2004 summer Program outline swimming seasons (Department of A total of 30 swimming locations were Environment and Conservation, 2004b and monitored by Wyong Shire Council, 2004c). including 17 ocean beaches, nine lake sites, Lake Macquarie one tidal pool and three river sites in the Tuggerah Lakes catchment. Guideline compliance Faecal coliform and enterococci samples The three swimming locations monitored in were collected from all but one of the 30 Lake Macquarie were Summerland Point, locations over all seven months of the 2004– Gwandalan and Chain Valley Bay. All three 2005 summer swimming season to assess locations passed the NHMRC (1990) compliance with NHMRC (1990) swimming swimming water quality guidelines in all water quality guidelines. At Cabbage Tree seven months of the 2004–2005 summer Bay Pool, samples were collected in three swimming season (Figure 7). months, October 2004, March 2005 and April 2005. Response to rainfall At Toowoon Bay, insufficient samples to Levels of faecal coliforms and enterococci at assess compliance were collected in April Summerland Point, Chain Valley Bay and 2005. Gwandalan were slightly elevated throughout the summer season and Only four samples were collected in some displayed no clear response to rainfall. months at some sites. Where this was the case, the closest sample in time from an Results from previous monitoring indicate adjacent month was ’borrowed’ in order to that swimming in Lake Macquarie should provide the five data points required. be avoided during and after rainfall (Department of Environment and Ocean beaches and tidal pool Conservation, 2004b). Guideline compliance A high level of compliance with NHMRC (1990) swimming water quality guidelines 68 Beachwatch Partnership Program – State of the Beaches 2004–2005 Lake Munmorah Tuggerah Lake Guideline compliance Guideline compliance Elizabeth Bay, located in the southeast The three swimming locations monitored in corner of Lake Munmorah, complied with Tuggerah Lake were Canton Beach in the the NHMRC (1990) swimming water north, Long Jetty in the south, and Pelican quality guidelines in six of the seven near the entrance to the lake. months of the 2004–2005 summer The highest levels of compliance were swimming season. The site failed the recorded at Long Jetty and Pelican, which guidelines in April 2005 owing to elevated complied with the NHMRC (1990) levels of enterococci. swimming water quality guidelines in all Response to rainfall seven months of the 2004–2005 summer Slightly elevated bacterial levels were swimming season (Figure 7). measured at Elizabeth Bay on several Canton Beach complied with the NHMRC occasions throughout the monitoring period, (1990) swimming guidelines in six of the often in response to little or no rainfall. seven months of the 2004–2005 summer Results from previous monitoring indicate swimming season. The site failed the that high levels of bacteria may be swimming guidelines in April 2005 due to measured at the site in response to heavy elevated levels of enterococci. rainfall (Department of Environment and Response to rainfall Conservation, 2004b). Although previous monitoring has revealed Lake Budgewoi elevated bacterial levels in response to rainfall at sites in Tuggerah Lake, Guideline compliance monitoring over the 2004–2005 summer The two swimming locations monitored in season did not reveal similar trends. Lake Budgewoi were San Remo in the north Tuggerah Lakes catchment and Toukley Aquatic in the south. Both sites complied with NHMRC (1990) Guideline compliance swimming water quality guidelines in all The three sites monitored in the Tuggerah seven months of the 2004–2005 summer Lakes catchment were Wyong River, swimming season (Figure 7). Ourimbah Creek and Tumbi Umbi Creek. There was a substantial improvement in All three locations failed the NHMRC (1990) water quality at San Remo compared to the swimming water quality guidelines in all previous summer. In 2003–2004, the site seven months of the 2004–2005 summer failed the guidelines in all seven months of swimming season (Figure 7). the summer swimming season (Department of Environment and Conservation, 2004c). Poor results were obtained during the 2002– 2003 and 2003–2004 summer seasons Response to rainfall (Department of Environment and Slightly elevated levels of faecal coliforms Conservation 2004b and 2004c). and enterococci were recorded throughout the 2004–2005 summer swimming season, Response to rainfall with no clear response to rainfall. High levels of bacteria were measured in Previous monitoring at San Remo has the Wyong River, Tumbi Umbi Creek and revealed high bacterial levels in response to Ourimbah Creek throughout the 2004–2005 low levels of rainfall, suggesting a wet monitoring period, in both wet and dry weather source of sewage contamination in weather conditions. the vicinity of the swimming site Bacterial levels at all three sites were (Department of Environment and slightly lower in October 2004 and April Conservation, 2004c). 2005 than in other summer months. Council Programs – Wyong Shire Council 69 Figure 7: Summary of compliance with NHMRC (1990) microbiological guidelines for swimming at Wyong Shire Council swimming sites over the 2004–2005 summer season Ocean beaches Frazer Beach 7/7 Birdie Beach 7/7 Budgewoi Beach 7/7 Lakes Beach 7/7 Hargraves Beach 7/7 Jenny Dixon Beach 7/7 Cabbage Tree Bay 7/7 Lighthouse Beach 7/7 Gravelly Beach 7/7 Soliders Beach 7/7 North Entrance 7/7 The Entrance 7/7 Blue Bay 7/7 Toowoon Bay 6/6 Shelly Beach 7/7 Blue Lagoon 7/7 Bateau Bay Beach 7/7 Estuarine sites Summerland Point 7/7 Gwandalan 7/7 Chain Valley Bay 7/7 Elizabeth Bay 6/7 San Remo 7/7 Toukley Aquatic 7/7 Canton Beach 6/7 Pelican 7/7 Long Jetty 7/7 River sites Wyong River 0/7 Ourimbah Creek 0/7 Tumbi Umbi 0/7 Rock pools Cabbage Tree Bay 3/3 01234567 Months complied out of months sampled 70 Beachwatch Partnership Program – State of the Beaches 2004–2005 Frazer Beach See page 66 for key to map Description Frazer Beach is located within the Munmorah State Recreation Area. The beach is patrolled during the Christmas and Easter school holidays and frequently used on weekends and holidays for surfing, swimming, fishing and camping. Pollution Sources There are few pollution sources at this beach. Outflow from the lagoon may affect water quality in wet weather. Discharge from commercial and recreational boats is also a potential pollution source. Compliance The site complied with NHMRC (1990) swimming guidelines in all seven months of the 2004–2005 summer swimming season. Compliance with NHMRC (1990) swimming guidelines at Frazer Beach OCT ’04 NOV ’04 DEC ’04 JAN ’05 FEB ’05 MAR ’05 APR ’05* FC PASS PASS PASS PASS PASS PASS PASS ENT PASS PASS PASS PASS PASS PASS PASS * only four samples were collected in this month. An additional data point was borrowed from an adjacent month to calculate compliance. Timeseries plots Levels of faecal coliforms and enterococci remained low over the monitoring period, providing no evidence of sewage contamination. Faecal coliforms and rainfall 100000 0 10000 50 1000 100 100 150 count/100 mL 10 Daily rainfall (mm) 1 200 Oct-04 Nov-04 Dec-04 Jan-05 Feb-05 Mar-05 Apr-05 Enterococci and rainfall 100000 0 10000 50 1000 100 100 150 count/100 mL 10 Daily rainfall (mm) 1 200 Oct-04 Nov-04 Dec-04 Jan-05 Feb-05 Mar-05 Apr-05 See page 4 for key to graph Council Programs – Wyong Shire Council 71 Birdie Beach See page 66 for key to map Description Birdie Beach is located within the Munmorah State Recreation Area, at the northern end of an eight kilometre- long beach. The beach is backed by a well vegetated foredune. It is popular during holiday periods and used for swimming, surfing, fishing and camping. Pollution Sources There are few potential pollution sources at this beach.
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