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State of the Beaches Annual Report 2016 Central Coast Region

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State of the Beaches Annual Report 2016 Central Coast Region State of the beaches 2015-16 Central Coast region For technical information about this report contact: Beachwatch, Office of Environment and Heritage NSW 59–61 Goulburn Street, Sydney PO Box A290, Sydney South NSW 1232 Phone: (02) 9995 5344 Email: [email protected] Web: www.environment.nsw.gov.au/beach Published by: Office of Environment and Heritage NSW 59 Goulburn Street, Sydney PO Box A290, Sydney South NSW 1232 Phone: (02) 9995 5000 (switchboard) Phone: 131 555 (information and publications requests) Email: [email protected] Website: www.environment.nsw.gov.au The Office of Environment and Heritage NSW is pleased to allow this material to be reproduced in whole or part, provided the meaning is unchanged and its source, publisher and authorship are acknowledged. ISBN 978-1-76039-475-2 OEH 2016/0533 October 2016 Central Coast region SUMMARY 2015–2016 Beach monitoring in New South Wales Statistics for 2015–2016: The water quality of beaches and other swimming locations is monitored under the NSW Government’s Beachwatch programs to provide the community with accurate information on the cleanliness of the water and to enable individuals to make informed decisions about where and when to swim. Routine assessment also measures the impact of pollution 44 2* sources, enables the effectiveness of stormwater and wastewater sites councils management practices to be assessed and highlights areas where further work is needed. Swimming sites in New South Wales are graded as Very Good, Good, Fair, Poor or Very Poor in accordance with the National Health and Medical Research Council’s 2008 Guidelines for Managing Risks in Recreational Waters. These Beach Suitability Grades provide a long-term assessment of how suitable a beach is for swimming. The grades are determined from the most recent 100 water quality results (two to four years’ worth of data depending on the sampling frequency) and a risk assessment of potential pollution sources. A guide on to how to read the report is provided on pages 56–59. Health risks Rainfall impacts Contamination of recreational waters with faecal material from animal and human Rainfall is the major driver of pollution to recreational waters, generating sources can pose significant health problems stormwater runoff and triggering discharges from the wastewater to beach users owing to the presence of treatment and transport systems. Changes in rainfall patterns are reflected pathogens (disease-causing micro-organisms) in beach water quality over time due to variation in the frequency and in the faecal material. The most common extent of stormwater and wastewater inputs. groups of pathogens found in recreational The Beach Suitability Grades for 2015–2016 are based on water quality waters are bacteria, protozoans and viruses. data collected over the last two to four years. Rainfall over this period has Exposure to contaminated water can cause been diverse, beginning with sustained wet weather, then very dry gastroenteritis, with symptoms including conditions and a return to wet weather with several heavy rain events and vomiting, diarrhoea, stomach-ache, nausea, severe thunderstorms: headache and fever. Eye, ear, skin and upper . 2012–2013: high levels of rainfall recorded in many areas respiratory tract infections can also be contracted when pathogens come into contact . 2013–2014: driest summer in almost 30 years with small breaks and tears in the skin or . 2014–2015: above average rainfall, particularly on the coast ruptures of the delicate membranes in the ear . 2015–2016: varied rainfall with wettest January on record. or nose. Thunderstorms produced heavy rainfall and flash flooding on the Central Certain groups of users may be more Coast in September 2015. Well above average rainfall was recorded in vulnerable to the threat of microbial infection January 2016 with 332mm recorded at Wyee, the highest total rainfall in than others. Children, the elderly, people with January for 30 years. February was dry with Avoca Beach recording a compromised immune systems, tourists, and total of 25mm of rainfall, the lowest February rainfall for at least 30 years. people from culturally and linguistically diverse Wet conditions returned in March with above average rainfall recorded for backgrounds are generally most at risk. the month. Avoca recorded a highest daily total of 69mm on 15 March. State of the Beaches 2015–2016 1 Central Coast Region – Summary Council amalgamation Wyong Shire Council and Gosford City Council amalgamated to form Central Coast Council on 12 May 2016 as part of the local government reforms. Results for the Central Coast region will be reported under the former councils to reflect the sampling and laboratory arrangements and management actions during the assessment period. Overall results for Central Coast Council Percentage of sites graded as Good or Very Good 64% 2015–16 Ocean beaches Estuarine beaches Lake/lagoon swimming sites Ocean baths State of the Beaches 2015–2016 2 Central Coast Region – Summary Beach Suitability Grades for Central Coast region Beach Central Coast Council Site type suitability Change grade Stable Former Frazer Beach Ocean beach VG Wyong Birdie Beach Ocean beach VG Stable Shire Council Budgewoi Beach Ocean beach VG Stable Stable Lakes Beach Ocean beach VG Stable Hargraves Beach Ocean beach VG Stable Jenny Dixon Beach Ocean beach VG Cabbage Tree Bay Ocean beach G Stable Lighthouse Beach Ocean beach VG Improved Gravelly Beach Ocean beach VG Stable Stable Soldiers Beach Ocean beach VG Stable North Entrance Beach Ocean beach VG Stable The Entrance Beach Ocean beach VG Stable Blue Bay Ocean beach VG Toowoon Bay Ocean beach VG Stable Shelly Beach Ocean beach VG Stable Stable Blue Lagoon Ocean beach VG Stable Bateau Bay Beach Ocean beach VG Gwandalan Lagoon/Lake P Stable Chain Valley Bay Lagoon/Lake P Stable Lake Munmorah Baths Lagoon/Lake P Stable Canton Beach Lagoon/Lake P Stable The Entrance Channel Estuarine G stable VG Very Good G Good F Fair P Poor VP Very Poor State of the Beaches 2015–2016 3 Central Coast Region – Summary Central Beach Coast suitability Council Swimming site Site type grade Change Stable Former Forresters Beach Ocean Beach G Gosford Wamberal Beach Ocean Beach G Stable City Council Wamberal Lagoon Lagoon P Stable Terrigal Beach Ocean Beach P Stable Terrigal Lagoon Lagoon P Improved North Avoca Beach Ocean Beach G Stable Avoca Beach Ocean Beach P Stable Avoca Lagoon Lagoon P Stable Copacabana Beach Ocean Beach G Improved Cockrone Lagoon Lagoon P Stable MacMasters Beach Ocean Beach G Stable Killcare Beach Ocean Beach G Stable Patonga Creek Estuarine P Stable Pearl Beach Ocean Beach G Stable Pearl Beach Rockpool Ocean Bath G Improved Umina Beach Ocean Beach G Stable Ocean Beach Ocean Beach G Improved Ettalong Channel Estuarine P Stable Pretty Beach Baths Estuarine P Stable Davistown Baths Estuarine P Stable Woy Woy Baths Estuarine P Stable Yattalunga Baths Estuarine P stable VG Very Good G Good F Fair P Poor VP Very Poor State of the Beaches 2015–2016 4 Central Coast Council (Former Wyong Shire Council) State of the Beaches 2015–2016 Council amalgamation Best beaches Frazer Beach, Birdie Beach, Budgewoi Wyong Shire Council and Gosford City Council amalgamated to Beach, Lakes Beach, Hargraves Beach, form Central Coast Council on 12 May 2016 as part of the local Jenny Dixon Beach, Lighthouse Beach, government reforms. Results for the Central Coast region will be Gravelly Beach, Soldiers Beach, North reported under the former councils to reflect the sampling and Entrance Beach, The Entrance Beach, Blue laboratory arrangements and management actions during the Bay, Toowoon Bay, Shelly Beach, Blue assessment period. Lagoon and Bateau Bay Beach These beaches had excellent water quality and Overall results for Wyong Shire Council were suitable for swimming almost all of the time. Percentage of sites graded as Good or Very Good: 86% 82% 82% 82% every 2012–13 2013–14 2014–15 2015–16 22 sites week Eighteen of the 22 swimming locations were graded as Very Good or Good in 2015–2016. Ocean beaches October – Good / Very Good Fair 687 March* Poor / Very Poor samples 17 Sixteen of the 17 ocean beaches were graded Very Good: Frazer Beach, Birdie Beach, Budgewoi Beach, Lakes Beach, Hargraves Beach, Jenny Dixon Beach, Gravelly Beach, Soldiers Beach, North Entrance Beach, The Entrance Beach, Blue Bay, Toowoon Bay, Shelly Beach, Blue Lagoon, Lighthouse Beach and Bateau Bay Beach. These beaches were suitable for swimming almost all of the time. Cabbage Tree Bay was graded as Good. Water quality at this site was also of a very high standard and suitable for swimming most of the time. All sampling and laboratory analysis was conducted and fully funded by the former Wyong Shire Council. *All sites are sampled monthly from April to September. See How to Read this Report for explanations of graphs and Beach Suitability Grades. State of the Beaches 2015–2016 5 Central Coast Region – Central Coast Council (former Wyong Shire Council) Estuarine beaches Beach pollution forecasts Beachwatch issues daily pollution forecasts to Good / Very Good enable beachgoers to make informed Fair decisions about where and when to swim. The Poor / Very Poor forecasts are available before 7.30am during 1 the swimming season (October to April) and before 8am between May and September, and The Entrance Channel is located at the mouth of Tuggerah Lake and cover swimming sites in the Sydney, Hunter, was graded as Good. While levels of enterococci were suitable for Central Coast and Illawarra regions. swimming for most of the time, water quality can be susceptible to pollution from outflow from the lake. Swimming should be avoided if Beach pollution forecasts can be accessed via there are signs of stormwater pollution such as discoloured water or the Beachwatch website, mobile website, floating debris. email subscription, Twitter and Facebook.
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