Lighthouse Beach Wastewater Treatment Plant, Port Macquarie, New South Wales

Lighthouse Beach wastewater treatment plant is located in Port Macquarie, New South Wales, Australia, near the Port Macquarie Golf Club. The plant serves a population of approximately 8,806 people and is classified as a small to medium agglomeration under Australian wastewater management frameworks. As an operational facility, it is subject to state-level environmental regulations administered by the New South Wales Environment Protection Authority (EPA). Australian treatment standards typically require secondary treatment for coastal discharges, with potential additional nutrient removal in sensitive areas. The plant's designed capacity is 1.00 megaliters per day, indicating it is sized for the local community's needs. The treated effluent from Lighthouse Beach likely discharges into the Hastings River system or directly to coastal waters, given its proximity to the Tasman Sea. The receiving environment supports diverse marine and estuarine habitats, including seagrass beds and fish nurseries, which are sensitive to nutrient loads and require careful management of wastewater discharges.

The plant is situated near the coast of the Tasman Sea, within the Hastings River catchment. The Hastings River flows into the Pacific Ocean at Port Macquarie, supporting estuarine ecosystems that include mangrove forests and seagrass meadows. These habitats are important for fish breeding and migratory bird species. Discharges must be managed to protect water quality and aquatic life in this coastal environment.