Public toilets in Happy Valley vary in cleanliness based on user reviews. The Happy Valley Reservoir Western Public Toilet is exceptionally clean, with visitors raving about its spotless, brand-new facilities and well-maintained surroundings free of litter or vandalism—ideal for a pleasant stop during walks or picnics. In contrast, the Happy Valley Reservoir Shoreline Loop Public Toilet is generally well-maintained but faces issues like strong odours, poor ventilation, and lack of running water or soap, raising hygiene concerns, especially during peak times with overcrowding. Similarly, the Happy Valley Reservoir East Public Toilet often receives complaints about being dirty, with missing soap and toilet paper, vandalism, and broken fixtures, making it less appealing. Overall, for the cleanest option in Happy Valley, head to the western facility; always check the list for the latest pros and cons to plan your visit accordingly in this South Australian suburb.