Is the toilet in your home a water-saving type or a high-efficiency type?

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Seeing the question on Daily Question, I happened to look it up – so there are such regulations after all. Dear sea friends, do you know what model your toilet is? Additional information: What changes will \"water-saving sanitary ware\" bring to water conservation in sanitary fixtures? 　　Taking the toilet, which is of greatest concern to consumers, as an example, the new standard classifies water-saving toilets into two categories: standard water-saving toilets and highly water-saving toilets. The standard stipulates that the water consumption of standard water-saving toilets should not exceed 5.0 liters ； The water consumption for the high-efficiency water-saving toilet, in either single or double flow mode, should not exceed 4.0 liters. Before the introduction of the new standards, China’s toilets were governed by the mandatory standard \"Sanitary Ceramics\" (GB 6952—2005). The standard specifies that the water consumption of ordinary toilets should not exceed 9.0 liters, while that of water-saving toilets should not exceed 6.0 liters. “The sanitary ware standards are newly established **standards that draw on the product standards for 8 types of products, with higher water-saving requirements set based on those standards. ” Wang Bo, secretary-general of the National Technical Committee for Standardization of Building Sanitary Ceramics, explained. 　　The new standard not only sets higher water-saving requirements than the old one, but its technical level has also reached international advanced standards. “Taking American standards as an example, the regulations set for water consumption in water-saving and highly water-saving toilets are 6.0 liters and 5.0 liters respectively, while the standards established in our country are even higher. ”Wang Bo said. 　　The establishment of high standards is based on the need to meet functional requirements, namely thorough cleaning. If a single flush is not sufficient and a second flush is required, it actually results in water waste. “Some appliances are advertised as being highly water-saving, claiming to use only 1 liter of water for rinsing, but actual measurements show that this goal cannot be truly achieved. ”Wang Bo said that with current technology, achieving standards of 5.0 liters and 4.0 liters already represents a high level; \"Only with further technological advancements can water conservation be improved even more.\" ” 　　Wang Bo also said that although the new national standards have just been introduced, the industry has been working toward water conservation for many years, and a certain level of technical expertise has already been developed. \"At present, the products of many companies already meet the requirements of the new national standards.\" ” 　　It is said that water used for sanitary fixtures currently accounts for about 80% of the water consumed in households or for daily use. The implementation of the \"Water-saving Sanitary Fixtures\" standard is expected to save more than 30% in water usage in kitchens and bathrooms. “Taking water-saving toilets as an example, assuming each household has 3 members who use the toilet 4 times a day, raising the standard from 6.0 liters to 5.0 liters means that each household can save 12 liters of water per day. Excluding households that do not have such equipment, if we consider 300 million households, this would result in 1.3 billion tons of water being saved each year. ”Wang Bo predicts. -People’s Daily - 2015-06-01