At present and under planning, it is the largest in Yuzhong District. The present situation of public toilets in the nine districts of Chongqing's main city is briefly described as follows. (1) There are a total of 86 public toilets/kloc-0 in the planning area of Yuzhong District (excluding public toilets in social units), with a total construction area of 12606m. Among them, male squatting position 1285, and the ratio of male to female squatting position is 1: 0.84. Among all public toilets, there are Class I public toilets 10 (Bayi Road, Xiaqingnian Road, Lianglukou Vegetable Market, Cultural Palace Lane, Juxing Village, Dongshuimen Changbin Road, etc.). ), accounting for 5.38%; Secondary public toilets 4 1 seat, accounting for 22.04%; There are 49 third-class public toilets, accounting for 26.34%, and 86 fourth-class public toilets, accounting for 46.24%. The existing public toilets have a population of 1.8 seats/10,000 people, a construction area of 1.2m 2/ 10,000 people, and 23 squatting places (considering the floating population); According to the built-up area, 10 seats /km2, the building area is 700㎡/k㎡ /km2, and the squatting position is 130 seats/km2. There is no manure treatment plant in this area, and the manure in this area is transported to Qilong manure treatment plant, which is eight kilometers away from Banan District, for treatment. (2) The quantity and quality of existing public toilets in Nan 'an District (including Economic Development Zone) can't meet the requirements. There are 152 public toilets in Nan 'an District, all of which are flush toilets. Among all public toilets, 7 are Class I public toilets, accounting for 4.61%; 29 second-class public toilets, accounting for19.08%; There are 57 third-class public toilets, accounting for 37.5%, and 59 other general public toilets, accounting for 38.82%. The standard of existing public toilets is generally low, the proportion of Class I and Class II public toilets is small, and some places even have dry toilets. There are 838 septic tanks and biogas digesters in Nan 'an District, with a volume of 23,897 cubic meters, including biogas digesters 145, 539 1 cubic meter, closed anaerobic tanks 1 seat, 600 cubic meters, and 649 three-room septic tanks 14445 cubic meter. The harmless treatment capacity of feces reaches 797 t/d, and the daily output of feces in the whole region is 611t. At present, there are three dung sucking vehicles, and all the dung is transported to Longjing Bay dung treatment plant in Huangjueya, Nan 'an District. The sewage system and sewage treatment plant in the main city will soon be completed and put into use, and most public toilets should not be equipped with sewage treatment facilities such as septic tanks. With the improvement of drainage facilities in the main city, Huangjueya manure treatment plant will reduce the treatment scale and tend to be eliminated. (3) There are public toilets 108 in the planning area of Jiangbei District managed by the sanitation department. Among all public toilets, there are 3 Class I public toilets, accounting for 2.78%, 2 Class II public toilets 13, accounting for 12.04%, 3 Class III public toilets 18, accounting for 16.67%, and 74 public toilets below Class III, accounting for 68.52%. The existing public toilets are mainly distributed in Guanyinqiao area and Wulidian area where commercial houses are concentrated, and there are few new residential areas and urban-rural fringe areas. There are 3 dung suction vehicles in Jiangbei District, and the dung treatment plant 1 seat is located in Longtou Temple, Longxi Town, Yubei District, covering an area of 1.40㎡, and is treated by anaerobic organisms. It mainly deals with old public toilet feces and some public toilet feces that have not reached the urban drainage network. (4) There are 95 public toilets in Shapingba District, with a total construction area of 5,497 ㎡, with a total of 1 127 squatting positions (including 575 male squatting positions). Among all public toilets, Class I and Class II public toilets 1 1 seat, each accounting for11.58%; There are 39 third-class public toilets, accounting for 4 1.05%, and the other 34 public toilets are not classified. According to the current population, there are 3.0 public toilets/10,000 people, with a construction area of 175.47 m2/ 10,000 people and 39.64 squatting places/10,000 people. According to the current built-up area, they are 6.37/km2, with a building area of 373. 16m2/km and a squatting position of 84.29/km2. There are/kloc-0 dung suction vehicle and/kloc-0 dung treatment plant in the area, covering an area of about 550m2, with a processing capacity of 1 .200m3 and a daily processing capacity of 40t. Anaerobic biological treatment is adopted, mainly to treat old public toilets and some public toilets that do not reach the urban drainage network. (5) There are 64 public toilets in Banan District of Banan District, among which there are 24 public toilets in Lijiatuo Group, with dung suction vehicles 1 vehicle, only 1 seat for first-class public toilets and 26 second-class public toilets, accounting for 40.63%; There are 7 third-class public toilets, accounting for 10.94%, and the rest are general public toilets and dry toilets *. Qilong Village Waste Treatment Plant is located eight kilometers away, which mainly carries out anaerobic treatment on the waste of old public toilets and public toilets that have not reached the sewage in some cities. However, with the development of society and the continuous transformation of old public toilets, the ruins area has recently become the land for urban construction and development. (6) There are 69 public toilets built and managed by the sanitation department in Kowloon garbage area, with 870 squatting places and 2 toilets a year. Among them, the number of Class I, Class II and Class III public toilets is 7, 10 and 13 respectively. In addition, most of the public toilets managed by social units belong to general flush toilets and dry toilets. Most of them have been built for a long time, coupled with poor management and poor conditions, many public toilets have been abandoned. (7) There are 27 public toilets built and managed by the sanitation department of Dadukou City, dadukou district, with dung sucking vehicles 1 vehicle; In addition, Chongqing Iron and Steel Community has 74 public toilets and 7 self-provided sanitation vehicles. Most of the existing public toilets are equipped with septic tanks, and the feces are discharged into the municipal sewage pipeline after treatment, but there are still a few public toilets that are directly discharged. (8) There are about 33 public toilets in Yubei District, including Longxi Town Public Toilet 13. Among all public toilets, there are 7 Class I public toilets, accounting for 21.21%; There are 2/kloc-0 public toilets of Class II, accounting for 63.64%, and 5 public toilets below Class III, accounting for 15. 1.5%. (9) Beibei District Beibei District has about 42 public toilets, most of which were built in the 1970s. There are 3 first-class public toilets, 2 second-class public toilets 13, and the rest are toilets below level 3. The distribution of public toilets in this area is not only unreasonable, but also the facilities are outdated and in urgent need of renovation. (10) There are about 2 1 public toilets in the High-tech Zone, which are more than those newly built in recent years. However, Class II and III public toilets are the main ones, which do not match the environment of the High-tech Zone. Among them, there are 2 first-class public toilets, accounting for 9.52%, 6 second-class public toilets, accounting for 28.57%, and the rest are public toilets below level 3. Reference: /2006/ Toilet/