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Release date:2019-11-11Browse times: Size:[ big middle small ]

The issue of rural drinking water is the most concerned, the most direct and most realistic issue for the interests of the rural residents. Whether to maintain the health and life, or to improve the standard and quality of living, the rural people have higher requirements and more expectations for the safety guarantee of drinking water.
In 2019, the rural drinking water standardization project was listed among the top ten provincial and municipal "people's livelihood projects", which aims to benefit another 100,000 people. By the end of October, the project had benefited 104,400 people, with a total investment of 230 million yuan. The task has been completed two months ahead, and the working plan of 2020 has been drafted in advance. 

A group of joint-village water supply projects launched

The Wang'ai area of the Chalu Town is located in the lower section of Wang'ai  Hill, on the southwest of Ninghai County. As it is located in the mountainous area with the high altitude, the area can not be connected with the large water supply network of the west Ninghai area, and thus the drinking water issue has long been a problem for the villagers. In order to solve this problem, Ninghai County Water Conservancy Bureau will start the joint-village water supply project in the Wang'ai area.

According to the plan, the project will mainly aim to expand the coverage of the rural population by the central water supply station, to reduce the number of village-level water supply stations, to strengthen the standardization and reform of the village-level water supply stations, and to improve the purification and disinfection facilities. 14 village-level water supply stations have been consolidated and the Wangai central water supply station has been built, thus realizing the unified water supply for 4,947 rural residents of the Dingfeng Village, the Quanfeng Village, the Gaotang Village, the Lvjia Village and the Shangwuji Village. As is known, the water supply guarantee rate of the villages has reached 95% and the acceptable rate of water quality has reached 90%. The county-level management mechanism has been fully implemented and the same drinking water quality for urban and rural areas has been realized. 
Another example is the Jin'e area at the upstream part of the Hengxi Reservoir of the Yinzhou District. The good-quality drinking water, just the same as that of the urban area, is now available to the 12,000 people of the four villages of the area. The area used to have the decentralized water supply system, and the water from the pools or the reservoir would be brought to the corresponding cisterns and after simple filtration, it would be supplied to the rural households. However, with the influence of the climate, the water source, the facilities and the management problems, the water quantity and quality cannot be guaranteed. The water supply during the peak time of water use is insufficient, especially during the dry years. 
To address the problem, Yinzhou Water Conservancy Bureau and the Tangxi Town conducted a joint survey of all the reservoirs, pools and cisterns, and finally set up a centralized water supply system by collecting the water from the reservoirs and pols to the newly built water station for filtration and disinfection treatment before distributing it to the existing or newly built water pools for the rural residents as drinking water. It is worth mentioning that the pools and reservoirs of the villages are the main water sources for the supply and the Hengxi Reservoir serves as a backup water source for dry years. Since the completion of the new water supply station in 2016, there has been no shortage of water in dry years.
Measures to build version 2.0 of rural water stations
The rural drinking water standardization action is an upgraded version of the "drinking water project for tens of millions of farmers" as well as a key project of the implementation of rural revitalization strategy. The project was launched in 2005, and by the end of 2018, Ningbo has invested a total of 1.9 billion yuan in the respect. With the updating of more than 2000 sets of purification and disinfection facilities, the laying of over 20,000 kilometers of pipelines, and the building of about 1,000 small-scale water projects, Ningbo has solved the problem of drinking water insecurity for 2.8 million farmers.
However, dry period at the end of 2014 exposed the problems of insufficient water supply and low water standardization rate because of the geographical and construction conditions despite the fact that many mountainous and coastal villages how have drinking water. To solve the problem, from 2015 to 2016, Ningbo focused on the safety improvement of the projects under construction, taking a solid step from "having drinking water" to "drinking good water" in gradually improving the water supply guarantee rate and water quality.
"At the end of 2018, Ningbo had a total rural population of more than 4.8 million people. Then the three kinds of water supply systems, namely the urban water plants, the township water plants and the village-level water stations, covered 56%, 33% and 11% of the rural population, respectively". In accordance with the general request of "solving the problem of drinking water insecurity before the realization of the well-off society" by President Xi Jinping, the municipal water conservancy departments conducted in 2018 a survey on the rural drinking water project, and found that the water supply situation of urban water plants and township water plants was generally good, but there were still problems with water supply at village-level water stations, said a person in charge from Ningbo Water Conservancy Bureau. 
First of all, the scale of village-level water stations is not large enough. Influenced by the topographic features, many places have adopted the water supply pattern of one station for one village and several spots for one village, and a number of scattered and small village-level water stations. These stations supply only about 10% of the city's rural population, but they account for over 90% of the total water supply projects in the rural areas. So it is urgent that these small stations be consolidated. 
Then, the construction of the village-level water stations is not up to standard. On the one hand, many village-level water stations are inadequate in the purification and disinfection capacity and cannot meet the high-standard water supply demand as they were usually built many years ago. On the other hand, as some water stations have the streams and wells as their water sources, there will be shortage of water especially during the dry seasons. 
At last, the village-level water stations are not sufficient in terms of management and maintenance. The stations are usually managed by the villages concerned, so there are such problems as the unprofessional daily management, low management capacity and inadequate maintenance and protection, thus posing some hazard for the water supply security.  
Innovating professional management and solving maintenance difficulties
It is the municipal government's solemn pledge to the rural population of Ningbo to enable the rural residents to have clean and safe drinking water. In 2019 and 2020, Ningbo will implement the drinking water standardization job in the rural areas. By 2020, a new water supply pattern will take shape, with the urban pipe network as the basis, the local town or township network as the support and the village-level water stations as the supplement. 
"Over the past half year, the districts and counties have explored their own work experience." said Zhu Jiangping, Deputy Director of Ningbo Management Center of Water Supply Facilities. 
To guarantee the clean drinking water for the rural residents on the mountainous areas, Haishu District has made good use of the mules and horses. For example, to complete the construction of the independent village-level water stations of the mountain and forest areas of the Siming Mountain, where it is impossible to transport the building materials by vehicles, they hired some mules and horses to carry the materials. One mule can carry over 250 kilograms of stone at one time and it can have about 20 round trips per day, transporting much more than by manpower. 
To achieve the "high quality" standard of the rural drinking water, Fenghua District installed the automatic ultrafiltration water purification equipment, which helped to realize the automatic control of water inletting, filtration, back-flushing, medicine adding and water outflowing, to greatly reduce the maintenance difficulty and period of the equipment, and to ensure that the water quality meet the demand of the 106 indicators. In May 2019, the drinking water standardization project of the Xiejieshan Village of Dayan Town of Fenghua District was completed and put into use, benefiting nearly a thousand people.
The issue of rural drinking water safety is surely a complex and difficult task as the water conditions of different places are quite different. The shortage of rural labor is another problem. At present, Ningbo is trying to solve the follow-up supervision problem for the rural drinking water projects through the county-level management mechanism. Yuyao County established the new "four ones" standard pattern for the rural drinking water, namely "one map" for regional layout, "one integration" for construction, "one account" for water maintenance and "one network" for security guarantee. It took the lead to implement the county-level management through the assets transfer and to build up the price forming, water fee collection and water fee use mechanism of the rural drinking water. 
In addition, to strengthen its supervision, Ningbo Management Center of Water Supply Facilities has also entrusted a third party to carry out the inspection work. This year, it has completed the inspection of 43 water stations in such seven districts or counties as Haishu District, Fenghua District and Ninghai County, issued three city-level notices and reported eight problems for rectification, effectively strengthening the supervision and management of the upgraded rural drinking water equipment.