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Analysis of rural drinking water supply status and water quality change trend,Gansu, 2018-2023
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Ya-dong CHEN1, Yi-ke WANG2, Dong-yuan SUN2, Ya-wei SUN2, Yong-hong YANG3
Modern Preventive Medicine | 2024, 51(18) : 3428 - 3433
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Modern Preventive Medicine | 2024, 51(18): 3428-3433
Analysis of rural drinking water supply status and water quality change trend,Gansu, 2018-2023
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Ya-dong CHEN1, Yi-ke WANG2, Dong-yuan SUN2, Ya-wei SUN2, Yong-hong YANG3
Affiliations
  • Rural Drinking Water Safety Management Office, Gansu, Lanzhou 730000, China
Published: 2024-09-25 doi: 10.20043/j.cnki.MPM.202403290
Outline
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Objective

To analyze the monitoring data of rural drinking water quality and water supply project information in Gansu Province, and to provide a basis for the guarantee of rural drinking water health security.

Methods

Based on the water quality monitoring data of rural centralized water supply project in Gansu Province from 2018 to 2023, the water quality index evaluation method was used to compare the differences in water quality, and the chi-square test was used to compare the status of water supply projects in each year.

Results

The results showed that the automatic monitoring system, the proportion of purification and disinfection facilities, and the comprehensive index of water quality in rural centralized water supply project in Gansu Province were improved, and the differences between each year were statistically significant (P<0.05). In the single monitoring index, the total standard rate of total coliforms in microbial index increased from 68.66% to 90.95% from 2018 to 2023, and the turbidity qualified rate in sensory index increased from 92.26% to 98.65%.

Conclusion

The rural drinking water supply situation in Gansu from 2018 to 2023 was improved, and the water quality was on the rise. It is necessary to continue to promote the scale and standardization construction of water supply project to ensure the health safety of drinking water.

Rural  /  Drinking water  /  Water supply situation  /  Water quality
Ya-dong CHEN, Yi-ke WANG, Dong-yuan SUN, Ya-wei SUN, Yong-hong YANG. Analysis of rural drinking water supply status and water quality change trend,Gansu, 2018-2023[J]. Modern Preventive Medicine, 2024 , 51 (18) : 3428 -3433 . DOI: 10.20043/j.cnki.MPM.202403290
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Article Info
doi: 10.20043/j.cnki.MPM.202403290
  • Receive Date：2024-03-15
  • Online Date：2026-03-20
  • Published：2024-09-25
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  • Received：2024-03-15
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    Rural Drinking Water Safety Management Office, Gansu, Lanzhou 730000, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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