Ulsan Waterworks Headquarters, June Water Quality Inspection Results

Ulsan tap water has been found to be very 'safe,' meeting all water quality standards.


The Ulsan Waterworks Headquarters announced in June that the water quality test results of Ulsan tap water comply with both South Korea's drinking water quality standards and the World Health Organization (WHO) water quality standards, indicating a very safe level.


The water quality testing facilities include the Hoeya and Cheonsang Water Purification Plants, with 60 test items.


Detailed test results show that △ four microbial items such as general bacteria, total coliform group, and Escherichia coli △ twelve harmful inorganic substances including ammonia nitrogen, nitrate nitrogen, fluoride, heavy metals, and boron were all 'not detected or below standard levels.'


Additionally, △ seventeen organic substances harmful to health such as phenol, benzene, and carbon tetrachloride were 'not detected,' and △ eleven disinfectants and disinfection by-products such as residual chlorine, total trihalomethanes, and chloroform were measured as 'not detected or below standard levels.'


Along with this, △ sixteen aesthetic impact substances such as hardness, odor, taste, color, and turbidity were investigated as 'not detected, suitable, or below standard levels.'


Furthermore, water quality tests conducted on a total of 108 general household faucets selected based on the population served by each district and 6 faucets with aging pipes showed that residual chlorine was at an appropriate level, and all points met water quality standards.


A representative from the Waterworks Headquarters stated, “Based on regular water quality test results, the tap water supplied from the purification plants to each household is much lower than the drinking water quality standards, so it is safe and clean to drink with confidence.”


The Ulsan Waterworks Headquarters is implementing the 'Our Home Tap Water Safety Confirmation System' to ensure the safe use of tap water directly related to citizens' health and to prevent public anxiety.



The Tap Water Safety Confirmation System allows citizens to apply for free water quality testing through the Ulsan Waterworks Headquarters website or the Mulsarang website.

Ulsan City Hall.

Ulsan City Hall.

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This content was produced with the assistance of AI translation services.

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