In 2022, the rate of nitrate nitrogen (known as NO3-N) levels of groundwater exceeding quality standards in South Korea was reported at **** percent. Within the preceding six years, the rate of **** percent in 2016 has been noted as the highest number.
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Ministry of Climate, Energy and Environment. (August 9, 2024). Rate of nitrate nitrogen levels of groundwater exceeding quality standards in South Korea from 2015 to 2022 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1417274/south-korea-rate-of-nitrate-nitrogen-level-of-groundwater-quality-standards/
Ministry of Climate, Energy and Environment. "Rate of nitrate nitrogen levels of groundwater exceeding quality standards in South Korea from 2015 to 2022 ." Chart. August 9, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1417274/south-korea-rate-of-nitrate-nitrogen-level-of-groundwater-quality-standards/
Ministry of Climate, Energy and Environment. (2024). Rate of nitrate nitrogen levels of groundwater exceeding quality standards in South Korea from 2015 to 2022 . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1417274/south-korea-rate-of-nitrate-nitrogen-level-of-groundwater-quality-standards/
Ministry of Climate, Energy and Environment. "Rate of Nitrate Nitrogen Levels of Groundwater Exceeding Quality Standards in South Korea from 2015 to 2022 ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Aug 2024, /statistics/1417274/south-korea-rate-of-nitrate-nitrogen-level-of-groundwater-quality-standards/
Ministry of Climate, Energy and Environment, Rate of nitrate nitrogen levels of groundwater exceeding quality standards in South Korea from 2015 to 2022 ÌÇÐÄÆƽâ°æ, /statistics/1417274/south-korea-rate-of-nitrate-nitrogen-level-of-groundwater-quality-standards/ (last visited August 04, 2026)
Rate of nitrate nitrogen levels of groundwater exceeding quality standards in South Korea from 2015 to 2022 [Graph], Ministry of Climate, Energy and Environment, August 9, 2024. [Online]. Available: /statistics/1417274/south-korea-rate-of-nitrate-nitrogen-level-of-groundwater-quality-standards/
