| SN | Place | Water type | Ranges | Mean Level | Remarks | References |
| 1 | Mining area of băiţa-Ştei, Bihor, Romania | Well water, | - | 35.5 kbq∙M(−3) | Within the WHO’S values | |
| Spring water | 18.5 kbq∙m(−3) | |||||
| Tap water | 6.9 kbq∙m(−3) | |||||
| 2 | City of Sakarya, Turkey | Well water | 1.98 to 20.80 Bq∙L(−1) | 9.05 Bq∙l(−1) | Within the WHO’S values | |
| Spring water | 0.75 to 59.65 Bq∙l(−1) | 13.78 Bq l(−1) | ||||
| Bottled water | 0.75 to 22.8 Bq∙l(−1) | 5.41 Bq∙l(−1) | ||||
| 3 | City Of Riyadh, Saudi Arabia | Deep wells | 0.34 ± 0.05 to 3.52 ± 0.30 Bq∙l(−1) | 1.01±0.10 Bq∙l(−1) | The levels were within the city Of Riyadh in Saudi Arabia | |
| Shallow wells | 0.72 ± 0.08 to 7.21 ± 0.58 Bq∙l(−1) | 2.74 ± 0.24 Bq∙L(−1) | ||||
| 4 | Fault zone of Balakot & Mansehra, Pakistan | All types of water | 4.99 to 24.52 kbq/m(3) | 15.52 kbq/m(3) |
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| 5 | Eastern São Paulo State, Brazil | One well | - | 374 Bq/dm(3) | Different between two wells | |
| Another well | 1275 Bq/dm(3) | |||||
| 6 | Tbilisi, Georgia | Tap water | 3 - 5 Bq∙L(−1) | - |
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| Thermal water boreholes | 5 - 19 Bq∙L(−1) | - | ||||
| 7 | Zgierz, Ozorków, Stryków and Głowno (cities of Poland) | Deep well water | 1 kbq/m3 to 13 kbq/m3 | - |
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| 8 | Ramsar, Iran | Drinking water | - | Greater than 10 kbq/m(3) | Within normal values | |
| 9 | Kastamonu, Turkey | Water | - | 0.0089 Bq/l | Within the natural limits | |
| 10 | Busan, South Korea | Ground water | 0 to about 300 Bq∙l(−1). | - | Highest and lowest in different places | |
| 11 | Migdonia basin, Greece | Drining water | Upto 170 Bq × L(−1) | - | The level of 50 Bq × L(−1) is exceeded in 23% of water supplies | |
| 12 | Kenya | Ground water | 0.8 +/− 0.5 to 371.7 +/− 33.5 Bq∙L(−1) | - |
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