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OKO Water & Safety Chart by Country & Region

 

Drinking Water Around the World
With a large variety of contaminants and waterborne diseases in various bodies of water, water conditions vary greatly from source to source. It is virtually impossible to determine what is in a body of water without proper testing of each water source. Even though running and tap water are generally considered cleaner and safer to drink, all water, whether piped or from open sources can potentially be contaminated with harmful substances. Personal judgment and local information should always play an active and key role in selecting a water source.

About Our Device & Rating System
ÖKO BPA free water bottles are portable devices which may be used worldwide to drink water from billions of sources. Portable water bottles are not bound by pressure regulators, temperature gauges and water sources around the world do not generally carry a bacterial saturation level and testing information. All such data is in fact required in order to determine the true performance level of a filtration bottle and the safety level of the water being consumed.

Although our products have been successfully tested for a variety of waterborne microbial agents such as cryptosporidium, giardia lamblia, e-coli, and many other contaminants, we feel strongly that making specific claims misleads users into drinking potentially unsafe waters for reasons stated above. Even though similar products make such claims, we base our rating system strictly on the “availability of safe water” in each country using the latest data gathered from world’s most reliable sources.

If you live in or are thinking of visiting any of the regions or countries listed on the charts below, please consider the recommended ÖKO filter for the water conditions in that region.

Please note that Biome offers L2 filters only

 WARNING : DO NOT USE ÖKO FILTERS WITH MICROBIOLOGICALLY TAINTED WATER OR WATER FROM UNKNOWN SOURCES.

Available “Safe” Water
(Relative to % of population)
ÖKO RECOMMENDATIONSSUGGESTED ÖKO FILTER
100-99% Generally safe and regularly monitored piped water in cities and rural areas. Water taste, odor, chlorine and mineral levels may be variable. ÖKO L1 filters are recommended. L1
98-96% Mostly safe piped water in cities and/or rural regions. Conditions may vary from area to area. ÖKO L2 filters are recommended. L2
95-93% Questionable water quality. Even though locals may be used to piped waters, travelers must use caution and be selective with their choice of water source. ÖKO L2 filters are recommended. L2*
92-89% Water deemed generally unsafe for drinking. Biological purification highly recommended. ÖKO custom L3 filters may be available in some countries. In some cases a combination of water treatment and ÖKO L2 filter may be used. L3
88% & Lower *Not Rated for ÖKO products. Does not meet potable water standards for filtration. All water used should be adequately treated before drinking. NR*

INTERNATIONAL “IMPROVED” WATER CONDITIONS IN URBAN & RURAL SETTINGS
Country Region Urban (CITY) Improved 
Municipal
"Tap Water"
Suggested ÖKO Filter   Rural Improved"Pipe Water" Suggested ÖKO Filter
Afghanistan Middle South Asia 78% NR     NR
Albania Western Europe 96% L2   98% L2
Algeria Northern Africa 88% NR   80% NR
American Somoa Melanesia and Micronesia-Polynesia 100% L1   100% L1
Andorra Western Europe 100% L1   97% L2
Angola Sub-Saharan Africa 60% NR   38% NR
Anguilla Caribbean 60% NR     -
Antigua and Barbuda Caribbean 92% L3     -
Argentina Temperate South America 98% L2   80% NR
Armenia Middle East Asia 98% L2   93% L2
Aruba Caribbean 99% L1   100% L1
Australia Main Oceania 100% L1   100% L1
Austria Western Europe 100% L1   100% L1
Azerbaijan Middle South Asia 88% NR   71% NR
Bahamas Caribbean 98% L2   86% NR
Bahrain Western South Asia 100% L1     -
Bangladesh Middle South Asia 85% NR   70% NR
Barbados Caribbean 100% L1   100% L1
Belarus Eastern Europe 100% L1   99% L1
Belgium Western Europe 100% L1   100% L1
Belize Central America 99% L1   100% L1
Benin Sub-Saharan Africa 84% NR   69% NR
Bermuda North America   -     -
Bhutan Middle South Asia 99% L1   88% NR
Bolivia Tropical South America 95% L2   68% NR
Bosnia and Herzegovina Eastern Europe 100% L1   98% L2
Botswana Southern Africa 99% L1   90% L3
Brazil Tropical South America 99% L1   84% NR
British Virgin Islands Caribbean 100% L1   100% L1
Brunei Eastern South Asia 100% L1   95% L2
Bulgaria Eastern Europe 100% L1   100% L1
Burkina Faso Sub-Saharan Africa 94% L2   54% NR
Burundi Sub-Saharan Africa 92% L3   77% NR
Cambodia Eastern South Asia 64% NR   35% NR
Cameroon Sub-Saharan Africa 92% L3   51% NR
Canada North America 100% L1   99% L1
Cape Verde Sub-Saharan Africa 86% NR   73% NR
Cayman Islands Caribbean 100% L1     -
Chad Sub-Saharan Africa 41% NR   43% NR
Chile Temperate South America 96% L2     -
China East Asia 98% L2   82% NR
Colombia Tropical South America 99% L1   73% NR
Comoros Sub-Saharan Africa 91% L3   97% L2
Congo Sub-Saharan Africa 84% NR   27% NR
Republic of the Congo Sub-Saharan Africa 82% NR   29% NR
Cook Island Melanesia and Micronesia-Polynesia 100% L1     -
Costa Rica Central America 100% L1   91% L3
Côte d'Ivoire Sub-Saharan Africa 93% L2   68% NR
Croatia Eastern Europe 99% L1   98% L2
Cuba Caribbean 96% L2   89% L3
Cyprus Western South Asia 100% L1   100% L1
Czech Republic Eastern Europe 100% L1   100% L1
Denmark Western Europe 100% L1   100% L1
Djibouti Sub-Saharan Africa 98% L2   52% NR
Dominica Caribbean 100% L1   90% L3
Dominican Republic Caribbean 87% NR   84% NR
East Timor Eastern South Asia 77% NR   56% NR
Ecuador Tropical South America 97% L2   88% NR
Egypt Northern Africa 100% L1   98% L2B
El Salvador Central America 94% L2   70% NR
Equatorial Guinea Sub-Saharan Africa 89% L3   61% NR
Eritrea Sub-Saharan Africa 74% NR   57% NR
Estonia Eastern Europe 99% L1   97% L2
Ethiopia Sub-Saharan Africa 98% L2   26% NR
Fiji Melanesia and Micronesia-Polynesia 43% NR   51% NR
Finland Western Europe 100% L1   100% L1
France Western Europe 100% L1   100% L1
French Guinea Tropical South America 88% NR   71% NR
French Polynesia Melanesia and Micronesia-Polynesia 100% L1   100% L1
Gabon Sub-Saharan Africa 95% L2   41% NR
Gambia Sub-Saharan Africa 96% L2   86% NR
Gaza Strip Western South Asia 94% L2   88% NR
Georgia Middle South Asia 100% L1   96% L2
Germany Western Europe 100% L1   100% L1
Ghana Sub-Saharan Africa 90% L3   74% NR
Greece Eastern Europe 100% L1   99% L1
Grenada Caribbean 97% L2   93% L2
Guadeloupe Caribbean 98% L2   94% L2
Guam Melanesia and Micronesia-Polynesia 100% L1   100% L1
Guatemala Central America 98% L2   90% L3
Guinea Sub-Saharan Africa 86% NR   61% NR
Guinea Bissau Sub-Saharan Africa 83% NR   51% NR
Guyana Tropical South America 98% L2   93% L2
Haiti Caribbean 71% NR   55% NR
Honduras Central America 95% L2   77% NR
Hong Kong East Asia 100% L1   96% L2
Hungary Eastern Europe 100% L1   100% L1
Iceland Western Europe 100% L1   98% L2
India Middle South Asia 96% L2   84% NR
Indonesia Eastern South Asia 89% L3   71% NR
Iran (Islamic Republic of) Middle South Asia 99% L1   94% L2
Iraq Western South Asia 91% L3   55% NR
Ireland Western Europe 100% L1   100% L1
Israel Western South Asia 100% L1   100% L1
Italy Western Europe 100% L1   100% L1
Jamaica Caribbean 98% L2   89% L3
Japan East Asia 100% L1   100% L1
Jordan Western South Asia 98% L2   91% L3
Kazakhstan Middle South Asia 99% L1   90% L3
Kenya Sub-Saharan Africa 83% NR   52% NR
Kiribati Melanesia and Micronesia-Polynesia 77% NR   53% NR
People's Republic of Korea (N.Korea) East Asia 97% L2   71% NR
Republic of Korea (S.Korea) East Asia 100% L1   100% L1
Kuwait Western South Asia 99% L1   100% L1
Kyrgyzstan Middle South Asia 99% L1   85% NR
Lao People's Democratic Republic Eastern South Asia 72% NR   51% NR
Latvia Eastern Europe 100% L1   96% L2
Lebanon Western South Asia 100% L1   100% L1
Lesotho Southern Africa 97% L2   81% NR
Liberia Sub-Saharan Africa 79% NR   51% NR
Liechtenstein Western Europe   -     -
Lithuania Eastern Europe   -     -
Luxembourg Western Europe 100% L1   99% L1
Macau East Asia   -     -
Madagascar African Coast 71% NR   29% NR
Macedonia TFYR Europe 100% L1   99% L1
Malawi Sub-Saharan Africa 98% L2   68% NR
Malaysia Eastern South Asia 100% L1   99% L1
Maldives Middle South America 99% L1   86% NR
Mali Sub-Saharan Africa 81% NR   44% NR
Malta Western Europe 100% L1   99% L1
Marshall Islands Melanesia and Micronesia-Polynesia 92% L3   98% L2
Martinique Caribbean   -     -
Mauritania Sub-Saharan Africa 59% NR   44% NR
Mauritius Sub-Saharan Africa 100% L1   100% L1
Mexico North America 96% L2   87% NR
Micronesia (Federated States of) Melanesia and Micronesia-Polynesia 95% L2   94% L2
Moldova Eastern Europe 97% L2   49% NR
Monaco Western Europe 100% L1   100% L1
Montenegro Europe 100% L1   96% L2
Montserrat Caribbean 100% L1   100% L1
Morocco Northern Africa 98% L2   60% NR
Mozambique Sub-Saharan Africa 77% NR   29% NR
Myanmar Eastern South Asia 75% NR   69% NR
Namibia Southern Africa 99% L1   88% NR
Nauru Melanesia and Micronesia-Polynesia   -     -
Nepal Middle South Asia 93% L3   87% NR
Netherlands Western Europe 100% L1   100% L1
Netherlands Antilles Caribbean   -     -
New Caledonia Melanesia and Micronesia-Polynesia   -     -
New Zealand Main Oceania 100% L1   100% L1
Nicaragua Central America 98% L2   68% NR
Niger Sub-Saharan Africa 96% L2   39% NR
Nigeria Sub-Saharan Africa 75% NR   42% NR
Niue Melanesia and Micronesia-Polynesia 100% L1   100% L1
Northern Mariana Islands Melanesia and Micronesia-Polynesia 98% L2   97% L2
Norway Western Europe 100% L1   100% L1
Oman Western South Asia 92% L3   77% NR
Pakistan Middle South Asia 95% L2   87% NR
Palau Melanesia and Micronesia-Polynesia 79% NR   94% L2
Palestinian 
(Occupied Territory)
Middle East 91% L3   91% L3
Panama Central America 97% L2   83% NR
Papua New Guinea Melanesia and Micronesia-Polynesia 87% NR   33% NR
Paraguay Tropical South America 99% L1   66% NR
Peru Tropical South America 90% L3   61% NR
Philippines Eastern South Asia 93% L2   87% NR
Pitcairn Melanesia and Micronesia-Polynesia   -     -
Poland Eastern Europe 100% L1   100% L1
Portugal Western Europe 99% L1   100% L1
Puerto Rico Caribbean   -   - -
Qatar Middle East 100% L1   99% L1
Reunion Sub-Saharan Africa   -     -
Romania Eastern Europe 91% L3   16% NR
Russian Federation Eastern Europe 98% L2   89% L3
Rwanda Sub-Saharan Africa 77% NR   62% NR
Saint Helena Southern Africa   -   0% -
Saint Kitts and Nevis Caribbean 99% L1   99% L1
Saint Lucia Caribbean 98% L2   98% L2
Saint Vincent and the Grenadines Caribbean   -   93% L2
Samoa Melanesia and Micronesia-Polynesia 90% L3   87% NR
San Marino Western Europe   -     -
Sao Tome and Principe Sub-Saharan Africa 89% L3   89% L3
Saudi Arabia Western South Asia 97% L2     -
Senegal Sub-Saharan Africa 92% L3   52% NR
Seychelles Sub-Saharan Africa 100% L1   75% NR
Sierra Leone Sub-Saharan Africa 75% NR   46% NR
Singapore Eastern South Asia 100% L1   100% L1
Slovakia Eastern Europe 100% L1   100% L1
Slovenia Eastern Europe 100% L1   99% L1
Solomon Islands Melanesia and Micronesia-Polynesia 94% L2   65% NR
Somalia Sub-Saharan Africa 67% NR   9% NR
South Africa Southern Africa 99% L1   73% NR
Spain Western Europe 99% L1   99% L1
Sri Lanka Middle South Asia 98% L2   74% NR
Sudan Sub-Saharan Africa 78% NR   64% NR
Suriname Tropical South America 98% L2   73% NR
Swaziland Southern Africa 92% L3   61% NR
Sweden Western Europe 100% L1   100% L1
Switzerland Western Europe 100% L1   100% L1
Syrian Arab Republic Western South Asia 94% L2   84% NR
Taiwan East Asia   -     -
Tajikistan Middle South Asia 94% L2   61% NR
Tanzania Sub-Saharan Africa 85% NR   49% NR
Thailand Eastern South Asia 99% L1   98% L2
Togo Sub-Saharan Africa 87% NR   41% NR
Tokelau Melanesia and Micronesia-Polynesia   -   84% NR
Tonga Melanesia and Micronesia-Polynesia 100% L1   100% L1
Trinidad and Tobago Caribbean 98% L2   100% L1
Tunisia Northern Africa 99% L1   84% NR
Turkey Western South Asia 100% L1   96% L2
Turkmenistan Middle South Asia 93% L2   54% NR
Turks and Caicos Islands Caribbean 98% L2   98% L2
Tuvalu Melanesia and Micronesia-Polynesia 100% L1   99% L1
Uganda Sub-Saharan Africa 91% L3   64% NR
Ukraine Eastern Europe 98% L2   97% L2
United Arab Emirates Western South Asia   L1   100% L1
United Kingdom Western Europe 100% L1   100% L1
United States of America North America 100% L1   100% L1
Uruguay Temperate South America 100% L1   100% L1
US Virgin Islands Caribbean 100% L1   100% L1
Uzbekistan Middle South Asia 98% L2   81% NR
Vanuatu Melanesia and Micronesia-Polynesia 86% NR   52% NR
Venezuela Tropical South America 85% NR   70% NR
Vietnam Eastern South Asia 99% L1   92% L3
Wallis and Futuna Islands Melanesia and Micronesia-Polynesia   -   100% L1
Yemen Western South Asia 72% NR   57% NR
Zambia Sub-Saharan Africa 99% L1   72% NR
Zimbabwe Sub-Saharan Africa 96% L2   78% NR

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