Treaties
Convention on the Protection and Use of Transboundary Watercourses and International Lakes
Prevention of transboundary water impacts and cooperation.
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- Concluded
- Helsinki, 17 Mar 1992
- In force
- 6 Oct 1996
- Parties
- 62
- Instrument
- Treaty
| State | Signed | Bound | How |
|---|---|---|---|
| Albania | 18 Mar 1992 | 5 Jan 1994 | ratification |
| Austria | 18 Mar 1992 | 25 Jul 1996 | ratification |
| Azerbaijan | — | 3 Aug 2000 | accession |
| Bangladesh | — | 20 Jun 2025 | accession |
| Belarus | — | 29 May 2003 | accession |
| Belgium | 18 Mar 1992 | 8 Nov 2000 | ratification |
| Benin | — | 22 Sep 2026 | accession |
| Bosnia and Herzegovina | — | 3 Dec 2009 | accession |
| Botswana | — | 20 Jan 2026 | accession |
| Bulgaria | 18 Mar 1992 | 28 Oct 2003 | ratification |
| Cameroon | — | 1 Nov 2022 | accession |
| Chad | — | 22 Feb 2018 | accession |
| Croatia | — | 8 Jul 1996 | accession |
| Czech Republic | — | 12 Jun 2000 | accession |
| Côte d'Ivoire | — | 10 Jul 2024 | accession |
| Denmark | 18 Mar 1992 | 28 May 1997 | approval |
| Estonia | 18 Mar 1992 | 16 Jun 1995 | ratification |
| European Union | 18 Mar 1992 | 14 Sep 1995 | approval |
| Finland | 18 Mar 1992 | 21 Feb 1996 | acceptance |
| France | 18 Mar 1992 | 30 Jun 1998 | approval |
| Gambia | — | 17 Jul 2023 | accession |
| Germany | 18 Mar 1992 | 30 Jan 1995 | ratification |
| Ghana | — | 22 Jun 2020 | accession |
| Greece | 18 Mar 1992 | 6 Sep 1996 | ratification |
| Guinea-Bissau | — | 14 Jun 2021 | accession |
| Hungary | 18 Mar 1992 | 2 Sep 1994 | approval |
| Iraq | — | 24 Mar 2023 | accession |
| Italy | 18 Mar 1992 | 23 May 1996 | ratification |
| Jordan | — | 6 Feb 2026 | accession |
| Kazakhstan | — | 11 Jan 2001 | accession |
| Latvia | 18 Mar 1992 | 10 Dec 1996 | ratification |
| Liechtenstein | — | 19 Nov 1997 | accession |
| Lithuania | 18 Mar 1992 | 28 Apr 2000 | ratification |
| Luxembourg | 20 May 1992 | 7 Jun 1994 | ratification |
| Malawi | — | 26 Aug 2026 | accession |
| Mauritania | — | 29 Oct 2026 | accession |
| Montenegro | — | 23 Jun 2014 | accession |
| Namibia | — | 8 Jun 2023 | accession |
| Netherlands (Kingdom of the) | 18 Mar 1992 | 14 Mar 1995 | acceptance |
| Nigeria | — | 22 Mar 2023 | accession |
| North Macedonia | — | 28 Jul 2015 | accession |
| Norway | 18 Sep 1992 | 1 Apr 1993 | approval |
| Panama | — | 6 Jul 2023 | accession |
| Poland | 18 Mar 1992 | 15 Mar 2000 | ratification |
| Portugal | 9 Jun 1992 | 9 Dec 1994 | ratification |
| Republic of Moldova | — | 4 Jan 1994 | accession |
| Romania | 18 Mar 1992 | 31 May 1995 | ratification |
| Russian Federation | 18 Mar 1992 | 2 Nov 1993 | acceptance |
| Senegal | — | 31 Aug 2018 | accession |
| Serbia | — | 27 Aug 2010 | accession |
| Sierra Leone | — | 26 Sep 2025 | accession |
| Slovakia | — | 7 Jul 1999 | accession |
| Slovenia | — | 13 Apr 1999 | accession |
| Spain | 18 Mar 1992 | 16 Feb 2000 | ratification |
| Sweden | 18 Mar 1992 | 5 Aug 1993 | ratification |
| Switzerland | 18 Mar 1992 | 23 May 1995 | ratification |
| Togo | — | 28 Sep 2021 | accession |
| Turkmenistan | — | 29 Aug 2012 | accession |
| Ukraine | — | 8 Oct 1999 | accession |
| United Kingdom of Great Britain and Northern Ireland | 18 Mar 1992 | — | Signature only |
| Uzbekistan | — | 4 Sep 2007 | accession |
| Zambia | — | 4 Sep 2024 | accession |
| Zimbabwe | — | 19 Jul 2024 | accession |
How do we know? Imported from the source; not yet checked by a person.
UN Treaty Collection published this; the platform retrieved it 9 November 2026. Imported from the source; not yet checked by a person.
Source
- Source
- UN Treaty Collection
- Original
- https://treaties.un.org/Pages/ViewDetails.aspx?src=TREATY&clang=_en&mtdsg_no=XXVII-5&chapter=27 ↗
- Licence
- Public depositary record
- Retrieved
- 9 November 2026
Version
- Status
- Active
- Valid from
- 6 October 1996
- Reviewed
- Imported from the source; not yet checked by a person.
Authority
- Record type
- Treaty
- Domains
- treaties, water-law
Where this comes from
- Source
- UN Treaty Collection ↗
- Licence
- Public depositary record
- Retrieved
- 9 Nov 2026
- Reviewed
- Unreviewed