Risks · 2024

Land area under more than 1 m of water in a 1-in-100-year river flood

Land area under more than 1 m of water in a 1-in-100-year river flood: Schwadernau comes top with 90.5% and Neuchâtel comes last with 0.0%. The median across 900 municipalities is 2.2%. The ranking covers municipalities with at least 500 residents.

Podium and top 100

The row you point atNational medianHover over, tap or select a row with the keyboard to see where it stands on the national scale.

1Schwadernau90.5%2Scheuren88.1%3Brugg87.0%

#	Municipality	Canton	Land area under more than 1 m of water in a 1-in-100-year river flood
1	Schwadernau	Bern	90.5%
2	Scheuren	Bern	88.1%
3	Brugg	Aargau	87.0%
4	Worben	Bern	77.7%
5	Wangen an der Aare	Bern	68.4%
6	Flaach	Zurich	68.3%
7	Widnau	St. Gallen	67.7%
8	Au (SG)	St. Gallen	67.5%
9	Walperswil	Bern	63.5%
10	Rottenschwil	Aargau	59.1%
11	Diepoldsau	St. Gallen	56.8%
12	Chessel	Vaud	56.7%
13	Murten	Fribourg	53.5%
14	Merenschwand	Aargau	52.0%
15	Noville	Vaud	49.7%
16	Balgach	St. Gallen	48.9%
17	Büren an der Aare	Bern	48.7%
18	Müntschemier	Bern	48.3%
19	Martigny	Valais	47.9%
20	Gampelen	Bern	47.2%
21	Dotzigen	Bern	46.4%
22	Ins	Bern	46.2%
23	Siselen	Bern	46.1%
24	Meinisberg	Bern	44.5%
25	Full-Reuenthal	Aargau	42.6%
26	Luterbach	Solothurn	42.4%
27	Treycovagnes	Vaud	41.6%
28	Bellach	Solothurn	41.0%
29	Finsterhennen	Bern	40.4%
30	Nidau	Bern	40.2%
31	Aristau	Aargau	40.0%
32	Deitingen	Solothurn	39.4%
33	Obergösgen	Solothurn	39.3%
34	Belp	Bern	39.0%
35	Solothurn	Solothurn	38.9%
36	Täuffelen	Bern	38.9%
37	Studen (BE)	Bern	38.8%
38	Mellingen	Aargau	38.7%
39	Gals	Bern	38.6%
40	Flumenthal	Solothurn	38.5%
41	Mont-Vully	Fribourg	38.4%
42	Schwaderloch	Aargau	38.1%
43	Ipsach	Bern	37.9%
44	Aegerten	Bern	37.6%
45	Lengnau (BE)	Bern	36.0%
46	Roche (VD)	Vaud	35.8%
47	Locarno	Ticino	34.8%
48	Geroldswil	Zurich	34.7%
49	Altikon	Zurich	34.6%
50	Vernayaz	Valais	34.4%
51	Brüttelen	Bern	34.3%
52	Eggenwil	Aargau	34.1%
53	Dietikon	Zurich	33.8%
54	Fischbach-Göslikon	Aargau	33.0%
55	Kappelen	Bern	32.5%
56	Jens	Bern	32.2%
57	Safnern	Bern	32.0%
58	Lalden	Valais	32.0%
59	Laupen	Bern	31.4%
60	Benken (SG)	St. Gallen	30.8%
61	Rüthi (SG)	St. Gallen	30.6%
62	Aarau	Aargau	30.4%
63	Kiesen	Bern	29.9%
64	Zuchwil	Solothurn	29.0%
65	Aarburg	Aargau	28.0%
66	Aarberg	Bern	27.8%
67	Andelfingen	Zurich	27.7%
68	Yverdon-les-Bains	Vaud	27.6%
69	Saint-Léonard	Valais	27.5%
70	Hünenberg	Zug	27.0%
71	Muntelier	Fribourg	27.0%
72	Schönenwerd	Solothurn	26.4%
73	Felben-Wellhausen	Thurgau	26.0%
74	Büetigen	Bern	26.0%
75	Niedergösgen	Solothurn	25.9%
76	Sierre	Valais	25.9%
77	Rüti bei Büren	Bern	25.7%
78	Zwingen	Basel-Landschaft	25.3%
79	Grenchen	Solothurn	25.1%
80	Böttstein	Aargau	25.1%
81	Arch	Bern	24.7%
81	Windisch	Aargau	24.7%
83	Sion	Valais	24.5%
84	Tuggen	Schwyz	24.4%
85	Birsfelden	Basel-Landschaft	24.4%
86	Lüscherz	Bern	24.2%
87	Rupperswil	Aargau	23.9%
88	Thônex	Geneva	23.8%
89	Buchs (SG)	St. Gallen	23.7%
90	Selzach	Solothurn	23.6%
91	Unterengstringen	Zurich	23.3%
92	Vétroz	Valais	23.3%
93	Veltheim (AG)	Aargau	23.3%
94	Massongex	Valais	23.1%
95	Yvorne	Vaud	23.0%
96	Rennaz	Vaud	23.0%
97	Wynau	Bern	23.0%
98	Unterlunkhofen	Aargau	22.8%
99	Däniken	Solothurn	22.7%
100	Künten	Aargau	22.3%

Bottom of the ranking

#	Municipality	Canton	Land area under more than 1 m of water in a 1-in-100-year river flood
818	Dully	Vaud	0.0%
818	Perroy	Vaud	0.0%
818	Rolle	Vaud	0.0%
818	Corseaux	Vaud	0.0%
818	Montreux	Vaud	0.0%
818	La Tour-de-Peilz	Vaud	0.0%
818	Vevey	Vaud	0.0%
818	Veytaux	Vaud	0.0%
818	Champvent	Vaud	0.0%
818	Cheseaux-Noréaz	Vaud	0.0%
818	Yvonand	Vaud	0.0%
818	Varen	Valais	0.0%
818	Saint-Gingolph	Valais	0.0%
818	La Grande Béroche	Neuchâtel	0.0%
818	Neuchâtel	Neuchâtel	0.0%

Regions compared

Population-weighted averages for rates; totals for counts.

Other rankings on the same theme

Land area exposed to river flooding (1-in-10-year flood)Land area exposed to river flooding (1-in-100-year flood)Land area exposed to river flooding (1-in-500-year flood)Seismic hazard: peak ground acceleration (10 % in 50 years)

Frequently asked questions

Which municipality ranks first for “Land area under more than 1 m of water in a 1-in-100-year river flood”?

Schwadernau ranks first for “Land area under more than 1 m of water in a 1-in-100-year river flood”, with 90.5%.

What is the median for “Land area under more than 1 m of water in a 1-in-100-year river flood”?

The median across the 900 ranked municipalities is 2.2%.