Risks · 2024

Land area exposed to river flooding (1-in-500-year flood)

Land area exposed to river flooding (1-in-500-year flood): Schwadernau comes top with 99.4% and Bürglen (UR) comes last with 0.0%. The median across 900 municipalities is 4.5%. 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.

1Schwadernau99.4%2Widnau95.4%3Scheuren94.8%

#	Municipality	Canton	Land area exposed to river flooding (1-in-500-year flood)
1	Schwadernau	Bern	99.4%
2	Widnau	St. Gallen	95.4%
3	Scheuren	Bern	94.8%
4	Kappelen	Bern	93.0%
5	Brugg	Aargau	92.9%
6	Worben	Bern	92.0%
7	Diepoldsau	St. Gallen	85.7%
8	Noville	Vaud	83.3%
9	Chessel	Vaud	77.8%
10	Au (SG)	St. Gallen	77.4%
11	Flaach	Zurich	73.2%
12	Nidau	Bern	71.8%
13	Walperswil	Bern	71.3%
14	Wangen an der Aare	Bern	69.6%
15	Rüdtligen-Alchenflüh	Bern	67.6%
16	Rottenschwil	Aargau	67.0%
17	Luterbach	Solothurn	66.4%
18	Murten	Fribourg	65.9%
19	Bargen (BE)	Bern	65.1%
20	Studen (BE)	Bern	64.1%
21	Gampelen	Bern	62.3%
22	Siselen	Bern	60.1%
23	Balgach	St. Gallen	60.0%
24	Aefligen	Bern	59.7%
25	Merenschwand	Aargau	59.6%
26	Müntschemier	Bern	57.8%
27	Martigny	Valais	56.6%
28	Dotzigen	Bern	55.2%
29	Rennaz	Vaud	54.4%
30	Kallnach	Bern	54.0%
31	Muntelier	Fribourg	53.5%
32	Ins	Bern	53.5%
33	Benken (SG)	St. Gallen	53.2%
34	Finsterhennen	Bern	50.0%
35	Zuchwil	Solothurn	49.8%
36	Büren an der Aare	Bern	49.6%
37	Locarno	Ticino	49.2%
38	Roche (VD)	Vaud	49.2%
39	Meinisberg	Bern	48.2%
39	Aegerten	Bern	48.2%
41	Jens	Bern	46.8%
42	Hünenberg	Zug	46.4%
43	Aarberg	Bern	46.4%
44	Ipsach	Bern	46.2%
45	Treycovagnes	Vaud	46.1%
46	Gals	Bern	46.0%
47	Deitingen	Solothurn	45.9%
48	Birsfelden	Basel-Landschaft	45.8%
49	Solothurn	Solothurn	44.5%
50	Bellach	Solothurn	44.2%
51	Aristau	Aargau	44.1%
52	Kiesen	Bern	44.1%
53	Mont-Vully	Fribourg	43.6%
54	Full-Reuenthal	Aargau	43.3%
55	Lalden	Valais	42.9%
56	Interlaken	Bern	42.9%
57	Flumenthal	Solothurn	42.4%
58	Obergösgen	Solothurn	42.4%
59	Laupen	Bern	41.8%
60	Täuffelen	Bern	41.3%
61	Buchs (SG)	St. Gallen	41.3%
62	Belp	Bern	41.1%
63	Felben-Wellhausen	Thurgau	40.8%
64	Büetigen	Bern	40.6%
65	Schwaderloch	Aargau	40.2%
66	Rüderswil	Bern	40.0%
67	Yverdon-les-Bains	Vaud	39.9%
68	Mellingen	Aargau	39.4%
69	Altikon	Zurich	38.6%
70	Payerne	Vaud	38.4%
71	Lengnau (BE)	Bern	38.0%
72	Dietikon	Zurich	38.0%
73	Brüttelen	Bern	37.6%
74	Fischbach-Göslikon	Aargau	36.8%
75	Utzenstorf	Bern	36.6%
76	Wiler bei Utzenstorf	Bern	36.6%
77	Andelfingen	Zurich	36.1%
78	Eggenwil	Aargau	36.0%
79	Sierre	Valais	35.9%
80	Dietwil	Aargau	35.8%
81	Aarburg	Aargau	35.7%
82	Rebstein	St. Gallen	35.7%
83	Geroldswil	Zurich	35.6%
83	Vernayaz	Valais	35.6%
85	Uttigen	Bern	35.5%
86	Aarau	Aargau	35.2%
87	Böttstein	Aargau	35.2%
88	Orbe	Vaud	35.0%
89	Schönenwerd	Solothurn	34.7%
90	Weinfelden	Thurgau	34.5%
91	Rüthi (SG)	St. Gallen	34.4%
92	Sargans	St. Gallen	34.4%
93	Safnern	Bern	34.2%
94	Oberrüti	Aargau	33.9%
95	Saint-Léonard	Valais	33.8%
96	Yvorne	Vaud	33.5%
97	Buchrain	Lucerne	33.5%
98	Oberriet (SG)	St. Gallen	32.8%
99	Tuggen	Schwyz	32.8%
100	Emmen	Lucerne	32.6%

Bottom of the ranking

#	Municipality	Canton	Land area exposed to river flooding (1-in-500-year flood)
883	Hérémence	Valais	0.1%
887	Aadorf	Thurgau	0.1%
887	Güttingen	Thurgau	0.1%
887	La Grande Béroche	Neuchâtel	0.1%
890	Weisslingen	Zurich	0.1%
890	La Roche	Fribourg	0.1%
890	Herisau	Appenzell Ausserrhoden	0.1%
893	Maur	Zurich	0.0%
893	Altendorf	Schwyz	0.0%
893	Egnach	Thurgau	0.0%
893	Airolo	Ticino	0.0%
897	Horgen	Zurich	0.0%
897	Val-de-Charmey	Fribourg	0.0%
897	Mendrisio	Ticino	0.0%
900	Bürglen (UR)	Uri	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 under more than 1 m of water in a 1-in-100-year river flood Seismic hazard: peak ground acceleration (10 % in 50 years)

Frequently asked questions

Which municipality ranks first for “Land area exposed to river flooding (1-in-500-year flood)”?

Schwadernau ranks first for “Land area exposed to river flooding (1-in-500-year flood)”, with 99.4%.

What is the median for “Land area exposed to river flooding (1-in-500-year flood)”?

The median across the 900 ranked municipalities is 4.5%.