Hinterrhein

Vorderrhein

Valser R

hein

Rabiu

sa

Ragn da Ferrera

Gelgia

Land

wasser

Landquart

Plessur

Tamina

Albula

Alpen

-rhe

in

Ill

Lutz

Litz

Alfenz

Frutz

BregenzerachMe

ng

Alvier

Dorn

birne

rach

Weißach

Subersach

Leibl

ach

Aach

Obere Argen

Stockacher

Aach

Chur

VaduzBludenz

Feldkirch

Bregenz

Dornbirn

RorschachSt. Gallen

Kreuzlingen Lindenberg

Lindau

Wangen

RavensburgWeingarten

Bad Waldsee

Markdorf

Überlingen

Stockach

Singen

ConstanceFriedrichshafen

Radolfzeller

Aach

Seefelder Aach

Argen

Untere Argen

Wolfegger Ach

Schu

ssen

Albula

Rotach

Rhein

de M

edel

Glog

n

400 000

100 000200 000

400 000

100 000200 000

Kressbronn

Data sources:

"Federal office of topography" (Art. 30 GeoIV).© 2017 canton administration of Grisons, Chur.ThurGIS © office for geoinformation of the canton Thurgovia, Frauenfeld.© office for environment of the canton Thurgovia, Frauenfeld.© office for environment and energy of the canton St. Gall, St. Gall.© office for environment of the Principality of Liechtenstein, Vaduz. Vorarlberger GIS (VOGIS) © State Government of Vorarlberg, Bregenz. Data from the spatial information and planning system (RIPS) © LUBW Baden-Württemberg, Karlsruhe (www.lubw.baden-wuerttemberg.de).Basis: Settlement "ATKIS-DLM25 BW" © office for geoinformation and land development Baden-Württemberg, Stuttgart (www.lgl-bw.de) Az.: 2851.9-1/19.Information system water management of the bavarian water management administration © GIS-Was, Bavarian national office for environment, Augsburg (www.bayern.de/lfu).ATKIS-25 (Vorstufe) und Vektor-500 Daten © Bavarian office for land surveying, Munich (www.bayern.de/vermessung) Az.: O 1419 VM A-1665/01 .© office for water management Kempten, Kempten.

Water information system of Lake Constance (BOWIS) - 2017. Work and cartography: Dipl.-Ing. (FH) Robert Obad, Institute for Lake Research (ISF), Langenargen.Status quo of the drawn working map 01.01.2017

Original scale 1 : 500 000

Legend

catchment area of Lake Constancesettlementlakeriver

national- or canton borderstate border

Load and capacity of the sewage plant 50 up to 1000 are drawn in a common size

industrial sewage plant or mostly used industrial

population equivalents

Load and capacity of the sewage plant in total number of inhabitants and population equivalents

waste water treatmentcapacityload

advanced effluent treatment(for example: filtration)

nitrification

denitrification

phosphorus elimination L i e c h t e n -s t e i n

I t a l y

S w i t z e r l a n d

A u s t r i a

G e r m a n y

B a d e n - W ü r t t e m b e r g

T h u r g o v i aB a v a r i a

A p p e n z e l l O u t e r - R h o d e s

A p p e n z e l l I n n e r - R h o d e s

G r i s o n sT i c i n o

S t. G a l l

L a k e C o n s t a n c e

N

International Commission for water protection of Lake Constance (IGKB)Map of the sewage plants in the catchment area of Lake Constance

V o r a r l b e r g

local sewage plant partially also used industrial

International Commission for water protection of Lake Constance (IGKB)

10 0 10 kilometres

elimination of micropollutants