Aurach (Rednitz)

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Aurach
Aurach near Roth

Aurach near Roth

Data
Water code DE : 242152
location Middle Franconian basin

Germany

River system Rhine
Drain over Rednitz  → Regnitz  → Main  → Rhine  → North Sea
source about one kilometer west of Petersaurach
49 ° 18 ′ 31 ″  N , 10 ° 43 ′ 55 ″  E
Source height 452  m above sea level NN
muzzle a little north of Roth in the Rednitz coordinates: 49 ° 15 '15 "  N , 11 ° 4' 52"  E 49 ° 15 '15 "  N , 11 ° 4' 52"  E
Mouth height 324.5  m above sea level NN
Height difference 127.5 m
Bottom slope 4 ‰
length 31.8 km
Catchment area 128.48 km²
Discharge at the Rothaurach
A Eo gauge: 120.64 km² 		NNQ
MNQ
MQ
Mq
 MHQ
HHQ (1988) 		129 l / s
320 l / s
649 l / s
5.4 l / (s km²)
 5.54 m³ / s
20.2 m³ / s

The Aurach is a year-round flowing water of the 2nd and 3rd order in the Bavarian districts of Ansbach and Roth .

Surname

The name Aurach means something like "creek where aurochs graze" (ahd. Ūr = aurochs and aha = flowing water).

geography

course

The Aurach rises about one kilometer west of Petersaurach , Middle Franconia at an altitude of 452  m above sea level. NN and flows almost 32 km eastwards to its receiving water Rednitz . The villages of Aich , Wollersdorf , Bertholdsdorf , Veitsaurach , Barthelmesaurach , Gauchsdorf and Rothaurach lie along its course . From Götzenreuth it drains the southern flank of the Heidenberg as a receiving water and flows into the northern edge of Roth at 325  m above sea level. NN from the left into the Rednitz. Like most of the western tributaries of the Rednitz, the Aurach has a low gradient and a low discharge as well as sand structures in the bank area and in the river bed .

Tributaries

Aurach near Barthelmesaurach
Aurach near Veitsaurach

Inflows with length information

nature and environment

Water quality

The Aurach has water quality class II-III in its upper reaches and improves to quality class II in its lower reaches. At Petersaurach, Mausendorf , Veitsaurach, Barthelmesaurach, Götzenreuth , Breitenlohe , Aurau and Rothaurach, it receives the treated wastewater from the local sewage treatment plants.

Landscape protection

Most of the course of the Aurach river in the Roth district lies in the cross-district landscape protection area No. 00428.01 .

Mills

The Aurach used to drive a mill at intervals of about two kilometers. These were, for example, the hammer mill , Geichsenmühle , Mausenmühle , Steinmühle , Buckenmühle , Hasenmühle, Neumühle , and Hebresmühle as well as those near Gauchsdorf and Rothaurach and the Lohmühle near Roth. The hydropower of the Aurach has lost its importance today.

literature

Web links

Commons : Aurach  - collection of images, videos and audio files

Individual evidence

  1. ↑ a b List of brook and river areas in Bavaria - Main river area, page 39 of the Bavarian State Office for the Environment, as of 2016 (PDF; 3.3 MB)
  2. ↑ Bavarian flood news service (as of September 7, 2011)
  3. ↑ Water cadastre in LKr Roth, Aurach
  4. ↑ Herbert Erich Baumert: The coats of arms of the cities, markets and communities of Upper Austria, 6th supplement (1980–1983) . In: Oberösterreichische Heimatblätter, Heft 3, 1984, p. 222 ( online (PDF) in the forum OoeGeschichte.at)
  5. ↑ Bavarian State Office for the Environment: Summary of the reports on the 2004 inventory in Bavaria  : Reports to the European Commission according to Art. 5, Annex II and Annex III, as well as Art. 6, Annex IV, of the Water Framework Directive , 1st version, Augsburg, 2006, Page 27
  6. ^ Aurach on Bavaria Atlas
  7. ↑ Water quality in the district of Roth , accessed on June 26, 2015 ( Memento from March 4, 2016 in the Internet Archive )