Weddebach

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Weddebach
Wedde
The Weddebach am Harly near Weddingen with a ford. Facing north.

The Weddebach am Harly near Weddingen with a ford. Facing north.

Data
Water code DE : 48236
location Lower Saxony , Germany
River system Weser
Drain over Oker  → Aller  → Weser  → North Sea
Confluence of two source streams Gut Grauhof near Goslar
51 ° 56 ′ 36 ″  N , 10 ° 26 ′ 15 ″  E
Source height 187  m
muzzle Schladen coordinates: 52 ° 0 '54 "  N , 10 ° 32' 38"  E 52 ° 0 '54 "  N , 10 ° 32' 38"  E
Mouth height 98  m
Height difference 89 m
Bottom slope 5.6 ‰
length 15.9 km
Catchment area 44.7 km²
Left tributaries Hellbach, Ahlerbeek
Right tributaries Heisterbach
Medium-sized cities Goslar
Communities Schladen
Water body NLWKN: 15014

The Weddebach or the Wedde is a roughly 16 km long left tributary of the Oker , whose source streams arise at Gut Grauhof in Goslar and which flows into the Oker near Schladen in the Wolfenbüttel district .

geography

The Weddebach has two source streams that arise near Gut Grauhof. The western one comes out of the waiting area and crosses the forest pond , the pile pond and the mill pond one after the other . A stream flows from the south at its outlet and has its source on the estate. The body of water is referred to as Mühlengraben on the official map of the state of Lower Saxony . After another southern tributary it is called Wedde . This flows through the center of Immenrode , where sections of the historic Deitweg between Goslar and Schöningen , today's federal highway 82 , crosses the river. It flows along the district road 24 in the direction of Vienenburg and takes the Heisterbach from the right on the state road L 510. At the level of the former Shaft III of the Vienenburg potash works , it reaches the Harly Forest and there bends sharply to the west. It flows around the Harly near Weddingen , where it runs very close to nature and where the name Flachsrotte has been retained in the side arms .

In addition, it strives to the northeast and passes the Upper and Lower Schierksmühle at Beuchte . At the Obere Schierksmühle it takes the Hellbach from the left. The other sections are heavily straightened. After the Weddebach is crossed by the federal motorway 36 , it reaches Schladen and receives the Ahlerbeek as a further tributary.

In the last section, the stream runs parallel to the Oker, from which a branch branches off far above Schladens at Ziegeleiweg and joins the Wedde. An arm of the Wedde leads on a short path as a continuation of the Ahlerbeeks along the Flachsrottenweg to the northeast into the Oker. Another arm is called Weddebach on the official map and runs further north. From the west it takes in a stream called Hauptgraben, which flows directly to the Oker on the street Am Hauptgraben. The Weddebach strives further north, where it is bridged by the former B4 . It borders the property of the domain (moat of the former Schladen Castle ) and reaches Hinter dem Mühlgarten below the village and south of the Palatinate Werla die Oker.

The brook is assigned to type 6 , carbonate low mountain range rich in fine material .

Water quality

In the water quality report of the NLWKN from 2002, the biological water quality class is rated II, i.e. moderately polluted, and the chemical quality is rated worse. The water body data sheet of the NLWKN with the evaluation status from the year 2009 classifies the water body with regard to the structural quality as significantly changed water body, for which no target achievement is possible within the framework of the EC Water Framework Directive by 2015 . The quality varies in the individual sections and reaches grade II for 31% of the water body. The overall ecological potential is classified as “bad”. Although the biological quality achieved good values, all other parameters including the fish population were rated as “moderate” to “poor”. In particular, high heavy metal values ​​from the pond sludge at Grauhof and a wild household waste dump have a negative impact.

Web links

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

Individual evidence

  1. ↑ a b Topographic map 1: 50,000 Land of Lower Saxony
  2. ↑ a b NLWKN : Inventory of the implementation of the EC Water Framework Directive, Oker processing area , Braunschweig November 2004, Table 3.
  3. ↑ LGLN: Official map 1: 5000 , accessed on August 17, 2013 at navigator.geolife.de
  4. ↑ a b NLWKN : Water quality report Oker 2002 , Braunschweig October 2002, p. 41
  5. ↑ Gender of the ending -beek
  6. ↑ NLWKN : Water body data sheet 15014 Weddebach , as of 2012, NLWKN website on the EU Water Framework Directive, accessed on May 24, 2013.