Grippenbach
Flu stream in Bielefeld south, outflow from the lake.
The flu Bach ( also Krippenbach ) is a 2.5 km long orographic left tributary of the Sunderbaches in Bielefeld in North Rhine -Westphalia.
River course
The flu Bach built in the south of the Bielefeld district Brackwede near the Südring as well as the source of his receiving water Sunderbach in a wooded area and flows from the southwest direction. After a few meters take the waters on the left side tapered field creek and crosses then the data used as a retention basin and involved in a recreation area about four acres of brackish Neither lake.
After passing under the railway line Hamm- Minden flu Bach leads first through a wooded area and eventually empties east of Ummeln on a designated as Bruchwiesenstraße Worth area to the left side in the Sunderbach. The body of water located throughout the whole course exclusively in the area of brackish Neither the municipality, since this also Ummeln belongs to a district.
The flu Bach overcomes during its flow path a height difference of 20 meters, thus results in an average bed slope of 8.0 ‰.
Water quality
The water quality of the stream is flu, according to the water quality report from 2008 in the upper and middle reaches in a very heavily polluted state ( grade III -IV). The flu Bach is the only waters in the Bielefeld City area, which must be currently classified in this class. In the lower reaches, however, the grade II-III and thus a critical load can at least be reached again.
Etymology
The flu Bach, who is also called " Krippenbach " in regional parlance, was known under its Low German name " Greipenbach " until the beginning of the 20th century. A " Greipe " (or high German "attack " ), one understood a rural pitchfork -like device, recalled the shape of the branching arms of the water source. The Bach " attacked " with its source in the arms quasi located east of Ummeln wetland and thus hit on his behalf. Over the years, the name of the water turned into " flu Bach " or in " Krippenbach " because one does not know the original meaning of the name and therefore a mistranslation undertook in the High German language. Proper way would have the name of the body of water that is " Greifenbach " loud.