Lauvåsen wastewater treatment in filter beds Norway
Lauvåsen is a cluster of houses, holiday homes and
a tourist resort in Sør-Fron municipal in Norway.
25 holiday homes, 3 houses and one tourist resort are
connected to the treatment plant. This gives a dimensioning flow of: Qdim = 63 m3/day, a total of 284 pe.
The treatment plant was built in 2002.
Filter media used in this plant:
930 m3 Filtralite® P 0-4 mm
270 m3 Filtralite® NR 2-4 mm
60 m3 Filtralite® NC 4-10 mm
130 m3 Filtralite® NR 10-20 mm
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Treatment results after 5 years operation:
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Reduction:
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Discharge concentration:
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Total phosphorus
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99 %
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0,01 mg/l
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Organic matter (BOD5)
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95 %
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15,7 mg/l *
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Total nitrogen
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16,0 mg/l
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Thermotolerant bacteria
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100 %
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0
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* Median BOD5 value is 4,0 mg/l
The treatment plant is dimensioned and built by: HACO Hydrogeologi og avløpskompetanse as, www.haco.no
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