Why we stopped abstraction in 2013
Nitrate concentrations in aquifers can build over time due to fertilisers used in agriculture and horticulture seeping into the ground, alongside urban and industrial waste water.
All Affinity Water facilities are continually monitored for quality and in 2013 nitrate concentrations in the abstracted water at Oughton Head were rising close to the maximum permitted standard.
Due to the concentration of nitrates in water from the Oughton Head borehole, this source could no longer be used to feed into the supply network for customers and groundwater abstraction was suspended that year.
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Our work protecting chalk streams
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