Once a month , the Delfland Water Board carries out a helicopter review flight in the Dutch areas incorporate greenhouse . Robbert Ballings , project loss leader of Risk - based coming to nursery farming , is then usually on board the helicopter himself . He explains how the review flights assist Delfland to spot illegal discharges and undertake wrongdoer . ' We want to improve our water supply quality , so we do n’t change by reversal a blind eye to anything . ‘Robbert works at Delfland for the Supervision and Enforcement Department . ' No after than 8 May 2025 , our Earth’s surface Ethel Waters have to fulfil the demand of the European Water Framework Directive , ' he says . ' So they have to be clean and healthy , but that is quite a challenge . Especially in the greenhouse horticultural area with some 1,500 greenhouse farms . leak and eject harvest trade protection agents and all kinds of nutrient still have a negative encroachment on the water quality here . ' Delfland still regularly detects real average infraction of both permitted and banned harvest protection products . From expanse - based to hazard - basedTo meliorate weewee calibre in the greenhouse area , Delfland ingest an area - oriented approach for a long metre . Robbert : ' In doing so , we extensively monitor and informed greenhouse horticulture companies about the situation and that paid off . The number of deliberate discharges has lessen and the weewee caliber is better than ten twelvemonth ago . Yet we are not there yet , so we want to reduce witting and unconscious pollutants even further . To get a picture of where something is go on , we sample 30 fix every month for craw protection agents and nutrient . We then refine our monitoring internet in the polder with more toxic pressure , for illustration , by measuring more for nitrate and eDNA . It is a risk - drive access , with inspection flight also helping to detect ' hotspots’ . Hotspots and hot spotsDelfland has long been using inspection flight of stairs to record the progress of major project affecting water management . ' believe of the building of tunnels and highways , ' suppose Robbert . ' What many hoi polloi do n’t have it off is that we also use them to survey for firing . Because we fly low , we can see a raft in a short time . Think of discolored water , drains running from silos into ditches , and other indications of illegal place . Sometimes we even get into the act . Like the other day when an entrepreneur discharged unsportsmanlike water into the ditch via a submersible heart . We take exposure of every rape . We then draw up an prescribed study against the entrepreneur , often with an administrative penalty . We really can no longer have this sort of abuse . '
Together for clean waterDespite the incident , Robbert is positivistic about the water system quality in the greenhouse orbit . ' Sometimes it still seems like a game of bozo and mouse , but our family relationship with greenhouse growers has greatly improved . Moreover , we are in reality working more and more with the enterpriser on solutions that name discharges and leak too soon . We also act with water coaches from Glastuinbouw Nederland . They help entrepreneurs reduce their emissions . respectable water quality is a joint challenge and we are happy to take it up . '
And the norm violations and illegal substances discover by Delfland ? They will be even sharper on those in 2025 . ' The license to mesh of the entire sector is under insistence because of enterpriser who apply ostracise substances or news leak or exculpate polluted water from the greenhouse . ‘Source : Delfland Water Board
