What is the level of fluoride in New Plymouth’s water after fluoride has been added?
The targeted level of fluoride in New Plymouth’s water after treatment is 0.7g/m3, as recommended by the Ministry of Health. 3. What monitoring is undertaken to verify the level of fluoride actually added? The New Plymouth Water Treatment includes continuous online monitoring equipment which is used to stop fluoride going into supply if the dose exceeds 1.5g/m3. New Plymouth Water Treatment Plant technicians take water samples weekly which are analysed by an independent laboratory to verify the online analyser. The Taranaki District Health Board audit our records on a quarterly basis to verify compliance with the Drinking Water Standard. 4. What is the maximum level of fluoride allowable under the Ministry of Health Drinking Water Standard? The maximum allowable level of fluoride under the Drinking Water Standard is 1.5g/m3. The maximum allowable value under the World Heath Organisation guideline is 1.5g/m3. The Ministry of Health recommends fluoride to be dosed at between 0.7g/m3 and
