Appleby Gravel Unconfined Aquifer at Halls

Groundwater Level for last 7 days at Appleby Gravel Unconfined Aquifer at Halls

Groundwater Level for last 7 days at Appleby Gravel Unconfined Aquifer at Halls
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Groundwater Level for last 30 days at Appleby Gravel Unconfined Aquifer at Halls

Groundwater Level for last 30 days at Appleby Gravel Unconfined Aquifer at Halls
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Groundwater History

Aquifer: Appleby Gravel Unconfined Aquifer

Catchment: Wai-iti

Zone: Wai-iti Dam Service Zone

Period of analysis: 27 September 2001 to 31 December 2016

Comment: This bore is principally for monitoring groundwater recharge in relation to the water release from the Wai-iti Dam at Kainui. The dam releases water into the Wai-iti River above Belgrove and this water recharges the adjoining aquifer downstream all the way to below Brightwater township. This is one in a series of bores measuring the effectivness of the release and also helps to decide on volumes of release to keep groundwater levels up.

  Month
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min level (m) 18.28 18.34 18.32 18.48 18.73 18.81 19.08 19.20 19.07 18.89 18.70 18.64
Year it occurred 2006 2003 2003 2003 2007 2008 2007 2003 2007 2005 2005 2005
Max level (m) 20.97 20.32 20.26 20.89 21.25 22.12 21.94 21.31 21.23 21.03 23.24 22.90
Year it occurred 2012 2016 2016 2013 2011 2003 2003 2008 2013 2001 2016 2011
Average 19.20 19.00 19.00 19.17 19.42 20.04 20.01 19.92 19.80 19.85 19.47 19.31

This table shows the minimum and maximum water levels recorded each month and the year the extreme value was reached during the stated analysis period.

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Disclaimer

Tasman District Council has exercised all reasonable skill and care in collecting and displaying this information. However, the data is provisional, and may be incorrect until checked by staff. Data should be used with caution where there are safety, monetary, or operational consequences if the data is incorrect. Note also, the data may be changed at a later time.