[Geysers] Fw: Rachel Spring, Rotorua

[Ashley Cody]

----- Original Message ----- 
From: Ashley Cody 
To: Carlton Cross 
Sent: Saturday, July 16, 2005 9:11 PM
Subject: Rachel Spring, Rotorua


On Thursday 7 July early morning, Rachel Spring had a side wall collapse or rupture. It became muddy opaque water and has not cleared at all to date 16 July. Rachel was previously a clear spring in a vent ~10m diameter, in the Government Gardens, Rotorua. 

Prior to this event it had always been clear, alkaline and boiling or almost boiling for >150 years. It is uncertain if this present change is entirely natural as it is pumped for <12 hrs each day to supply hot water to a bathing complex nearby. This pumping causes a waterlevel change of ~2m height daily.

When left unpumped for a year or two in late 1980s, Rachel overflowed at ~12 lps steadily for many months.


Ashley Cody, Rotorua
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