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Rule 27 Sediment retention weirs in intermittently flowing streams

Rule 27 Sediment retention weirs in intermittently flowing streams

Updated 13 May 2015 12:36pm

The placement and use [, including any associated;

  • disturbance of any river bed; or
  • deposition on the river bed; or
  • temporary diversion;]

of any weir that is fixed in, on, or under the bed of any intermittently flowing river or stream which;

(1) is in any catchment on the eastern side of the Ruamahanga River; and

(2) impounds not more than 100 m 3 of water;

(3) has a catchment area of not more than 200 ha; and

(4) does not alter the natural course of the stream, including any diversion of water from the natural course during floods; and

(5) meets any requirements under the Freshwater Fisheries Regulations 1983 and the Building Act 1991

is a permitted activity provided it complies with the conditions specified below.


(1) The height of the weir from the upstream base to the crest of the weir shall be no more than 0.5 metres.

(2) No contaminants (including but not limited to oil, petrol, diesel, paint, or solvent) shall be released to water from equipment being used for the construction of the dam, and no refuelling of equipment shall take place on any area of river or lake bed.

(3) All material used during construction of the weir but not part of the weir shall be removed from the river bed and disposed of in an appropriate manner.

(4) All reasonable steps shall be taken to minimise the release of sediment to water during construction.

In Rule 27, the words in square brackets were inserted by Decisions on Plan change 1 to the Regional Freshwater Plan December 2002