Lake Clearwater
Current Lake SPI Condition
Moderate
Maximum Depth
19.0m
Size
1.97km²
Lake Type
Glacial
FENZ#
41305
Other Names
Lake Tripp
Lake Clearwater
Results Overview March 2023
Survey Date Status LakeSPI % Native Condition % Invasive Impact %
March 2023 Moderate 39.5% 43.7% 56.8%
February 2017 Moderate 49.0% 54.0% 49.4%
November 2012 Moderate 48.3% 54.0% 48.1%
November 2007 Moderate 46.9% 50.6% 50.6%
February 1982 Moderate 42.2% 39.7% 45.1%
March 2023 - Condition Moderate
43.7% 56.8% 39.5% LakeSPI Index Native Index Invasive Index

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
5.20 5.00 4.80

Survey Notes

February 2017 - Condition Moderate
54.0% 49.4% 49.0% LakeSPI Index Native Index Invasive Index

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
8.90 8.60 4.90

Survey Notes

November 2012 - Condition Moderate
54.0% 48.1% 48.3% LakeSPI Index Native Index Invasive Index

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
6.00 6.00 4.50

Survey Notes

This assessment was carried out with funding from DOC - www.doc.govt.nz

November 2007 - Condition Moderate
50.6% 50.6% 46.9% LakeSPI Index Native Index Invasive Index

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
7.00 7.00 5.50

Survey Notes

February 1982 - Condition Moderate
39.7% 45.1% 42.2% LakeSPI Index Native Index Invasive Index

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
4.00 4.00 4.00

Survey Notes

Note: This survey is based on historic survey information.