surveys 63
4.2.10.3 Cyanobacteria 64
Timaru Stream at Weld Road (near mouth) 65 4.2.11
4.2.11.1 Comparison with guidelines 67
4.2.11.2 Comparison with previous summers’ surveys 67
4.2.11.3 Benthic cyanobacteria 69
Waimoku Stream at Oakura beach 69 4.2.12
Oakura River below SH45 70 4.2.13
4.2.13.1 Comparison with guidelines 72
4.2.13.2 Comparison with previous summers’ surveys 72
4.2.13.3 Benthic cyanobacteria 73
Waitara River at the town wharf, Waitara 74 4.2.14
4.2.14.1
Comparison with previous summers’ surveys 68
3.2.15 Lake Ratapiko 69
3.2.15.1 Compliance with guidelines 70
3.2.15.2 Comparison with previous summers’ surveys 71
3.2.15.3 Cyanobacteria 71
3.2.16 Lake Rotokare 72
3.2.16.1 Cyanobacteria 73
4. General data summary 75
4.1 Comparison with thirteen previous summers’ surveys 78
4.2 General 79
5. Recommendations 81
Bibliography and References 82
Appendix I MAC assessments for all sites 85
Appendix II High tide times 95
previous summers’ surveys 71
4.2.11.3 Benthic cyanobacteria 72
Waimoku Stream at Oakura beach 72 4.2.12
Oakura River below SH45 73 4.2.13
4.2.13.1 Comparison with guidelines 75
4.2.13.2 Comparison with previous summers’ surveys 76
4.2.13.3 Benthic cyanobacteria 77
Waitara River at the town wharf, Waitara 78 4.2.14
4.2.14.1 Comparison with guidelines 81
4.2.14.2 Comparison with previous summers’ surveys 82
Urenui River at the estuary 83 4.2.15
4.2.15.1 Comparison with guidelines
Policy and Planning agenda 22 Nov 2022
Ordinary Council Meeting Agenda 5 April 2022
Consents & Regulatory Committee agenda October 2021
Timaru Stream at Weld Road 74
Table 68 Statistical results summary for the Timaru Stream at Weld
Road 75
Table 69 Bacterial guidelines performance at the Timaru Stream,
Weld Road site [% of 13 samples] 77
Table 70 Summary of E. coli bacteriological water quality data to date
(cfu/100ml) for all summer surveys in the Timaru Stream at
lower Weld Road 78
Table 71 Analytical results for the Waimoku Stream at Oakura beach 80
Table 72 Statistical results summary for the Waimoku Stream
Egmont Ntnl Park (North) 7 264.0 63 1201.5 101 17 Nov 1990
Dawson Falls Ntnl Park (South) 5 315.5 85 1262.0 123 21 Feb 1933
Kahui Hut Ntnl Park (West) 6 235.0 73 821.0 96 16 Nov 2005
Mangorei Upper Near bushline 5 158.5 - 949.5 - - Feb 2017
Hillsborough 6 140.0 99 468.5 139 27 Feb 2012
Brooklands New Plymouth 6 94.2 72 404.8 132 25 Jan 1872
Mangati Bell Block 6 109.0 105 399.2 145 27 Oct 2012
Weston's Farm Motunui 5 68.6 69 351.6 123 22 Feb 1998
Waiwhakaiho Egmont
Performance against guidelines at Lake Opunake 62
Table 35 Cyanobacteria counts (cells/mL) at Lake Opunake [Health warning: >1.8 mm3/L] 63
Table 36 Statistical summary for Timaru Stream at Weld Road 66
Table 37 Performance against guidelines at Timaru Stream at Weld Road 67
Table 38 Statistical summary for Oakura River below SH45 72
Table 39 Performance against guidelines at Oakura River below SH45 73
Table 40 Percentage benthic cyanobacteria cover, detached and exposed mats at the