excellent condition.
Since formal monitoring began in 2010, the Council has
assessed 67 unique wetlands. Between 2015 and 2020, 21
were assessed for the first time, with a further 32 wetlands
reassessed five years after their initial assessment. Based on
five-year reassessment data, 74% of wetlands have shown
improvement in their ecological condition, while 3% have
unchanged ecological condition, and 23% have degraded
in condition. Our repeat assessments show measures of
2022 50
Table 6 Surface water monitoring 25 January 2023 52
Table 7 Surface water monitoring 23 March 2023 55
Table 8 Surface water monitoring 2 June 2023 58
Table 9 metals in surface water and WTS discharge 64
Table 10 Current biomonitoring sites in the Haehanga Stream catchment and comparable reference
site 67
Table 11 Number of taxa, MCI and SQMCI values recorded in the Haehanga Stream catchment and
reference stream in earlier, the last, and the current survey, together
Executive, Audit & Risk Committee agenda December 2020
discharge monitoring 61
Results of receiving environment monitoring 62
page
v
11.4 Investigations, interventions, and incidents 63
11.5 Discussion 63
11.5.1 Discussion of site performance 63
11.5.2 Environmental effects of exercise of consent 63
11.5.3 Evaluation of performance 63
12 Ravensdown Fertiliser Co-operative Ltd (old site) 66
12.1 Process description 66
12.2 Water discharge permits 67
12.3 Results 67
12.3.1 Inspections 67
12.3.2 Chemical
Prohibited
Restricted
Discretionary
Restricted
Discretionary
Permitted
Prohibited
Permitted
Permitted
Controlled
Permitted
Permitted
Permitted
Permitted
67
67
68
68
69
70
70
70
71
71
71
72
DISCHARGES FROM LAND:
SITE DEVELOPMENT,
EARTHWORKS OR THE
APPLICATION OF SOIL
CONDITIONERS
Discharges from site development
Rule 42 Site development and landscaping
Results of discharge monitoring 67
11.2.3. Investigations, interventions, and incidents 67
11.3. Discussion 67
11.3.1. Discussion of site performance 67
11.3.2. Environmental effects of exercise of consent 67
page
vi
11.3.3. Evaluation of performance 68
11.3.4. Recommendation from the 2015-2016 Annual Report 68
11.3.5. Alterations to monitoring programmes for 2017-2018 68
11.4. Recommendation 69
12. Schlumberger New Zealand Ltd 70
12.1.
page
65 Regional Air Quality Plan for Taranaki
Discharges from industrial or trade premises or other places or sources:
waste management processes
page
66 Regional Air Quality Plan for Taranaki
page
67 Regional Air Quality Plan for Taranaki
Discharges from Waste Management Processes – Combustion For
water temperatures 45
2.1.3.5 Evaluation of fish passage 47
2.1.3.6 Biomonitoring 49
2.2 Air 51
2.2.1 Inspections 51
2.2.2 Emission monitoring 51
2.2.3 Deposition gauging 52
2.3 Investigations, interventions and incidents 55
3. Discussion 56
3.1 Discussion of plant performance 56
3.2 Environmental effects of exercise of consents 57
3.3 Evaluation of performance 58
3.4 Recommendations from the 2011-2012 Annual Report 67
3.5 Alterations to monitoring
Table 36 Tegel de Havilland Drive stormwater sampling results 63
Table 37 Tegel stormwater to wetland sampling results, site STW001053 64
Table 38 Tegel wetland discharge sampling results, site MGT000489 64
Table 39 Summary of performance for Tegel Consent 3470-4 65
Table 40 Summary of performance for Tegel Consent 7389-1.2 65
Table 41 Summary of performance for Tegel Consent 4026-3 66
Table 42 Summary of performance for Tegel Consent 5494-2 67
Table 43 Summary of