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Stormwater

Good management of stormwater runoff from worksites is important to prevent contamination of waterways or groundwater. This page discusses stormwater runoff from industrial or trade sites. See the earthworks page for information on the stormwater management requirements for development or building sites. Best practice Plan your site carefully. Construct drains or slope your site so that rainfall runoff doesn’t cross your working areas. This keeps uncontaminated water separate from waste water,

Stormwater

Good management of stormwater runoff from worksites is important to prevent contamination of waterways or groundwater. This page discusses stormwater runoff from industrial or trade sites. See the earthworks page for information on the stormwater management requirements for development or building sites. Best practice Plan your site carefully. Construct drains or slope your site so that rainfall runoff doesn’t cross your working areas. This keeps uncontaminated water separate from waste water,

Waitōtara Catchment Flood Study - Draft Calibration Report

4.2.2 Flows 28 4.2.3 Discharge Volume 30 4.2.4 Timing of Peak 31 4.2.5 Summary 32 5 CONCLUSIONS AND RECOMMENDATIONS 34 LIST OF FIGURES Figure 2-1 Waitōtara Catchment 6 Figure 3-1 Waitōtara Gauge Summary Map 9 Figure 3-2 Cumulative Hourly Rainfall Depths at Gauges – June 2015 10 Figure 3-3 Gauge Data for Hydraulic Model Calibration – June 2015 11 Figure 3-4 Tidal Boundary Conditions – June 2015 11 Figure 3-5 Cumulative Hourly Rainfall Depths at Gauges –

2020 rainfall maps

… page page December 2020 Year to Date Rainfall millimetres 0-500 501-1000 1001-1500 1501-2000 2001-2500 2501-3000 3001-3500 3501-4000 4001-4500 4501-5000 5001-5500 5501-6000 6001-6500 2020 rainfall (January-December) - monitored sites 2020 rainfall (January-December) distribution

TRC Bulletin - 21 November 2017

Taranaki’s temperature trends. Sunshine hours and wind speeds in North Taranaki have increased, while winter rainfall has decreased and severe weather events have become fewer and less intense. South Taranaki has seen an increase in spring rainfall. The Committee was told that the Resource Management Act explicitly excludes the Council from climate change regulation, but future likely consequences, particularly for rainfall, are being factored into plans and projects, most notably the recent upgrades to