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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 –

TRC Climate Summary Report March 2025

page Taranaki Regional Council Monthly Rainfall and Environmental Data Report for March 2025 Note: The data presented here are provisional data only and may change as a result of quality control at a later date. 1. Rainfall Map 1: March total rainfall (mm) and percentage of long-term mean (colour key). page Map 1a. Total rainfall 1 January to end March (mm) and percentage of long-term mean (colour key). page Table 1: Rainfall March

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,