Upper Waitaki Water Quality Groundwater. Table 1: Summary of wells with groundwater information.

Upper Waitaki Water Quality Groundwater

Table 1: Summary of wells with groundwater information

Table 2: Summary of Records in Upper Waitaki Basin from ECan Groundwater Quality Database

Table 3: Aquifer Yield Storage

Table 4: Measured Total Nitrogen at Haldon (Northern) Arm (NIWA data)

Table 5: A summary of Infiltration drainage under current and proposed land use

Figure 1: An example of the relationship between stream concentration and rainfall

Figure 1: Groundwater sub-catchments in Upper Waitaki Catchment

Figure 2: Groundwater level calibration for the Ahuriri Arm Catchment

Figure 3: Groundwater level calibration for the North Benmore Catchment (Aqualinc bores highlighted)

Figure 4: Stream gain and loss zones in the Upper Waitaki sub-catchments draining to Northern Arm of Lake Benmore

Figure 5: Stream gain and loss zones in the Upper Waitaki sub-catchments draining to Ahuriri Arm of Lake Benmore

Figure 6: Modelled and measured stream Nitrate-N concentrations

Appendix C: Model Inputs and subcatchment Flow Directions

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