The document contains hydrological data for Tretheway Creek collected on July 4th, 2014. It lists the intake drainage area as 79 km2 and the 200 year flood discharge as 364 cms. Stream cross section measurements are provided for 21 locations along the creek, reporting the catchment area, 200 year flood discharge, bottom width, depth, area, and maximum velocity for each cross section.

1. Project: Tretheway Creek
Date: July 4th, 2014
Intake DA (km2) 79
Intake DA (m2) 79000000
Intake 200 yr Q (cms) 364
Max velocity (ms) 0.34
Stream Catchment area (m2) Stream 200 yr Q (cms) Bottom Width Depth Area Velocity
S1 179986 0.83 1.5 0.9 2.4 0.34
S2 12183 0.06 1.5 0.5 1.1 0.05
S3 406692 1.87 4.3 1.0 5.8 0.33
S4 1324200 6.10 8.0 1.8 18.6 0.33
S5 21624 0.10 1.5 0.5 1.1 0.09
S6 334615 1.54 5.0 0.8 4.6 0.34
S7 11378 0.05 1.5 0.5 1.1 0.05
S8 773905 3.57 7.0 1.2 10.6 0.34
S9 7642 0.04 1.5 0.3 0.5 0.08
S10 17476 0.08 1.5 0.3 0.5 0.17
S11 234644 1.08 4.0 0.8 3.8 0.28
S12 100831 0.46 2.0 0.5 1.4 0.34
S13 85805 0.40 1.5 0.6 1.4 0.27
S14 73575 0.34 1.5 0.5 1.1 0.30
S15 65612 0.30 1.5 0.5 1.1 0.27
S16 43846 0.20 1.5 0.5 1.1 0.18
S17 49722 0.23 1.5 0.5 1.1 0.20
S18 57308 0.26 1.5 0.5 1.1 0.23
S19 57364 0.26 1.5 0.5 1.1 0.23
S20 39500 0.18 1.5 0.5 1.1 0.16
S21 81060 0.37 1.5 0.5 1.1 0.33