Site visit details

Overview

Catchment Ovens River
Site Barwidgee Creek, DePiazza Lane, Mudgegonga LCG Site 4 NE_BAR045
Date and Time Tuesday 13th October 2015 14:24pm
Approved Approved

Notes

Physical Chemical Tests

D.O. % D.O mg/L EC µS/cm Nitrate-Nit mg/L N pH pH Units rP mg/L P Water ° C Turb NTU
Sample 74.7 6.03 130 7.5 0.068 17.2 10
Weather sunny
Last rainfall
Flow estimate MEDIUM: flow is normal/typical average flow
Water Appearance Clear
Stream depth
Stream width
Hazards
Litter/Pollutants
Hi Vanessa, It took three days to calibrate the DO tester. When it finally calibrated, I took the reading and left it in the sample. It stabilised after a while, not much different to the first reading, but steady. Possibly, the unit needs a lot of time to settle??? Maybe the sedimentation does not influence the readings, though when trying to stabilise it, I gave the unit a shake and then took the battery out (several times each) and some of the times the reading jumped from ~60% to ~130% and then dropped back. While it is high, the unit will calibrate (mostly). Strange, eh? The stream temp was 17.2C and the sample temp was 23.3C, by the time the reading was recorded. The pool is silting up still, filling the pool back upstream from the ford. Still 20 cm to sample from. Cheers, Terry

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