Dataset

Water Rangers Water Quality Testers

Dataset by Water Rangers

Dataset summary

Observations

  • 1 March 2025

    Loon Lake West Shore by Mike Grinnell

    Tap location. This is part of the chloride monitoring for the MTO project to discover if chloride levels from road salting can be reduced by the introduction of DLA in this area near a lake bordered by a highway. The chloride levels have dropped from 14 to 10 mg/l since the introduction of DLA to prewet NaCl. So far, the experiment/project appears successful.

  • 27 February 2025

    Downstream of the bridge by Jenny Hill

    Chloride estimated from extrapolation of manufacturers calibration curve (raw reading = 8.2)

  • 24 February 2025

    Chobham Recreation Ground by Andrew McManus

    Site is 250m upstream from Chobham Sewage Works which is currently undergoing major renovation works. The edges map shows it is currently spilling untreated sewage into this river (see screenshot) Small (Sewage?) Pumping Station about 10m downstream I guess this is an historic discharge site that is now pumped elsewhere, likely Chobham sewage works which is 250m downstream. Qualitative On the water surface: natural debris In the immediate surroundings: none Evidence of water use: none Algae? No Water flow: steady Estimated Water Level: high (see screenshot) Water colour: yellow Clarity: clear Odour: none

  • 23 February 2025

    Chestnut pond by Helena Newman

    Birds in water / gulls The pond water level is very high

  • 23 February 2025

    CHOBHAM STW by Andrew McManus

    Observed spill kit had been deployed across ditch on both sides of entrance to Chobham Sewage Works which is currently having major building works.

  • 17 February 2025

    Loon Lake West Shore by Mike Grinnell

    This is a limited observation meant to measure chloride levels in concert with a chloride reduction project with the Ministry of Transportation. My readings indicate how effective the MTO strategies are in trying new methods of chloride reduction. In this instance the MTO is using a DLA method which is the introduction of a brine solution combined with salt crystals. So far, a drop in chloride levels has been observed with the implementation of DLA.