pH (0-14)
What's this?
7.8
Waterloo Lake: NW Corner : Roundhay Park : Waterloo Lake
Leeds, Leeds, United Kingdom

Observed by
Christopher Holmes
- Observed on: Sun, 03 Aug 2025 12:15:00 +0100
-
Associated with:
Roundhay Environmental Action Project and Friends of Roundhay Park : Roundhay Freshwater Watch - Lat: 53.8400068
- Lng: -1.4922095
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Chlorine ppm
What's this?
0.5
Hardness mg/L
What's this?
200.0
Nitrates ppm
What's this?
0.2
Alkalinity mg/L
What's this?
80.0
Conductivity μS/cm
What's this?
408.0
Air temperature °C
What's this?
17.0
Water temperature °C
What's this?
17.8
Phosphates total ppm
What's this?
0.02
Qualitative
Odour
What's this?
None
Clarity
What's this?
Clear
Water Flow
What's this?
Still
Water Level
What's this?
Low
Water Colour
What's this?
Clear, Green
On the water surface
What's this?
Foam, Scum, Litter, Oily sheen, Natural debris
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
Notes
water has lots of pond weed which isnt usually there. bubbles and scum in some places. no sign of animals.
last weekend there was an iron man triathlon so 1000 people swam 2 miles in the lake!