Waterloo Lake : Concrete Ramp by the dam outlet : Roundhay Park :Waterloo Lake

Leeds, Leeds, United Kingdom

Observed by
Mary Clayton

Observed on: Mon, 28 Jul 2025 10:00:00 +0100
Associated with:
Roundhay Environmental Action Project and Friends of Roundhay Park : Roundhay Freshwater Watch
Lat: 53.8315952
Lng: -1.4935613

Observation report

Pending Quality Check from Water Rangers What's this?

pH (0-14) 8.4

Dissolved oxygen mg/L 8.0

Chlorine ppm 0.25

Hardness mg/L 150.0

Nitrates ppm 0.35

Alkalinity mg/L 80.0

Conductivity μS/cm 446.0

Air temperature °C 24.0

Water temperature °C 20.9

Phosphates total ppm 0.04

Algae Yes

Clarity Cloudy

Pollution Other

Algae Type Attached, Not sure

Water Flow Still

Water Uses Other

Water Level Average

Water Colour Brown

On the water surface Natural debris

Current weather

Weather in previous 24 hours

Litter on lakeside perhaps from the ironman event.