Folly Brook/Dollis Brook
London, Barnet, United Kingdom
Location created by
Alistair Young
- Group: Thames21 : Brent Catchment Water Quality Working Group
- Lat: 51.624755
- Lng: -0.2022708
- Waterbody Type: River
- Timezone: Europe/London
Latest photos
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2025-06-22
Large sections of the brook were completely dry. Water was too low for riverfly monitoring due to...
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2025-05-16
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2025-04-16
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2025-03-15
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2025-02-14
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2025-01-17
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2024-12-28
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2024-11-29
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2024-10-27
Folly Brook/Dollis Brook : Darlands Lake (Downstream)
Observed on
2024-09-16
The Hanna checker for Ammonia was FLASHING 3.00 - this actually shows the reading is ABOVE 3.00.