Derwent Water at Crow Park water quality and sewage map
Derwent Water at Crow Park is a designated lake bathing water in Cumbria and Lancashire. Its 2025 classification is Poor. 7 sewage outlet records sit within 3 km of the monitoring point. Check the official advice before entering the water.
- Poor
- 2025 classification
- 2,024
- Designated since
- 7
- Outlets within 3 km
- 7
- Linked to a live feed
The annual classification is Poor. Open the official profile for advice and management measures. The annual class is not a live test. The bathing-water point is an approximate official monitoring location, and 3 km is a straight-line search.
Annual classification history
The rating was Poor in 2025, the same as in 2024. A change between annual classes does not describe conditions today. A missing class stays unknown, and a newly designated site may not have a full history.
| Year | Classification |
|---|---|
| 2025 | Poor |
| 2024 | Poor |
| 2023 | Not available |
| 2022 | Not available |
| 2021 | Not available |
Sewage outlets within 3 km
Filter by the latest company report. The map follows the filters. This is a location search, not a list of outlets proven to affect Derwent Water at Crow Park, and it does not include every possible source of pollution.
Filters apply to the map and list. Recent stops need a current report and a recorded stop time. They do not show whether water is safe.
Showing 7 of 7 outlets
Open full map- Rawnsley Hall PS (AKA Greta Grove)Current status unknown
United Utilities · The River Greta
2025 annual record:54spills62.6hours - Penrith RoadCurrent status unknown
United Utilities · River Greta
2025 annual record:0spills0hours - Thick Riggs CSOCurrent status unknown
United Utilities · River Derwent
2025 annual record:6spills9.3hours - Lattrigg CloseCurrent status unknown
United Utilities · River Greta
2025 annual record:1spill0.1hours - Portinscale SPSCurrent status unknown
United Utilities · Pow Beck
2025 annual record:119spills557.9hours - A591/Bus Shelter CSOCurrent status unknown
United Utilities · Applethwaite Gill
2025 annual record:72spills551.2hours - KESWICK WwTWCurrent status unknown
United Utilities · River Derwent
2025 annual record:77spills907hours
No outlets match these filters.
Before you visit
- Open the official bathing-water profile for current advice.
- Read local signs and check local conditions.
- Use the Swim Healthy guidance to reduce open-water risks.
Designation and a map point do not establish parking, lifeguard cover, access or a safe route. A stopped overflow report does not mean that the bathing water is safe.
All outlet records within 3 km of Derwent Water at Crow Park
7 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- A591/Bus Shelter CSOApplethwaite Gill · 72 spills in 2025
- KESWICK WwTWRiver Derwent · 77 spills in 2025
- Lattrigg CloseRiver Greta · 1 spill in 2025
- Penrith RoadRiver Greta · 0 spills in 2025
- Portinscale SPSPow Beck · 119 spills in 2025
- Rawnsley Hall PS (AKA Greta Grove)The River Greta · 54 spills in 2025
- Thick Riggs CSORiver Derwent · 6 spills in 2025
Sources and dates
Bathing-water file updated 6 July 2026. Source checked 9 September 2026. Outlet spill figures refer to 2025. Monitoring reference: UK45800. © Environment Agency copyright and/or database right 2015. All rights reserved. Used under the Open Government Licence v3.0.
Questions about Derwent Water at Crow Park
- Is Derwent Water at Crow Park safe to swim in today?
- This page cannot answer that. The annual classification describes a longer-term record, and an outlet report describes monitor activity at one outlet. Check the official bathing-water profile, local signs and current conditions before entering the water.
- What does the Derwent Water at Crow Park classification mean?
- The annual classification is Poor. Open the official profile for advice and management measures. The Environment Agency sets the class from water samples taken over several bathing seasons, not from a single visit.
- Has the water quality at Derwent Water at Crow Park changed?
- The rating was Poor in 2025, the same as in 2024. We hold standard classifications for 2 years, from 2024 to 2025. The table above lists every year in the record.
- Are there sewage outlets near Derwent Water at Crow Park?
- 7 outlet records fall within 3 km of the monitoring point. The nearest is Rawnsley Hall PS (AKA Greta Grove), about 0.9 km away. Distance alone does not show whether an outlet affects this water.
- Which outlets near Derwent Water at Crow Park are linked to a live feed?
- 7 of the 7 nearby records are matched to a monitor in a company live feed. A link does not mean the monitor is working now. Use the status filters above to check the latest report and its date. A stopped report does not mean the bathing water is safe.