Sewage Map

Nidd at the Lido, Knaresborough water quality and sewage map

Nidd at the Lido, Knaresborough is a designated river bathing water in Yorkshire. Its 2025 classification is Poor. 15 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
15
Outlets within 3 km
15
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.

Check official bathing-water advice ↗How to read the evidence

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.

YearClassification
2025Poor
2024Poor
2023Not available
2022Not available
2021Not 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 Nidd at the Lido, Knaresborough, 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 10 of 15 outlets

Open full map
  • Abbey Mill/CSO

    Yorkshire Water · River Nidd

    Current status unknown
    2025 annual record:0spills0hours
  • Manse Lane 57/CSO

    Yorkshire Water · River Nidd

    Current status unknown
    2025 annual record:59spills199.5hours
  • Cragg Top/CSO

    Yorkshire Water · River Nidd

    Current status unknown
    2025 annual record:11spills106hours
  • Spital Croft/CSO

    Yorkshire Water · River Nidd

    Current status unknown
    2025 annual record:21spills42hours
  • Knaresborough/STW

    Yorkshire Water · The River Nidd

    Current status unknown
    2025 annual record:38spills379.5hours
  • Abbey Road/No 2 CSO

    Yorkshire Water · River Nidd

    Current status unknown
    2025 annual record:19spills48.8hours
  • Waterside 48/CSO

    Yorkshire Water · Mill Stream

    Current status unknown
    2025 annual record:24spills42.8hours
  • Waterside 47/CSO

    Yorkshire Water · Mill Stream

    Current status unknown
    2025 annual record:28spills59.8hours
  • Waterside 49/CSO

    Yorkshire Water · River Nidd

    Current status unknown
    2025 annual record:16spills14.3hours
  • Boroughbridge Road/CSO

    Yorkshire Water · Frogmire Dyke

    Current status unknown
    2025 annual record:5spills2.5hours

Before you visit

  1. Open the official bathing-water profile for current advice.
  2. Read local signs and check local conditions.
  3. 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 Nidd at the Lido, Knaresborough

15 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.

Sources and dates

Bathing-water file updated 6 July 2026. Source checked 9 September 2026. Outlet spill figures refer to 2025. Monitoring reference: UK08903. © Environment Agency copyright and/or database right 2015. All rights reserved. Used under the Open Government Licence v3.0.

Environment Agency monitoring locationsAll sourcesReport pollution

Questions about Nidd at the Lido, Knaresborough

Is Nidd at the Lido, Knaresborough 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 Nidd at the Lido, Knaresborough 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 Nidd at the Lido, Knaresborough 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 Nidd at the Lido, Knaresborough?
15 outlet records fall within 3 km of the monitoring point. The nearest is Abbey Mill/CSO, about 0.1 km away. Distance alone does not show whether an outlet affects this water.
Which outlets near Nidd at the Lido, Knaresborough are linked to a live feed?
15 of the 15 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.