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Environment Agency water quality monitoring station beside a UK river
Source: Environment Agency

Water Quality Monitoring Map UK

Search any UK location to check nearby water quality monitoring sites and classified water bodies before you buy, plan or develop.

Updated: periodically as source data is republished · Last checked by Maplify: July 2026

What This Layer Shows

This layer maps Environment Agency water quality monitoring sites across England — sampling locations for rivers, lakes and coastal waters — alongside Water Framework Directive (WFD) classified water bodies.

Why It Matters

Water body status is relevant to environmental screening for sites near rivers, lakes or coastal water, and can affect drainage strategy and outfall requirements for development. Environmental consultants and developers check this layer to understand the water quality context of a site before committing to a design or drainage approach.

How to Interpret the Map

Monitoring site marker

Environment Agency water quality sampling location.

Classified water body

River, lake or coastal water with a Water Framework Directive status classification.

Planning and Development Implications

Schemes affecting drainage or requiring new outfalls near classified water bodies may attract closer scrutiny under water quality and environmental protection policy. This layer supports early screening — a formal environmental assessment should be commissioned where a proposal could affect a monitored watercourse.

What to Do Next

  1. 1

    Check the Water Framework Directive status of any nearby water body.

  2. 2

    Review nearby monitoring sites and available water quality data.

  3. 3

    Commission an environmental assessment where a proposal could affect drainage into a monitored watercourse.

  4. 4

    Check the Storm Overflows and Treatment Works layers for the same site for the fuller picture.

This is general guidance, not professional or legal advice — confirm specifics with the relevant authority or a qualified professional.

Official Data Source

Publisher
Environment Agency
Dataset
Water quality monitoring sites and Water Framework Directive classified water bodies
Coverage
England
Licence
Open Government Licence v3.0
Maplify processing
Source layers are displayed exactly as published; no additional modelling is performed by Maplify

Data Freshness

Last checked by Maplify
July 2026
Last updated by source
Reviewed against the latest Environment Agency published extracts
Planned refresh frequency
Checked periodically as source data is republished

Important Limitations

  • Water quality classifications are for screening — confirm current status directly with the Environment Agency for specific decisions.
  • This map does not replace a site-specific environmental assessment for a planning application.
  • A very recent change to classification status may not yet appear if source data has not been updated.

Common Use Cases

Environmental Consultants

Scope water quality and drainage assessments near classified waters.

Property Developers

Screen sites for water quality context before committing to a drainage strategy.

Planning Consultants

Advise on likely conditions relating to environmental protection.

Related Layers

Water quality checks are commonly run alongside these related layers.

Frequently Asked Questions

What does the Water Quality Monitoring layer show?

Environment Agency water quality sampling locations for rivers, lakes and coastal waters, along with Water Framework Directive classified water bodies.

Why do developers check water quality monitoring data?

Water body status is relevant to environmental screening near watercourses, and can affect drainage strategy and outfall requirements for development close to classified waters.

What is Water Framework Directive status?

A classification of ecological and chemical status for rivers, lakes and coastal waters under the Water Framework Directive, used to track water quality improvement over time.

How often is water quality data updated?

Data is sourced from Environment Agency published datasets and is checked periodically as new extracts are published.

Check Water Quality Monitoring on Maplify

Open the map, generate a site report or save your search to come back to it later.

Dataset Details

ProviderEnvironment Agency
Geometry typePoint (monitoring sites), Line/Polygon (water bodies)
CoverageEngland
Update schedulePeriodic check against published extracts
Reference dateJuly 2026
LicenceOpen Government Licence v3.0