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Rail Noise - Octave Band Data - England Round 4

• Published by: Department for Environment, Food and Rural Affairs
• Last updated: 02 March 2026

Octave band data indicating the level of noise according to the strategic noise mapping of rail sources across England. PLEASE NOTE ALL DATA IS UNWEIGHTED The day-evening-night level (Lden) is a...

Airport Noise - All Metrics - England Round 4

• Published by: Department for Environment, Food and Rural Affairs
• Last updated: 07 April 2026

Data indicating the level of noise according to the strategic noise mapping of airport sources across England. • The day-evening-night level (Lden) is a noise indicator for overall annoyance based...

River Water Quality Monitoring 1990 to 2018 - Nitrate

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Biochemical Oxygen Demand

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - pH

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Oxygen

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrite

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Iron

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Zinc

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Zinc

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrite

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - pH

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - pH

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Soluble Phosphorus

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrite

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Iron

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrate

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Iron

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Biochemical Oxygen Demand

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Suspended Solids

• Published by: OpenDataNI
• Last updated: 08 July 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...