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Useful Links

Environmental Regulators

Environment Agency (England and Wales)
Scottish Environment Protection Agency (SEPA)
Northern Ireland Environment Agency (NIEA)
Environmental Protection Agency for the Republic of Ireland (EPA)
European Commission (EC)
United States Environmental Protection Agency (USEPA)

Discharge to Surface Water & Groundwater


DEFRA & LC Water Framework Directive implementation - England & Wales (2014)
SI 9/2010 - EC Environmental Objectives (Groundwater) Regulations (2010)
EU Council Directive 2008/105/EC on Environmental Quality Standards (2008)


DEFRA Environmental Permitting Guidance - Water Discharge Actviities (2010) v2.0
DEFRA & EA - Discharges to surface water and groundwater: environmental permits
EPA (Ireland) Waste Water Discharge Authorisation
USEPA National Pollutant Discharge Elimination System (NPDES)

UK & Ireland Water and Sewerage Companies

Affinity Water* Hafren Dyfrdwy Severn Dee* South East Water*
Albion Water† Icosa Water† South Staffs Water*
Anglian Water Independent Water Networks† South West Water (SWW)
Bournemouth Water (SWW)* Jersey Water Southern Water
Bristol Water* Leep Utilities† Thames Water
Cambridge Water* Northern Ireland Water United Utilities
Cholderton & District Water Co.* Northumbrian Water Veolia Water†
Dwr Cymru Welsh Water Portsmouth Water* Wessex Water
Essex & Suffolk Water* Scottish Water Yorkshire Water
Eveflow Water† SES Water* Uisce Éireann: Irish Water
Guernsey Water Severn Trent Water Youlgrave Waterworks*

Drinking Water Standards & Guidelines

Water Supply (Water Quality) Regulations for England and Wales (2016)
The Public Water Supplies (Scotland) Regulations (2014)
Water Supply (Water Quality) Regulations for Northern Ireland (2017)
SI 122/2014 - EU Drinking Water Regulations (2014)
EU Council Directive 98/83/EC on Drinking Water (1998)
USEPA's National Primary Drinking Water Regulations (NPDWRs)
USEPA's National Secondary Drinking Water Regulations (NSDWRs)
WHO's Guidelines for Drinking Water Quality (GDWQ) 4th ed. inc. 1st Add. (2017)