The Water Framework Directive is a piece of European legislation that states that all UK waterbodies (rivers, lakes, seas) must be in ‘good ecological status’ by 2027.
| Waterbody | Overall Waterbody Classification | Reasons for Failure | Hydromorphological Supporting Elements | Supporting Elements (Surface Water) | |
| Lea from Luton Hoo Lakes to Hertford | Moderate | Phosphate (Poor) | Hydrological Regime | Supports Good | Not Assessed |
