Vale of White Horse Chalk Water Body
Poor overall status
Get Vale of White Horse Chalk data
Attributes
- Water Body IDGB40601G601000
- Water Body TypeGroundwater Body
- Hydromorphological designationnot applicable
- NGRSU3025186994
- Surface area270.257 km2
- Surveillance Water BodyNo
- Groundwater area27025.689 ha
Classifications
| Classification Item | 2019 |
|---|---|
| Overall Water Body | Poor |
| Quantitative | Good |
| Quantitative Status element | Good |
| Quantitative Dependent Surface Water Body Status | Good |
| Quantitative GWDTEs test | Good |
| Quantitative Saline Intrusion | Good |
| Quantitative Water Balance | Good |
| Chemical (GW) | Poor |
| Chemical Status element | Poor |
| Chemical Dependent Surface Water Body Status | Good |
| Chemical Drinking Water Protected Area | Poor |
| Chemical GWDTEs test | Good |
| Chemical Saline Intrusion | Good |
| General Chemical Test | Poor |
| Supporting elements (Groundwater) | |
| Prevent and Limit Objective | Active |
| Trend Assessment | Upward trend |
Investigations into classification status
No data to show
Reasons for not achieving good (RNAG) and reasons for deterioration (RFD)
All reasons (RFDs and RNAGs) attributed to the classification elements in this water body.
| Reason Type | SWMI | Activity | Category | Classification Element | More information |
|---|---|---|---|---|---|
| RNAG | Point source | Landfill leaching | Industry | General Chemical Test | Details |
| RNAG | Diffuse source | Poor nutrient management | Agriculture and rural land management | General Chemical Test | Details |
| RNAG | Diffuse source | Poor nutrient management | Agriculture and rural land management | Trend Assessment | Details |
Reasons for not achieving good status by business sector
The issues preventing waters reaching good status and the sectors identified as contributing to them. The numbers in the table are individual counts of the reasons for not achieving good status with a confidence status of 'confirmed' and 'probable', where the latest classification is less than good status. There may be more than one reason in a single water body. Note, table does not include reasons for deterioration.
| Significant water management issue | Physical modifications | Pollution from waste water | Pollution from towns, cities and transport | Changes to the natural flow and level of water | Invasive non-native species | Pollution from rural areas | Pollution from abandoned mines |
|---|---|---|---|---|---|---|---|
| Agriculture and rural land management | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Industry | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Mining and quarrying | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Navigation | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Urban and transport | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Water Industry | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Local & central government | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Domestic general public | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Recreation | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Waste treatment and disposal | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No sector responsible | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sector under investigation | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
Objectives
| Classification Item | Status | Year | Reasons |
|---|---|---|---|
| Overall Water Body | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Quantitative | Good | 2015 | |
| Quantitative Status element | Good | 2015 | |
| Quantitative Dependent Surface Water Body Status | Good | 2015 | |
| Quantitative GWDTEs test | Good | 2015 | |
| Quantitative Saline Intrusion | Good | 2015 | |
| Quantitative Water Balance | Good | 2015 | |
| Chemical (GW) | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Chemical Status element | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Chemical Dependent Surface Water Body Status | Good | 2015 | |
| Chemical Drinking Water Protected Area | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Chemical GWDTEs test | Good | 2015 | |
| Chemical Saline Intrusion | Good | 2015 | |
| General Chemical Test | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
Protected areas
| PA Name | Id | Directive | More information |
|---|---|---|---|
| South Wessex | G151 | Nitrates Directive | |
| Cholsey Brook and tributaries NVZ | S467 | Nitrates Directive | |
| Berkshire Downs | G87 | Nitrates Directive | |
| Thames (Churn to Coln) NVZ | S457 | Nitrates Directive | |
| Summerham Bk - Poulshot Str to conf Semington Bk NVZ | S565 | Nitrates Directive | |
| Little Wittenham | UK0030184 | Special Area of Conservation | Natural England |
| Thames Wallingford to Caversham NVZ | S481 | Nitrates Directive | |
| THAMES (LEACH TO EVENLODE) NVZ | S482 | Nitrates Directive | |
| Ock and tributaries (Land Brook confluence to Thames) NVZ | S681 | Nitrates Directive | |
| Ginge Brook and Mill Brook NVZ | S469 | Nitrates Directive | |
| Tuckmill Brook and tributaries NVZ | S456 | Nitrates Directive | |
| R Marden - source to conf Abberd Bk NVZ | S562 | Nitrates Directive | |
| Willow Brook (Bristol Avon and North Somerset) NVZ | S819 | Nitrates Directive | |
| Cowage Bk - conf unnamed trib to conf R Marden NVZ | S571 | Nitrates Directive | |
| Brinkworth Bk- Hancocks Wtr to conf R Avon (Brist) NVZ | S575 | Nitrates Directive | |
| Moor Ditch and Ladygrove Ditch NVZ | S468 | Nitrates Directive | |
| MANOR ROAD (WANTAGE) | GWSGZ0192 | Safeguard Zone | |
| Mill Brook and Bradfords Brook system, Wallingford NVZ | S682 | Nitrates Directive | |
| Shepherds Shore | GWSGZ0254 | Safeguard Zone | |
| Vale of White Horse Chalk | UKGB40601G601000 | Drinking Water Protected Area | |
| Cherhill | GWSGZ0297 | Safeguard Zone |
Monitoring sites which have been used to classify this water body
Shows which sites were used for classification for which years within each cycle.