Brighton Chalk Block Water Body
Poor overall status
Get Brighton Chalk Block data
Attributes
- Water Body IDGB40701G502500
- Water Body TypeGroundwater Body
- Hydromorphological designationnot applicable
- NGRTQ4450501701
- Groundwater area25772.003 ha
- Surface area257.72 km2
- Surveillance Water BodyNo
Classifications
| Classification Item | 2019 |
|---|---|
| Overall Water Body | Poor |
| Quantitative | Poor |
| Quantitative Status element | Poor |
| Quantitative Dependent Surface Water Body Status | Poor |
| 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
| Classification Element | Cycle | Year | Status | Outcome |
|---|---|---|---|---|
| Chemical Drinking Water Protected Area | 2 | 2015 | Poor | |
| Trend Assessment | 2 | 2015 | Upward trend | |
| General Chemical Test | 2 | 2015 | Poor |
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 | 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 | Chemical Drinking Water Protected Area | Details |
| RNAG | Diffuse source | Poor nutrient management | Agriculture and rural land management | Trend Assessment | Details |
| RNAG | Flow | Groundwater abstraction | Water Industry | Quantitative Dependent Surface Water Body Status | 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 | 2 | 0 |
| Industry | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 2 | 0 |
Objectives
| Classification Item | Status | Year | Reasons |
|---|---|---|---|
| Overall Water Body | Good | 2060 | Disproportionately expensive: Disproportionate burdens; Natural conditions: Ecological recovery time; Natural conditions: Groundwater status recovery time |
| Quantitative | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Quantitative Status element | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Quantitative Dependent Surface Water Body Status | Good | 2027 - Low confidence | Disproportionately expensive: Disproportionate burdens |
| Quantitative GWDTEs test | Good | 2015 | |
| Quantitative Saline Intrusion | Good | 2015 | |
| Quantitative Water Balance | Good | 2021 | Disproportionately expensive: Disproportionate burdens |
| Chemical (GW) | Good | 2060 | Natural conditions: Ecological recovery time; Natural conditions: Groundwater status recovery time |
| Chemical Status element | Good | 2060 | Natural conditions: Ecological recovery time; Natural conditions: Groundwater status recovery time |
| Chemical Dependent Surface Water Body Status | Good | 2015 | |
| Chemical Drinking Water Protected Area | Good | 2060 | Natural conditions: Groundwater status recovery time |
| Chemical GWDTEs test | Good | 2015 | |
| Chemical Saline Intrusion | Good | 2015 | |
| General Chemical Test | Good | 2060 | Natural conditions: Ecological recovery time |
Protected areas
| PA Name | Id | Directive | More information |
|---|---|---|---|
| Adur East (Sakeham) NVZ | S522 | Nitrates Directive | |
| Sussex Chalk | G56 | Nitrates Directive | |
| Brighton B | GWSGZ0130 | Safeguard Zone | |
| Chess Stream NVZ | S808 | Nitrates Directive | |
| Hove | GWSGZ0108 | Safeguard Zone | |
| North Falmer B | GWSGZ0118 | Safeguard Zone | |
| North Falmer A | GWSGZ0113 | Safeguard Zone | |
| FALMER | GWSGZ0104 | Safeguard Zone | |
| North Shoreham | GWSGZ0262 | Safeguard Zone | |
| Brighton A | GWSGZ0123 | Safeguard Zone | |
| North Falmer B | GWSGZ0119 | Safeguard Zone | |
| SHOREHAM | GWSGZ0151 | Safeguard Zone | |
| LEWES ROAD | GWSGZ0114 | Safeguard Zone | |
| Brighton Chalk Block | UKGB40701G502500 | Drinking Water Protected Area | |
| Hove B | GWSGZ0263 | Safeguard Zone | |
| STEYNING | GWSGZ0152 | Safeguard Zone | |
| North Falmer B | GWSGZ0120 | 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.