Page 21 - Water Pollution Management - Management Plans - Understanding your Risk

Keep Moat Homes - Surface water management plan

Site features likely to indicate a high pollution risk rating

• Water course within 100 metres of site boundary

• Discharge from site flows directly into a water course or surface water drainage network

• Water course contains visible aquatic life (fish etc) or has been assessed as environmentally sensitive

• Soils investigation identifies clay (impermeable materials)
How many positive answers
• Site exposed, or at high altitude or steep gradient does your site get?

• Rainfall prediction in location >1600 mm/year

• Historical evidence indicates site suffers from seasonal flooding 0 Low Risk
1 - 7 Medium Risk
• Protected Areas (SSSI, national park etc) located within 500 m downstream 8+ High Risk

• Groundwater level detected at installed pipe-work depths

• Likely volumes of temporary discharge will exceed those designed for the final discharge consent

• Local water course used as local amenity (fishing, boating, swimming)

• Construction Program identifies that final discharge point will not be available in less than 3 months

• Treatment of water discharge is likely to be required to achieve the quality standard of acceptability

• Consortium site with shared collection and discharge outlets

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