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Bathing Water Quality SBIR Waterford

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Bathing Water Quality SBIR Waterford

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Bathing Water Quality SBIR Waterford

  1. 1. BATHING WATERS and WATERFORD CITY & COUNTY COUNCIL Paul Carroll Scientific Officer
  2. 2. 100km 30areas 18 main areas 6designated 5Blue Flags 6Green Coast 11excellent 2Good 3Sufficient 2 Poor
  3. 3. Main pressures on water quality •Sewage discharges and emergency overflows •Storm water discharges •Urban storm runoff •Freshwater inputs (rural & agriculture)
  4. 4. CHLORINATION OF SEWAGE OVERFLOWS Chlorine Dose 10 – 20 mg/l Sample location E coli per 100 mls WW discharge before chlorination >12 X 10^6 WW discharge at manhole after chlorination 1500 Apparent % reduction > 99.9%
  5. 5. SURFACE WATER FLOWS
  6. 6. ISSUES and TECH SOLUTIONS ISSUE POSSIBLE TECH SOLUTION Getting info on beach notice-boards Electronic signs with remote access Wastewater overflows Link warning to WW SCADA Freshwater storm flows Link warning to rainfall information WW overflows & surface water Link warning to on-site conductivity 2-3 days test results Rapid test methods - on-site and local indication
  7. 7. THANK YOU ENVIRONMENT WATER SERVICES AREA TEAMS CORPORATE WATER SAFETY Chart Title • INFRASTRUCTURE • LITTER PICKING •RECYCLING •WASTE DISPOSAL •EDUCATION •LIFEGUARD MANAGEMENT •WATER TESTING •POLLUTION CONTROL •WASTEWATER OPERATIONS •TOURISM

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