ScotlandScotland

Waste Water TreatmentWaste Water Treatment

• Cities – Glasgow and EdinburghCities – Glasgow and Edinburgh

• Coastal Area - LossiemouthCoastal Area - Lossiemouth

• Rural Areas - ObanRural Areas - Oban

Cities – Glasgow - IntroCities – Glasgow - Intro

• Scotland’s Largest Urban AreaScotland’s Largest Urban Area

Cities – Glasgow - HistoryCities – Glasgow - History

• 19 century 19 century - High Population Density- High Population Density

- Industry - Industry

• Water supply - 30 Wells (Including Water supply - 30 Wells (Including Private)Private)

• Disease – CholeraDisease – Cholera

Cities – Glasgow - SolutionCities – Glasgow - Solution

• 1859 – Loch Katrine 1859 – Loch Katrine

Cities – Glasgow – Loch Cities – Glasgow – Loch KatrineKatrine

• Supplies Treatment Works at Supplies Treatment Works at MilngavieMilngavie

• Still in Use TodayStill in Use Today

• EU Directives Motivate £120m EU Directives Motivate £120m upgradeupgrade

Cities – Glasgow - Cities – Glasgow - ModernisationModernisation

• Commissioning of the New Commissioning of the New 240,000m³/day Direct Filtration Plant 240,000m³/day Direct Filtration Plant

Cities – Edinburgh - IntroCities – Edinburgh - Intro

• Scotland’s Capital CityScotland’s Capital City

Cities Edinburgh – The Cities Edinburgh – The beginningbeginning

• 1621 – Steps to Pipe Water to 1621 – Steps to Pipe Water to EdinburghEdinburgh

• 1676 – Finally Water Pumped to 1676 – Finally Water Pumped to Homes and Businesses Homes and Businesses

• 1875 – 1885 First Treatment Plant 1875 – 1885 First Treatment Plant Built (Alnwickhill - Slow Sand Built (Alnwickhill - Slow Sand Filtration)Filtration)

Cities – Edinburgh - Cities – Edinburgh - DevelopmentDevelopment

• From 1900 till 2000 Edinburgh’s From 1900 till 2000 Edinburgh’s Population Grown by 100 000 Population Grown by 100 000

• Ageing of Existing FacilitiesAgeing of Existing Facilities

• Need for massive investment – Need for massive investment – Consultation process (2006)Consultation process (2006)

Coastal – Lossiemouth - Coastal – Lossiemouth - IntroIntro

• Natural BeautyNatural Beauty

Coastal – Lossiemouth - Coastal – Lossiemouth - HistoryHistory

• 2005 – Existing Facilities Discharge 2005 – Existing Facilities Discharge WW Directly into the Sea.WW Directly into the Sea.

• PollutionPollution

• EU – “EU – “Urban Wastewater Treatment Urban Wastewater Treatment Directive “Directive “

Coastal – Lossiemouth – Coastal – Lossiemouth – DevelomentDeveloment

• Construction of 3 New WWTP Construction of 3 New WWTP FacilitiesFacilities

• New Sludge Treatment WorksNew Sludge Treatment Works

• Network of New SewersNetwork of New Sewers

Coastal – Lossiemouth - Coastal – Lossiemouth - WWTPWWTP

• Aerated Sequential Batch Reactors Aerated Sequential Batch Reactors (SBR)(SBR)

Coastal – Lossiemouth - Coastal – Lossiemouth - SludgeSludge

• Oakland Wood Oakland Wood Plant (10 000 Plant (10 000 M^3/day)M^3/day)

• Grade A Bi-Product Grade A Bi-Product Used to Produce Used to Produce Agricultural Agricultural FertiliserFertiliser

Coastal – Lossiemouth - Coastal – Lossiemouth - NetworkNetwork

• Major Focus of the DevelopmentMajor Focus of the Development

Rural – Oban - IntroductionRural – Oban - Introduction

• A Particularly Scottish ProblemA Particularly Scottish Problem

Rural – Oban – The MIDGERural – Oban – The MIDGE

• Scottish Biting InsectScottish Biting Insect

Rural – Oban - WWRural – Oban - WW

• Seasonal breeding of the MIDGESeasonal breeding of the MIDGE

• Blocked Filter at One WWTPBlocked Filter at One WWTP

• MIDGE Larve in the Water SupplyMIDGE Larve in the Water Supply

Rural – Oban - SolutionRural – Oban - Solution

• Addition of Chlorine Addition of Chlorine

• BackwashBackwash

Questions?Questions?