Massachusetts Water Resources Authority Water Supply and Source - - PowerPoint PPT Presentation

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Apr 06, 2024 197 likes •380 views

Massachusetts Water Resources Authority Water Supply and Source Water Management System Yield 860 560 MGD 260 -40 Mar-12 Jun-12 Sep-12 Dec-12 Mar-13 Monthly Yield Long-Term Average Water Supply and Source Water Management Quabbin

SLIDE 1

Massachusetts Water Resources Authority

SLIDE 2

Water Supply and Source Water Management

260 560 860 Mar-12 Jun-12 Sep-12 Dec-12 Mar-13 MGD

System Yield

Monthly Yield Long-Term Average

SLIDE 3

Water Supply and Source Water Management

20 40 60 80 100

Jan-00 Jan-02 Jan-04 Jan-06 Jan-08 Jan-10

Percent Full

Quabbin Reservoir Levels

With Drought Emergency Planning Stages

Normal Below Normal Below 25% Drought Emergency Stage 3 Below 38% Drought Emergency Stage 2 Below ~55% Drought Emergency Stage 1 Warning

SLIDE 4

Water Supply and Source Water Management

100 200 300 400

Mar-12 Jun-12 Sep-12 Dec-12 Mar-13

MGD

Water Transfers/Diversions

Quabbin to Wachusett (Transfer) Ware to Quabbin (Diversion)

SLIDE 5

Quabbin Aqueduct Tunnel Profile

SLIDE 6

Quabbin Aqueduct Tunnel

SLIDE 7

Shaft 8 – Lonergan I ntake on the Ware River

SLIDE 8

Lonergan I ntake Building

SLIDE 9

Lonergan I ntake

SLIDE 10

Lonergan I ntake Screens

SLIDE 11

Ware River Diversion

SLIDE 12

Shaft 11A Outlet and Shaft 12 Quabbin I ntake

SLIDE 13

Shaft 11A – Ware River Diversion I nto Quabbin

SLIDE 14

Water Distribution System Valves

250 500 750 1000 1250 1500

J A S O N D J F M A M J

# of valves

Main Line Valves Exercised

FY13 Target = 1,100

SLIDE 15

Water Distribution System Valves

100 200 300 400 500 600 700 J A S O N D J F M A M J

# of Valves

Blow-Off Valves Exercised

FY13 Target = 500

SLIDE 16

Deer I sland Operations

40% 43% 45% 48% 50% 53% 55% 58% 60% 3 5 8 10 13 15 18 20 23 25 28 30 J A S O N D J F M A M J % TS Destroyed

# Days Sludge Detention Time in Digesters and Total Solids Destruction

Detention Time, #Days 3 Yr Avg Detention Time, #Days Total Solids Destroyed, % 3 Yr Avg Total Solids Destroyed, %

SLIDE 17

Deer I sland Operations

75% 78% 80% 83% 85% 88% 90% 93% 95% 98% 100% 140,000 150,000 160,000 170,000 180,000 190,000 200,000 210,000 220,000 J A S O N D J F M A M J % Utilized DiGas, SCFH

Massachusetts Water Resources Authority

Water Supply and Source Water Management

260 560 860 Mar-12 Jun-12 Sep-12 Dec-12 Mar-13 MGD

System Yield

Monthly Yield Long-Term Average

Water Supply and Source Water Management

20 40 60 80 100

Jan-00 Jan-02 Jan-04 Jan-06 Jan-08 Jan-10

Percent Full

Quabbin Reservoir Levels

With Drought Emergency Planning Stages

Water Supply and Source Water Management

100 200 300 400

Mar-12 Jun-12 Sep-12 Dec-12 Mar-13

MGD

Water Transfers/Diversions

Quabbin Aqueduct Tunnel Profile

Quabbin Aqueduct Tunnel

Shaft 8 – Lonergan I ntake on the Ware River

Lonergan I ntake Building

Lonergan I ntake

Lonergan I ntake Screens

Ware River Diversion

Shaft 11A Outlet and Shaft 12 Quabbin I ntake

Shaft 11A – Ware River Diversion I nto Quabbin

Water Distribution System Valves

250 500 750 1000 1250 1500

J A S O N D J F M A M J

# of valves

Main Line Valves Exercised

FY13 Target = 1,100

Water Distribution System Valves

100 200 300 400 500 600 700 J A S O N D J F M A M J

# of Valves

Blow-Off Valves Exercised

FY13 Target = 500

Deer I sland Operations

40% 43% 45% 48% 50% 53% 55% 58% 60% 3 5 8 10 13 15 18 20 23 25 28 30 J A S O N D J F M A M J % TS Destroyed

# Days Sludge Detention Time in Digesters and Total Solids Destruction

Detention Time, #Days 3 Yr Avg Detention Time, #Days Total Solids Destroyed, % 3 Yr Avg Total Solids Destroyed, %

Deer I sland Operations

75% 78% 80% 83% 85% 88% 90% 93% 95% 98% 100% 140,000 150,000 160,000 170,000 180,000 190,000 200,000 210,000 220,000 J A S O N D J F M A M J % Utilized DiGas, SCFH

Digester Gas Production and % Utilized

Avg Daily DiGas Produced, SCFH 8 Yr Avg Daily DiGas Produced, SCFH % DiGas Utilized