water master plan update

City of College Station Water Master Plan Update

March 10th, 2016

City Council Workshop

Agenda

• Population Projections

• Demand Projections

• Water System Analyses

• Water System Capital Improvements Plan

• Questions

Population Projections

City of College Station Water Service Area is Fixed:

Population Projections Based on Comprehensive Plan

*Capital Plan Based on Expected Densities

Population Projections of Water Service Area Only:

Year Population

2014 86,966

2019 98,394

2024 111,324

Buildout 152,921

Water Demand Projections - ANNUAL

Water Demand Projections – MAX DAY

Water Model Development

• Allows us to predict water demand under future development

• Model updated based on GIS data

• 24-hour extended period simulation calibration

• Field pressure testing

• Very good calibration results

8

New Lower Pressure Plane

• New Lower Pressure Plane (LPP) is recommended to:– Decrease excessive high pressures in existing system

– Reduce high water age that leads to water quality issues

– Improve existing system elevated tank operation

• Projects required for LPP:– 3.0 MG elevated tank

– Pressure reducing valves

– Pipelines along eastside of SH 6

9

Water System Capital Improvements Plan - Capacity Driven Projects

Water System Capacity Capital Improvements Plan

Water System Capital Improvements Plan - Renewal

Questions?