Water Treatment Facility Public Involvement Meeting NTC W ausau, - PowerPoint PPT Presentation

Water Treatment Facility Public Involvement Meeting – NTC W ausau, WI March 6, 2019

Upgrade Aging Infrastructure Meter Shop 1961 (58 years old) 1974 (45 years old) 1984 (35 years old) 1999 (20 years old) | 9 |

Improve Water Quality Manganese 0.12 0.10 0.08 EPA Aesthetic Goal Total Organic Carbon of Wausau Wells 0.06 8 0.04 0.02 7 0.00 6 System (Existing) Pilot Treatment 5 (Future) Median of Surface Waters 4 Color 3 TOC RANGE OF MOST GROUNDWATERS 25 2 20 EPA Aesthetic Goal for Color 1 15 10 0 5 Well 3 Well 6 Well 7 Well 9 Well 10 Well 11 Total Organic Carbon 0 System (Existing) Pilot Treatment (Future) | 1 | Color TOC

WTP Upgrade Costs Option 1: Upgrade Existing Option 2: Build New Plant at Item Plant Improved Location Water Treatment Plant 1 $27,000,000 $35,000,000 Well & Distribution System Upgrades 2 $2,900,000 $5,900,000 Total Capital 3 $29,900,000 $40,900,000 2 Demo of existing facility and relocation of meter shop not included in Option 2 cost opinion 1 Option 2 includes distribution system modifications to connect supply wells to new water treatment plant 3 Includes engineering | 12 |

Residential Water Rate Perspective 500 Current Rate 450 Option 1 400 Option 2 350 Annual Water 300 Fee 250 ($/yr) 200 150 100 50 0 All users at 37,300 gpy | 22 | ~$6.00/mo increase ~$7.50/mo increase

Legend Parcels Section Lines/Numbers Right Of Ways Notes Map Created: 3/6/2019 DISCLAIMER: The information and depictions herein are for informational purposes and Marathon County-City of Wausau specifically disclaims accuracy in this reproduction and specifically admonishes and advises that if specific and precise accuracy is required, the same should be determined by procurement of certified maps, surveys, plats, Flood Insurance Studies, or other official 100.00 0 100.00 Feet means. Marathon County-City of Wausau will not be responsible for any damages which result from third party use of the information and depictions herein or for use which ignores this warning. THIS MAP IS NOT TO BE USED FOR NAVIGATION NAD_1983_HARN_WISCRS_Marathon_County_Feet

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Water Treatment Plant Renderings Wausau, WI

Decision Point A decision between site alternatives will facilitate scoping and kick-off of next key phase of implementation plan | 23 |