VILLAGE OF LIBERTYVILLE SPECIAL WORKSHOP MEETING. Wednesday, September 13, W. Church Street Libertyville, IL :00 p.m.

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1 VILLAGE OF LIBERTYVILLE SPECIAL WORKSHOP MEETING Wednesday, September 13, W. Church Street Libertyville, IL :00 p.m. 1) Roll Call 2) Town Hall Meeting: July 2017 Flood and Storm Water Management 3) Adjournment Please note: This notice is posted in accordance with the Illinois Open Meetings Act, to provide public notice of the anticipated attendance and participation in a workshop by a majority of a quorum of the Board of Trustees of the Village of Libertyville. The meeting is an opportunity to share information and to hear viewpoints from citizens. Any individual who would like to attend this meeting, but because of a disability needs some accommodation to participate, should contact the ADA Coordinator at 118 West Cook Avenue, Libertyville, Illinois (847) Assistive listening devices are available.

2 Town Hall Meeting September 13, 2017

3 July, 2017 Flood Summary: Recent Intense Storm Events July 24, inches in 6 hours July 12, inches in 12 hours August 28, inches in 2 hours July 12, 2017 Storm Event considered a 130 year flood event (0.8% chance of occurring in a given year)

4 July, 2017 Flood Summary: Storm sewer infrastructure was not designed to handle the volume and duration of rain Storm sewer pipes reached capacity and overland flood routes were overwhelmed, had too much surface drainage, or were obstructed Not enough conveyance and storage for major storm events

5 July, 2017 Flood Summary: Widespread Local Drainage System Flooding and Des Plaines River Flooding Flooded commercial and residential structures Flooded roadways Flooded yards Stormwater inflow into the sanitary sewer system Surcharge of the sanitary sewer system July, 2017 Post Storm Village Flood Survey More than 400 flooding reports 97 flood questionnaires completed Door-to-door damage assessments to obtain flood report for IEMA/FEMA 2500 addresses visited Residents not visited were asked to contact Village Similar Severe Flooding throughout Lake County

6 July, 2017 Flood Summary: Initial flooding caused neighborhood flooding in streets Volume overwhelmed the storm sewer and drainage systems Older neighborhoods with older systems Neighborhoods near retention/detention ponds and Des Plaines River overflowed due to volume

7 Capacity Overflow Examples Sanitary Sewer Surcharge- capacity overflow Water overflow into homes

8 Capacity Overflow Examples Intersection of Crane and Drake Ames Street

9 Capacity Overflow Examples West Ellis Avenue Butler Lake Fishing Pier Area

10 Capacity Overflow Examples Butterfield Road West Ellis Avenue Lake Minear Claridge Drive

11 Capacity Overflow Examples Sandstone Drive

12 Capacity Overflow Examples Fourth Ave. and Meadow Lane Ames Street

13 Over 400 structures were estimated to have incurred flood damage Excessive amount of ground water (infiltration) and inflow (runoff) caused back-ups in sanitary sewer systems Village s wastewater treatment plant received 10 times more than normal flow which was 35 million gallons (normal flow is 3.5million gallons)

14 Capacity Overflow Examples Village Wastewater Treatment Plant

15 July, 2017 Flood Response: Public Works staff initial response at 2:30 a.m. Crews worked from 4 a.m. to 8 p.m. on July 12th Call center opened and employees moved to accept calls and virtually all Village employees worked on flood-related issues During the Initial Flooding Period 175 Public Works service requests 61 Police Storm-related service calls 51 Fire Storm-related service calls 6000 sand bags filled

16 July, 2017 Flood Response: Village arranged special curbside garbage pick-up July 15th and July 22nd Notices door-to-door to impacted neighborhoods 5100 cubic yards were collected over 2 weeks for a cost of $96,900 Village submitted $176,500 of flood-related costs to IEMA

17 July, 2017 Flood Response: Phone calls to residents, website updates and social media posts July 25, 2017 Approved a building permit fee waiver for flood related repairs 24 waivers granted to date waivers available through January, 2018 ($0 building permit fees)

18 July, 2017 Flood Response: Continued work with Lake County EMA and IEMA to collect damage impact data Governor Rauner declared four counties a disaster area For federal disaster assistance, total public damage from this storm in Illinois, needs to be at $18.3 million Lake County EMA has reported the total was determined to be $10.7 million (significant damage to Lake Forest Hospital was excluded by FEMA)

19 July, 2017 Flood Response: Libertyville will not qualify for public assistance reimbursement FEMA is still reviewing Governor Rauner s request for individual assistance Assessment teams were on-site to determine the damage If the Governor s request is approved, individuals may be eligible for grants and low-interest SBA (Small Business Administration) loans based on income requirements

20 July, 2017 After Storm Follow-Up: On-site communications directly to severely flooded neighborhoods Enhance information regarding North Shore Gas and ComEd service shut-offs Coordinate social media posts Resources to residents (financial, social etc.) Continue on-site meetings for hard-hit areas

21 Village Board invests in new sand-bagging equipment and supplies A new sandbag policy will be reviewed and adopted including mapping and established guidelines More staff now trained in FEMA/IEMA property inspection protocols and experienced in flood damage assessment Culvert repair is completed on Winchester Road

22 Stormwater Master Plan Details Stormwater Infrastructure needs investment A prioritized plan is critical to spend Village resources in the most efficient and cost effective manner as possible The Stormwater study will prioritize the projects as a whole to develop a multi-year plan The 15-month study began before the July flood event

23 Stormwater Master Plan Details Engineer: Christopher B. Burke Engineering, Ltd Scope: Collect flood Information from residents and Village Hydraulic analysis of existing drainage system Development of flood risk reduction projects Prioritize flood risk reduction projects Master Plan with findings and recommendations Study Timeline: Approximately 15 Months (see next slide) Project was awarded in May, 2017 Product: Report with prioritized roadmap for specific flood reduction projects in the Village with cost estimates.

24 Stormwater Master Plan Details

25 Lake County Stormwater Ordinance In December, 2015 the Village adopted the updated Lake County Stormwater ordinance Enhanced the ordinance with Appendix P: Inundation (flooding) limits are used for permit reviews in the Highland subdivision to treat new development as if it is located in the floodplain to strengthen requirements New requirements for storm water detention for all permits that involve impervious increases over 200 sq. feet, if not being served by a detention facility

26 What maintenance can be done now? Continue to analyze Inflow and Infiltration (I & I) Sources Cleaning of sewers, televising sewers dye testing to find leaks Smoke test system and consider requirements to encourage homeowner s to repair I & I sources Find new capital resources for funding projects (outside funds, grants, rates etc.)

27 Implementation Determine a dedicated funding source to increase stormwater maintenance and capital improvements Stormwater Utility Fee (dedicated Fund)? Increase Existing Sewer Fees Stormwater specific Tax Levy County/State cost-sharing grants Property Tax Referendum

28 Sanitary Sewer Back-ups Overhead Sanitary Sewer conversion in the residence can assist with protection from sanitary sewer backups in the home

29 Flood Insurance Questions Paul Osman Statewide Floodplain Programs/ National Flood Insurance ProgramIllinois Office of Water Resources

30 Income Tax Information Peter Kakenmaster CPA, Kakenmaster & Associates

31 Property Tax Assessment Peggy Friese Libertyville Township Assessor

32 Public Comment Public comment is the time period to share your comments and questions. Please limit your comments to five (5) minutes so that everyone has the opportunity to speak. Thank you