Stormwater Information Timeline

April 24, 2016 Stormwater Subcommittee Meeting

The Park District suggested some ideas concerning the valve and construction schedule at York Commons and the re-sequencing of events for the IGA for Golden Meadows. The City's representatives were receptive to the ideas and the Park Board subcommittee, staffs, engineers and attorneys from both agencies will continue their efforts in reviewing these ideas. 

April 13, 2016 Park Board Meeting

Stormwater Management Discussion

Executive Director Rogers updated the Board on stormwater discussions with the City of Elmhurst.  The 95% completion plans for the York Commons Park detention basin were received and are being reviewed by the District’s Stormwater Subcommittee and engineering firm.  On April 20, the City will hold an Open House for the community to review the proposed plans.  A project schedule will be drafted by the City.  The City was reminded that maintaining a safe park for users is the utmost concern to the District as thousands of people utilize the park and pool during the summer.  

At the March 24, 2016 stormwater meeting, the City requested the Park Board reconfirm the status of the other three parks under consideration (East End, Crestview, and Wild Meadows Trace).  Rogers informed the City, that the District is not interested in considering the use of those sites without first considering further improvements to the parks that could also facilitate the construction of stormwater basins.  The City is not interested in considering other options for those sites if those options involve increased costs in order to preserve open space.  Commissioner Spaeth stated that the City should consider all other options before using park space as the detention basins in those three parks would provide relief to only 11 homes.  Altogether, the number of homes relieved from stormwater flooding between all five proposed detentions is 71 homes.  Board consensus was to prevent homes from flooding while preserving green space for the community; therefore, other means must be found to achieve the goal of flood relief.  Executive Director Rogers will reiterate the Board’s stance on the issue at the next stormwater meeting on April 28, 2016.

Commissioner Spaeth recalled that originally there were 11 or 12 homes near East End Park that would be relieved of stormwater flooding, but since then the City has bought 5 of the homes.  Building a stormwater detention on those properties can relieve flooding for surrounding homes in the area.  The acquisition of those properties is a positive solution that does not involve the use of Illinois Department of Natural Resources (IDNR) property. 

Executive Director Rogers summarized the Golden Meadows intergovernmental agreement provided to the Board in draft form.  According to the agreement, the City will approach IDNR to allow for the District to deed the west portion of Golden Meadows to the City to build a stormwater basin, while the District seeks replacement property.  The unknown is whether or not the District will find replacement property in close comparison (value, acreage, and recreational usefulness) to the existing space and acceptable to IDNR.  If the Golden Meadows property is appraised at $1 million, then the City would fund up to 1.5 times the value. If the only replacement property that the District can find costs $3 million, the City would fund $1.5 million dollars and the District would be responsible for the balance of $1.5 million.  Rogers reviewed other highlighted points in the IGA including the appraisal process, tree replacement, easements, escrow funds, approval of construction plans, environmental status, construction schedules, maintenance and repairs, and termination of contract. 

Rogers also presented to the Board a flowchart proposing the re-sequencing of events in the IGA that need to take place in order to streamline and expedite the processes of approaching IDNR and completing the construction of the detention basin.  The Board concurred with Rogers’ suggestion that the City be permitted to conduct an environmental investigation before the IGA is signed. Commissioner Ubriaco stated that the District is always looking for ways to make the process move quicker.

March 23, 2016 Park Board Meeting

Stormwater Subcommittiee Report

The City has continued to work on developing a draft IGA for the use of Golden Meadows Park for a stormwater detention basin.  The City’s Public Works Committee met on March 14; the City Council then approved the IGA on March 21. The District received a copy of the IGA on March 22 and forwarded it to the District’s attorney and stormwater subcommittee to begin the reviewing process.

March 24, 2016 Stormwater Subcommittee Meeting

ISSUE

The stormwater subcommittee met with the City on Wednesday, March 24 in Council Chambers with public present to continue discussions concerning the City’s request to use park property for stormwater detention.

DISCUSSION

Five residents attended the meeting and one spoke during public comment.  All five sites under consideration were discussed.

As regards York Commons, the City noted that once the design of the valve was complete, the park district would be receiving the 95% plans (those plans were subsequently received on March 30 and are being reviewed by the Park Board’s subcommittee and by Greg Wolterstorff of V3).  The City announced that they will hold an Open House on the project, as required by the intergovernmental agreement, on April 20 from 4-6 p.m.. and the Park District will participate.  In addition, the timeline for the project was discussed as it is apparent the work will not be able to be completed prior to Smalley Pool opening for the summer.  The City is working on a proposed schedule for the project; the Park District made it clear that safety will be the utmost concern when considering the schedule as thousands of people utilize the park and pool during the summer.

Golden Meadows was next on the agenda. However, as was noted at the Park Board’s March 23 meeting, the City Council approved the terms of the draft IGA on March 21 and the Park District received a copy of it the following day; as a result not much conversation took place.  The Park  Board’s subcommittee, staff and Andrew Paine of Tressler are now in the midst of reviewing the document. 

Lastly, after much discussion City officials requested that the Park District reconfirm the status of the other three parks under consideration (East End, Crestview and Wild Meadows Trace).  Whereas the Park District is not interested in considering the use of those sites for detention without first considering alternative stormwater improvements including underground storage, the City is not interested in considering other options for those sites if they involve increased costs in order to preserve open space.  The following statement was once again shared by the Park District, : “At this point in time, the Park Board is not interested in encumbering additional open space with detention basins to provide relief for approximately 11 remaining homes that would be impacted.  However…the District believes that Park and City staff should discuss alternative ideas for three sites, similar to those the City has already utilized.” 

The next subcommittee meeting will be held Thursday, March 28, 2016 at 7:00 p.m.. at City Hall.

March 9, 2016 Park Board Meeting

COMMITTEE REPORTS

Stormwater Subcommittee – Graf, Spaeth, RogersOn February 22, Board President Ubriaco signed the intergovernmental agreement for the York Commons Park stormwater detention.   V3 engineer, Greg Wolterstorff conducted a peer review of the 65% completion plans, which the subcommittee reviewed and returned to the City on February 29.  Per the IGA, the next version of plans will be reviewed at 95% completion.  The engineer made 19 comments from his peer review, the City is currently addressing those comments.  

The Public Works Committee will discuss the terms of the draft IGA for Golden Meadows at its March 14 meeting and anticipates passing it on for discussion and approval of the terms to the City Council for their March 21 meeting.  Commissioner Spaeth suggested the progression of negotiations with the City be posted on the District’s website for public review.  

February 24, 2016 Park Board Meeting

Stormwater Management

Executive Director Rogers stated that on February 16, 2016, the City Council approved the Intergovernmental Agreement (IGA) for the York Commons detention basin with a shut-off valve by a vote of 13:1.  The City Council also approved an amendment to their resolution authorizing the IGA and clarifying that the shut-off valve was being approved to satisfy the District’s desires even though their expert engineer finds it an unnecessary component to the detention basin.  The amended resolution does not impact the IGA.  V3 Engineering emailed a draft peer review letter of the York Common plans, which the stormwater subcommittee will review and report back to the Board.  

A draft of an IGA for Golden Meadows was discussed at the City’s Public Works Committee (Committee) meeting on February 22. The Committee anticipated presenting the IGA to the City Council on March 7, but had additional questions and proposed conducting due diligence.  The Committee questioned whether compensation would be reduced should the site contain soil contamination, how much escrow is needed – the appraised value or the full 1.5 times the appraised value, and if the Park District was willing to approach the Illinois Department of Natural Resources (IDNR) prior to reviewing the IGA to gauge IDNR’s response to an escrow account for a future land purchase for the conversion of Golden Meadows Park.  The Committee will continue its discussions at its next meeting, after which the IGA will go to the City Council for review.  The draft IGA for Golden Meadows has been posted on the City’s website, but it will not go to the Park District until the Council has had a chance to review. 

Rogers stated that it is not advisable for the District to approach IDNR without an IGA.  Board President Ubriaco added that IDNR was clear at its meeting held with Mayor Morley, her, subcommittee members, and City and Park District staff that IDNR cannot theorize possibilities but needs an agreement to make its decision. 

Rogers stated that the District proposed the concept of renumeration for replacement property for up to 1.5 times the appraised value of the existing property.  The Board agreed that with an IGA in hand, it will be evident to the IDNR of the seriousness of the negotiations where the City is prepared to place the appraised value of the existing property into escrow. 

As a clarification, Commissioner Ubriaco stated that the Park District is requesting the City provide 1.5 times the appraised value for replacement land, not 1.5 times of replacement land because IDNR requires the District to replace parkland with like-size property and like value.  At this point, the District may not have the luxury of replacing the land with like value, it may cost more. Should the replacement land cost twice the price of the appraisal, then the City would provide the 1.5 times appraised value of the park property being used and then the Park District would pay for anything over the compensated 1.5 times. Rogers added that IDNR must agree on the replacement property to ensure its comparable size, recreational usefulness, and value. The floor is appraised and the cap is the 1.5 of the appraised value. The Park Board is not looking to be compensated in any way other than replacing open space and providing comparable land with recreational usefulness to what was there. 

February 18, 2016 Stormwater Subcommitte Meeting

DISCUSSION
On Tuesday, February 16, the City Council approved the IGA for the York Commons detention basin with a shut-off valve by a vote of 13:1 (Alderman Wagner voted Nay).  The City Council also approved an amendment to their resolution authorizing the IGA – stating something to the effect that the shut-off valve is being approved even though their expert engineer Burke Engineering publicly stated the valve is unnecessary and that the approval is to satisfy the Park District.  This amendment is not part of, and does not impact, the IGA itself.  
 
According to Commissioner Graf, who attended the February 16 meeting, similar to the January 18 meeting, the Council’s discussion deteriorated into a series of highly critical remarks made by numerous members of the City Council about the Park District and Board.
 
Thereafter, the Park Board’s stormwater subcommittee met with the City on Thursday, February 18, 2016 in Council Chambers to continue discussions concerning the City’s request to use park property for stormwater detention.  Six residents attended the meeting and four spoke during public comment.  All five sites under consideration were discussed, beginning with York Commons Park. 
 
The signed IGA for York Commons was given to the subcommittee and now that both agencies have agreed to the terms, the Park District’s engineer, V3, will work with the City’s engineer, Burke Engineering, to jointly agree on a final set of plans and specifications, as per the terms of the IGA, to move the project ahead.  V3 has taken a preliminary look at the plans; staff will now direct that a full, formal review be undertaken; particularly to include the valve as part of the design.
 
As regards to Golden Meadows, a draft of the IGA is scheduled to be discussed at the City’s Public Works Committee on February 22, 2016 and anticipated to be presented to the City Council on March 7, 2016.  To date, the District has not received the draft IGA, however, Mayor Morley stated that the Park District would receive a version on March 8.    Two questions were raised during the discussions:
 
1) Is the Park District willing to approach the Illinois Department of Natural Resources prior to reviewing an IGA to gauge their response to an escrow account for a future land purchase for the conversion of Golden Meadows Park?
 
2) How much money should be placed in escrow, either the appraised value or the full 1.5 times the appraised amount?
 
The City indicated that the second item will most likely be included in the IGA as a proposed term of the agreement.
 
Finally, as it relates to the three remaining sites discussed (East End, Wild Meadows Trace and Crestview) and as a response to the City’s January 13 request that the Park District forgo replacement of and compensation for these sites and instead work with the City to ask IDNR to make an exception to their policy against off-site stormwater to OSLAD funded sites, the District subcommittee shared the following statement.
 
At this point in time, the Park Board is not interested in encumbering additional open space with detention basins to provide relief for the approximately 11 remaining homes that would be impacted.  However, as we discussed at our last meeting on January 14, the District believes that Park and City staff should discuss alternative ideas for the three sites, similar to those the City has already utilized, including the purchase of properties, storage vaults underneath parking lots and underground storage that could provide stormwater detention as well as open space and recreational opportunities at grade level.
 
City was not receptive to the idea of considering alternative approaches to providing stormwater detention in these locations.
 
The next subcommittee meeting will be held March 24, 2016 at 7 p.m. at City Hall.
 

February 10, 2016 Park Board Meeting

Memo to Park Board
 
As noted in the Board’s January 29 Update, following the Board's storm water discussion and direction on January 27, a letter (see attached) was sent to the City reiterating the Board's position along with V3's responses to the City's questions.
 
Thereafter, as noted via email on Tuesday, February 2, at their meeting on February 1, the City Council agreed by a vote of 9:4, to reconsider the York Commons Stormwater Intergovernmental Agreement, with the valve, at their next meeting on February 16.
 
As regards to Golden Meadows, the City’s Public Works Committee will be discussing the District’s proposal for the site at its meeting on Monday, February 8.  Attached is two exhibits being provided to the Committee concerning Golden Meadows and one for York Commons. 
 
The next subcommittee meeting will be held Thursday, February 18 at 7 p.m. at City Hall.
 
Stormwater Management at Park Board Meeting
 
Executive Director Rogers updated the Board on stormwater management discussions with the City of Elmhurst.  On February 1, 2016, the City agreed to reconsider the shut-off valve as part of the proposed York Commons intergovernmental agreement (IGA) detention basin at its next meeting on February 16.  
 
Regarding discussions on the detention basin at Golden Meadows Park, the City's Public Works Committee met on February 8 when they also discussed York Commons.  Commissioner Graf and Executive Director Rogers were in attendance. City Manager Grabowski summarized the newly drafted IGA and explained the compensation component sought by the District to the committee.  
 
Executive Director Rogers displayed a spreadsheet with the number of homes relieved from the 100-year flood based on the proposed stormwater sites.  According to the spreadsheet, the York Commons detention basin would relieve flooding for 38 homes, thus equating to $37,000 per home for a total cost of $1.4 million.  Commissioner Graf stated that the committee has discussed the overflow of stormwater and it was made clear that the overflow would go onto York Street. According to the committee, the amount of water that would flow onto York Street during a 500-year storm at its highest mark would be 16,000 gallons per minute.  Therefore, a shut-off valve would be beneficial.  Commissioner Spaeth stated he hoped the York Commons project can begin soon as the goal is to help residents without transferring the problem to another area.  The best solution for the problem is improved infrastructure.  
 
Executive Director Rogers stated that the City Engineer indicated that the City is looking to pursue options in regards to compensatory storage, specifically for southwest Elmhurst.  Commissioner Graf added the proposed detention would help the homes on Washington Street, whereas above-ground detention would not be an option due to Washington Street being at a lower elevation.  Commissioner Graf continued by stating that Alderman Bram had asked about not seeing a plan for the infrastructure. It was also mentioned that the City has had discussions with DuPage County on compensatory storage but no firm plans.  
 
The detention basin at Golden Meadows Park would provide relief to 20 homes.  Executive Director Rogers displayed the conceptual detention site and how stormwater would travel from nearby streets into the basin. 
 
Regarding the proposed East End Park detention site, the number of homes affected by the 100-year storm has been reduced due to the City acquiring four of the nine homes, which the District had suggested previously.  The City has requested the District seek approval from the IL Dept. of Natural Resources (IDNR) to use Golden Meadows and East End parks for stormwater detention without compensation.  
 
The Board questioned the commitment to allowing the use of property at Wild Meadows Trace to relieve flooding for four homes.  Commissioner Spaeth provided the idea of a parking lot with underground storage.  Executive Director Rogers stated that the District is currently waiting to hear back from the City regarding York Commons and Golden Meadows parks.  Until then, the Park Board can consider the concepts discussed, look for creative alternatives, and the compensation for the proposed sites.  
 

January 27, 2016 Park Board Meeting

Stormwater Management
 
Executive Director Rogers reported that the Park Board’s stormwater subcommittee met with the City on January 14, 2016 at City Chambers with six residents in attendance and two providing public comment.  The Park Board stormwater subcommittee reiterated the Board’s position statement on the requirement of a shut-off valve in the proposed York Commons stormwater detention basin.  The subcommittee then agreed to grant the City’s request to have the District’s engineering firm, V3, provide a written opinion on the shut-off valve and respond to specific inquires, but reminded the City that the Park Board is firm on the stipulation of a shut-off valve.  
 
In regards to stormwater detention at Golden Meadows Park, the City stated that within the next month, the Park Board’s proposal, which the City's stormwater subcommittee has agreed to, needs to go to the Public Works Committee and then on to City Council.  On January 13, the District received a letter from the City requesting the Park District forego the replacement of compensation for East End, Wild Meadows Trace and Crestview park sites and instead work with the City to ask IDNR to make an exception to their policy restricting off-site stormwater detention.  The City assured the request would include possible improvements to these parks to facilitate the construction of stormwater basins, but the request was not forthcoming. The next stormwater subcommittee meeting is scheduled for February 18, 2016.
 
On January 18, 2016, Commissioner Graf and Executive Director Rogers attended the City Council meeting where, during public comment, Rogers read the Park Board’s position statement requiring a shut-off valve at York Commons to prevent an adverse impact to park neighbors.  At that meeting, the City Council voted ten to zero with four absences to approve the proposed IGA without the shut-off valve.  Mayor Morley and Alderman Kennedy provided a presentation on the concept of the valve.  On Tuesday, January 19, 2016, the District received a letter from the City summarizing the City’s amended IGA with a request to have V3 Engineering respond to four questions.  
 
Mr. Wolterstorff read written responses to the City’s inquiries.  
Question 1:  Does the proposed project meet the DuPage County Ordinance requirements without the valve?  
V3 Response:  V3 believes that the proposed project would meet the requirements from the DuPage County Ordinance for all critical duration storm events up to the 100-year, 24 hour event.  
Question 2: Based on V3’s review of Burke Engineering’s stormwater analysis, would providing additional storage in the future basketball and sand volleyball court area mitigate the downstream impacts for 500-year, non-critical duration storm events?  
V3 Response:  V3 has not modeled the system to evaluate impacts of the 500-year storm event nor does V3 have enough information from the Burke Engineering table to determine the required stormwater storage to mitigate the downstream impact associated with the 500-year overflow from the proposed York Commons basin.  
Question 3:  Is the installation of a shutoff valve a necessity for this project?  
V3 Response:  Based on the tables provided by Burke Engineering on December 1, 2015, the “proposed conditions” without a valve demonstrates an increased 500-year discharge to York Street which occurs through the Overflow Weir, when compared to the “with shut-off valve” scenario which shows no overflow.  V3 understands that the Elmhurst Park District has consistently expressed a concern for implementing a solution that may shift flooding problems from one location to a new location. The shut-off valve would prevent this overflow and maintain existing conditions at Crescent Street for storms exceeding the 100-year event.  
Question 4:  If V3 is stating the valve is a requirement, have they modeled the impact of the valve in the proposed system and can they state what level of flooding will be experienced by the homeowners either upstream or downstream of the valve?  
V3 Response:  V3 has not performed modeling of our proposed system.  V3's responses are based upon V3’s review of the data and information provided by Burke Engineering.
 
V3’s responses will accompany a letter from the Park District reiterating their request for a shut-off valve.  Executive Director Rogers stated that as stormwater management is not the responsibility of the Park District, V3 was contracted to conduct a peer review and not modeling.  With a valve installed, Crescent Street will be the only street to back up during events greater than a 100-year storm. The Park District is committed to being part of the solution without exasperating the existing problem.  The type of valve requested is much less complicated than the pumps already used to manage stormwater along Salt Creek.  The Burke Engineering plans are not sufficiently complete to illustrate the overflow route; as a result the overflow may travel west to the street or south into the York Commons parking lot.  Either route will end up at the intersection of York and Cayuga.  Commissioner Spaeth added that it is difficult to predict the size of storms thus causing more concern for residents’ safety.  Improved infrastructure remains the less expensive route to provide flood relief to residents.   
 

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