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Survey of City of Chicago Water Wells Introduction The City of Chicago’s (the City’s) Department of Environment (DOE) conducted a potable well survey to determine if active potable wells exist in and nearby the City limits. Information was obtained from the Illinois State Geological Survey (ISGS) regarding all confirmed records of wells installed within the City limits of Chicago and 200 feet beyond. The well search revealed three categories of wells: community water supply wells (CWS); public, non-CWS wells; and private wells. Evaluation of Community Water Supply wells Records list two active CWS wells located within 200 feet of the City limits in Des Plaines (northwest side of the City, near O’Hare airport) that are utilized for a mobile home park. The fact sheet for these wells was obtained from ISGS and is included as Attachment 1. The fact sheet information for these wells shows that they are monitored and tested and have been found to meet drinking water standards. Evaluation of Public, Non-CWS wells Records list twenty-nine public, non-CWS wells, which are all located in Cook County forest preserves. A list of these wells and information regarding their locations obtained from ISGS are included in Attachment 2. The available fact sheet information for these wells shows that they are monitored and tested and meet drinking water standards. Evaluation of Private Wells Records listing 1,436 private wells were obtained from ISGS (Attachment 3). Wells coded as anything other than water wells were eliminated from consideration, bringing the number of wells down to 197 private wells. This reduced list of 197 wells was evaluated for potable use. The well locations were geocoded and imported into the City’s Geographical Information Mapping System (GIS) based on the latitude and longitude information provided by ISGS. These locations were electronically overlain on aerial photographs to evaluate the current land use. These locations were grouped by Township, Section, and Range on the attached figures and wells locations are labeled based on the well depth. As available, service maps from the Department of Water Management (DOWM) were obtained and compared with the aerial photos. The following provides a breakdown of the survey results for the 197 wells: For one hundred three wells, the locations are serviced by the City water system; Thirty-two wells are located within the O’Hare Airport complex; Twelve wells are located within Cook County forest preserve areas; Seven wells are located on vacant land; Three wells are located on the edge of the City limits, properties in these areas within the City limits are serviced by the City water system; Thirteen wells are located outside of the City limits; Nine wells have various reasons why they are not believed to be in use; and

Survey of City of Chicago Water Wells Introduction Evaluation of … · 2021. 1. 2. · Figure 80 and 81 The two wells shown on Figures 80 and 81 are located in the middle of the

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  • Survey of City of Chicago Water Wells

    Introduction

    The City of Chicago’s (the City’s) Department of Environment (DOE) conducted a potable well

    survey to determine if active potable wells exist in and nearby the City limits. Information was

    obtained from the Illinois State Geological Survey (ISGS) regarding all confirmed records of

    wells installed within the City limits of Chicago and 200 feet beyond. The well search revealed

    three categories of wells: community water supply wells (CWS); public, non-CWS wells; and

    private wells.

    Evaluation of Community Water Supply wells

    Records list two active CWS wells located within 200 feet of the City limits in Des Plaines

    (northwest side of the City, near O’Hare airport) that are utilized for a mobile home park. The

    fact sheet for these wells was obtained from ISGS and is included as Attachment 1. The fact

    sheet information for these wells shows that they are monitored and tested and have been found

    to meet drinking water standards.

    Evaluation of Public, Non-CWS wells

    Records list twenty-nine public, non-CWS wells, which are all located in Cook County forest

    preserves. A list of these wells and information regarding their locations obtained from ISGS are

    included in Attachment 2. The available fact sheet information for these wells shows that they

    are monitored and tested and meet drinking water standards.

    Evaluation of Private Wells

    Records listing 1,436 private wells were obtained from ISGS (Attachment 3). Wells coded as

    anything other than water wells were eliminated from consideration, bringing the number of

    wells down to 197 private wells. This reduced list of 197 wells was evaluated for potable use.

    The well locations were geocoded and imported into the City’s Geographical Information

    Mapping System (GIS) based on the latitude and longitude information provided by ISGS.

    These locations were electronically overlain on aerial photographs to evaluate the current land

    use. These locations were grouped by Township, Section, and Range on the attached figures and

    wells locations are labeled based on the well depth. As available, service maps from the

    Department of Water Management (DOWM) were obtained and compared with the aerial

    photos. The following provides a breakdown of the survey results for the 197 wells:

    • For one hundred three wells, the locations are serviced by the City water system;

    • Thirty-two wells are located within the O’Hare Airport complex;

    • Twelve wells are located within Cook County forest preserve areas;

    • Seven wells are located on vacant land;

    • Three wells are located on the edge of the City limits, properties in these areas within the

    City limits are serviced by the City water system;

    • Thirteen wells are located outside of the City limits;

    • Nine wells have various reasons why they are not believed to be in use; and

  • • Eighteen well locations were visited by a DOE representative to determine the presence or

    absence of the wells. A memo with a transcript of the notes from the site visits is included

    in Attachment 4, as well as the phone log and e-mails from requests for information to

    property owners, MWRD and Waste Management.

    Table 1 lists the wells by figure number grouped by Township, Range and Section and labeled

    with the well depth. As available, DOWM service maps for the well location areas follow each

    figure. Other relevant information is included in the attachments as described below. The

    following paragraphs provide narratives for each of the figures grouped together where possible.

    Figures 1 through 49

    All of the wells shown on Figures 1 through 49 have DOWM service maps attached that show

    the City water system service for each location. Based on this information, DOE does not

    believe that these seventy-nine wells are in service for potable water.

    Figures 50 through 57

    Figures 50 through 57 show the wells located within the O’Hare airport complex. As discussed

    with IEPA, these thirty-two wells are not in use.

    Figures 58 through 63

    Twelve wells are located in the Cook County forest preserve areas are shown in Figures 58

    through 63. DOE plans on considering these wells similar to the Public, Non-CWS wells.

    Figure 64

    DOWM service maps were available for the two wells registered to the Coke Oven Plant. The

    two wells registered to Cal-Auto wreckers are located in the middle of the area currently known

    as Big Marsh. A DOE representative was unable to locate these wells during a recent site

    inspection. This property is vacant and planned for open space preservation by the City as part

    of its Calumet Area Land Use Plan.

    Figure 65

    The two wells shown on Figure 65 are registered to Sherwin-Williams. For the 1648 ft. deep

    well, DOWM service maps show that this building is serviced by the City water service. Due to

    the isolated location of the 420 ft. well on vacant land, it is not probable that it is in service as

    potable water well.

    Figure 66

    DOWM maps are available for all but the 1625 ft. and 1575 ft. wells shown on Figure 66. These

    two wells are in vacant areas utilized as parking lots. These are in areas with The City water

    service, if new development were to occur they would be connected to City water service. Based

    on the maps and aerials, DOE does not believe any of the 16 wells on this figure are utilized for

    potable water.

  • Figure 67

    Both of the wells shown on Figure 67 are in an area of vacant land however the attached DOWM

    service maps show that water service is available for this area if it is developed. DOE does not

    believe these two wells are utilized for potable water.

    Figures 68 and 69

    The two wells shown on Figures 68 and 69 are on the edge of the City limits. The DOWM

    service maps for the City areas are provided. DOE believes that it is unlikely that any of the

    residences in Evergreen Park and Harwood Heights are not serviced by their respective

    municipal water services.

    Figure 70

    Figure 70 shows two well locations. The 265 ft. well is within the City limits and DOWM

    service maps indicated that all businesses and residences are service by the City Water. The

    1542 ft. well is on the edge of the City limits. The DOWM service maps for the City areas are

    provided.

    Figures 71 though 77

    Figures 71 through 77 show 13 well locations outside the City limits. All of the areas except for

    those shown in Figure 74, are industrial/commercial properties. Based on the property usages for

    these areas, DOE does not believe that any of these wells are utilized for potable water. These

    wells are located at a shopping center, at a Shell Gas Station and in various industrial parks and

    adjacent to a tank farm. The two wells shown on Figure 74 are located on the edge of the city

    limits along a rail line bordering the O’Hare industrial/commercial complex. Due to the location

    of the wells and the rail line, these wells would only possibly service multi-unit residential

    properties in Rosemont. If the 97 ft. well served the apartment complex to the south, it would

    have to be registered as a CWS well because it would regularly serve at least 25 residents. The

    89 ft. well registered to H. Geger is also nearest two multi-family complexes and it is unlikely

    that this well is in use for the same reasons. DOE believes these areas in neighboring

    communities are served by the public works water service provided in these communities.

    Figure 78

    The two well locations on Figure 78 are located within the USX remediation sites entered into

    the Site Remediation Program (SRP) with No Further Remediation Letters issued with

    Groundwater Usage Exclusions. These institutional controls prohibit the usage of groundwater

    usage from these wells if they are still in existence.

    Figure 79

    The location information for the two wells registered to the S. H. Bell Company indicates these

    wells are located in the Calumet River. The location was checked on the ISGS Interactive map

    and the wells are plotted in the same location. The ISGS Map is attached with Figure 79. This

    location and channel of the river has been modified to accommodate shipping considerations

    over the years. Based on the location information, DOE believes these wells are no longer in

    existence.

  • Figure 80 and 81

    The two wells shown on Figures 80 and 81 are located in the middle of the Dan Ryan and the

    Stevenson expressways. DOE believes these wells are no longer in existence.

    Figure 82

    On Figure 82, the two wells registered to Chem-Clear are serviced by the City water service. The

    remaining three wells are all located on or adjacent to landfills with no buildings.

    Figure 83

    The 1683 ft. well location is serviced by City water service. Figure 83 shows all three well

    locations and Figure 83a gives a close up look at the 1683 ft. well. The two remaining wells are

    located at a facility operated by the Metropolitan Water Reclamation District (MWRD). DOE

    has contacted MWRD and these wells are being utilized as monitoring wells. The MWRD

    facility is connected to the City water service.

    Figure 84

    DOWM service maps indicate that all the facilities in the area of the 348 ft well location are

    serviced by City water shown on Figure 84. A DOE representative visited the 210 ft. well

    location on this figure and the well was determined inoperable due to the well head condition.

    Figure 85

    The well shown on Figure 85 once serviced the maintenance shop at Land and Lakes Landfill for

    non-potable use (steam cleaning and equipment wash). Robert Kras, facility superintendent,

    confirmed the well is no longer in use.

    Figure 86

    On Figure 86, the 303 ft., 301 ft. and 200 ft. wells are all located on the property operated by the

    U.S. Army Corp of Engineers. A site visit discussion with Bob Balamut, Lockmaster, confirmed

    that the wells are no longer in use and have been capped below grade. The 1125 ft. and 329 ft

    wells are located on property managed by Waste Management as part of CID landfill. DOE

    contacted CID and confirmed that these wells are not utilized for potable water. The 1125 ft.

    well water is used at their facility but only for washing equipment and floors. This well is

    operated under the oversight of ISWS. They are not aware of a well at the 329 ft. well location.

    Since this well is registered to Ace Scavenger Service and due to the fact the soil at the well

    location is now above grade, DOE believes this well was removed or abandoned. The 428 ft.

    well is located at the Union Hall. A DOE representative visited the site and confirmed that they

    are on City water. The 305 ft. well to the south and 165 ft. well are both located on the Sunset

    Bay Marina property. A DOE representative visited the site and confirmed that these wells are

    no longer in use. The remaining 305 ft. well to the north is within Hegewisch Marsh property

    currently owned by the City. This property is slated to become a preserve for birds and wildlife.

    If the well is still exists, the City will not put it into use.

  • Figure 87

    DOWM maps show services for the areas of the 1601 ft. and 260 ft. wells as shown on Figure

    87. Figure 87a provides a closer view of the area around the 260 ft. well. A DOE representative

    visited the park location for the 579 ft. well. No potable water services are available at the park.

    The well is not in use or no longer exists.

    Figure 88

    A DOE representative visited both properties shown on Figure 88. Discussions with the property

    managers confirmed that if these wells still exist, they are not in service.

    Figure 89

    A DOE representative visited the well location on Figure 89 and found no well in this area.

    Figure 90

    The well location shown on Figure 90 was visited by a DOE representative. The location is

    operated by the MWRD. DOE has contacted MWRD, they are not aware of a well on the

    property. All other locations in this area are serviced by the City water service. DOE believes

    that if the well exists, it is no longer in use.

    Conclusions

    The City reviewed the well records available from the ISGS and the City’s DOWM and

    determined most water wells listed in the within the City and a 200-foot buffer zone of the City

    limits are no longer in use. Two community water supply wells are confirmed in use outside of

    the city limits. Twenty-nine wells identified as public, non-community water supply wells and

    twelve wells identified as private are located with in Cook County forest preserve areas. The

    existence or utilization of these wells was not confirmed. A total of 1,436 private well records

    were evaluated and the status of sixteen wells, on the edge or outside the city limits, cannot be

    confirmed. DOE believes that all other wells classified as water wells either do not exist or are

    no longer in use.

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    Page 1

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    Page 3

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    Figure: 3Township 37 Range 15 Section 8

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    Figure: 7Township 38 Range 13 Section 11

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    Figure: 20Township 39 Range 13 Section 24

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

    Cook County Parcels

    0 750 1,500 2,250 3,000375Feet

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    Figure: 21Township 39 Range 13 Section 25

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

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    Figure: 22Township 39 Range 13 Section 35

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

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    0 300 600 900 1,200150Feet

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    Figure: 23Township 39 Range 13 Section 36

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

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    0 300 600 900 1,200150Feet

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    Figure: 24Township 39 Range 14 Section 5

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

    Cook County Parcels

    0 250 500 750 1,000125Feet

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    Figure: 25Township 39 Range 14 Section 8

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

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    0 250 500 750 1,000125Feet

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    Figure: 26Township 39 Range 14 Section 16

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

    Cook County Parcels

    0 680 1,360 2,040 2,720340Feet

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    Figure: 27Township 39 Range 14 Section 20

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

    Cook County Parcels

    0 225 450 675 900112.5Feet

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    Figure: 28Township 39 Range 14 Section 22

    City of ChicagoDepartment of Environment

    City of ChicagoRichard M. Daley, Mayor

    Copyright 2007 © City of Chicago

    ±Legend

    !( Well Locations

    Cook County Parcels

    0 490 980 1,470 1,960245Feet

    Final Water Well SurveyTable 1Figure 01 37-13-23Figure 01 96-p44Figure 01 96-p59Figure 01 96-p33Figure 01 96-p38Figure 02 37-13-24Figure 02 96-p114Figure 02 96-p112Figure 03 37-15-8Figure 03 54-p102Figure 03 54-p123Figure 03 54-p124Figure 03 54-p125Figure 03 54-p127Figure 03 54-p128Figure 03 54-p129Figure 04 37-15-20Figure 04 192-p27Figure 05 37-15-30Figure 05 190A-p65Figure 05 190A-p67Figure 06 38-13-7Figure 06 121-p4Figure 07 38-13-11Figure 07 115-p131Figure 08 38-13-18Figure 08 124-p21Figure 08 124-p37Figure 08 124-p87Figure 08 124-p112Figure 08 124-p14Fi