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Updated: Oct. 24, 2017

Maps - North Pole Refinery

Most Recent Maps Offsite (the plume area)

 

Notes: 

A dashed or solid line generally outlines the approximate extent of the plume.
 
On any given map, the most recent results are shown, however not all wells are/were sampled each quarter. Units are in µg/L or micrograms per liter; one µg/L = one part per billion or ppb.
 
Maps are from the 3rd quarter unless otherwise indicated. The 3rd quarter sample event is generally the most comprehensive.

 

thumbnail map of Proposed North Pole distribution system area - sulfolane contamination

2017 North Pole Water Distribution System Updated Design (1.3 MB PDF file)


Updated October 4, 2017. See more information on the plans to provide piped water to the areas affected by sulfolane contamination from the former North Pole Refinery.

 

thumbnail map of Proposed North Pole distribution system area - sulfolane contamination

2016 Potable Water Solutions Provided by Flint Hills Resources (822 KB PDF file)

- from Flint Hills' Alternative Water Solutions Program 2016 Annual Report.

 

 

 

thumbnail map of study area - sulfolane contamination

2016 3rd Quarter: Approximate Extent of Sulfolane Impacts in Offsite Monitoring Wells and Private Wells (788 K PDF file)

- from Flint Hills’ 2nd Semiannual 2016 Offsite Groundwater Monitoring Report. (Figure 3-5)

 

 

thumbnail map of study area - sulfolane contamination

2016 3rd Quarter: Offsite Sulfolane Trends, Monitoring Wells and Private Wells (741 K PDF file)

- from Flint Hills’ 2nd Semiannual 2016 Offsite Groundwater Monitoring Report. (Figure 1-A)

 

 

 

See Earlier Maps of Plume Area

 

Most Recent Maps onsite - former refinery property

 

thumbnail map of Proposed North Pole distribution system area - sulfolane contamination

2017 1st Quarter Sulfolane Concentrations on the Former Refinery Property (572 KB PDF file)

- from Flint Hills' First Semiannual 2017 Onsite Groundwater Monitoring Report. (Figure 3-9)

 

 

 

 

thumbnail map of study area - sulfolane contamination

2017 1st Quarter Benzene Concentrations on the Former Refinery Property (601 KB PDF file)

- from Flint Hills' First Semiannual 2017 Onsite Groundwater Monitoring Report. (Figure 3-8)

 

 

 

 

 

thumbnail map of Proposed North Pole distribution system area - sulfolane contamination

2016 3rd Quarter Sulfolane Concentrations on the Former Refinery Property (1.2 MB PDF file)

- from Flint Hills' Second Semiannual 2016 Onsite Groundwater Monitoring Report. (Figure 3-10)

 

 

 

 

 

thumbnail map of study area - sulfolane contamination

2016 3rd Quarter Benzene Concentrations on the Former Refinery Property (678 KB PDF file)

- from Flint Hills' Second Semiannual 2016 Onsite Groundwater Monitoring Report. (Figure 3-9)

 

 

 

 

See Earlier Onsite Maps


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Earlier Maps

 
Description
 
Download

Maps Primarily Showing Conditions OFF the Refinery Property (THE PLUME AREA)

2015

Approximate extent of sulfolane impacts in offsite monitoring wells and private wells, 3rd Quarter

 

Second Semiannual 2015 Offsite Groundwater Monitoring Report (Figure 4-9) pdf 821 KB
2015

Private well sulfolane results, 3rd Quarter

 

Second Semiannual 2015 Offsite Groundwater Monitoring Report (Figure 3-1)

pdf 676 K

 

2015

Offsite sulfolane trends, monitoring wells and private wells, 3rd Quarter

Second Semiannual 2015 Offsite Groundwater Monitoring Report (Figure 1-A) pdf 741 K
2014 Private well search areas and sulfolane results -Sulfolane concentrations in private wells Third Quarter 2014 Monitoring Report (Figure 3-1) pdf 705 KB
2013

Trends in sulfolane concentrations (increasing, decreasing, or stable) in private wells and monitoring wells

Third Quarter 2013 Groundwater Monitoring Report pdf 764 KB
2013 Private Well Search Areas and Sulfolane Results -Sulfolane concentrations in private wells Third Quarter 2013 Groundwater Monitoring Report (Figure 3-1) pdf 715 KB
2013

Sulfolane concentrations - 10-55 feet below water table

 


Third Quarter 2013 Groundwater Monitoring Report (Figure 4-11) pdf715 KB
2012

Sulfolane concentrations at the water table

Fourth Quarter 2012 Monitoring Report (Figure 4-13) pdf 630 KB
2011 Sulfolane concentrations in groundwater for select monitoring wells - 10-55 feet below the water table, 4th Quarter Map created by DEC as an Open House display pdf252 KB
2011 Sulfolane concentrations in groundwater for select monitoring wells - at the Water Table, 4th Quarter Map created by DEC as an Open House display pdf1.4 MB
2011 Sulfolane Concentrations in Off-Refinery Monitoring Wells (November 2010 through January 2011), First Quarter Map created by DEC
2010 Area of concern with monitoring data - April 14, 2010 Map created by DEC
2009 December Sample Results - Delineation wells. Samples were analyzed by two different laboratories, SGS and Pace. Shannon & Wilson, Fig. 1-A
2009 Monitoring wells from the Ford subdivision - Nov. 24, 2009. Additional Monitoring wells, proposed for DEC approval, are marked in yellow. Flint Hills Resources

Maps Primarily Showing Conditions on the FORMER Refinery Property

2015

Sulfolane Concentrations on the former Refinery Property, 3rd Quarter

Flint Hills' Second Semiannual 2015 Onsite Groundwater Monitoring Report (figure 4-14)

pdf 706 KB
2015

Benzene Concentrations on the former Refinery Property, 3rd Quarter

Flint Hills' Second Semiannual 2015 Onsite Groundwater Monitoring Report (figure 4-13) pdf797 KB
2012

Benzene concentrations in groundwater monitoring wells on the refinery property

4th Quarter 2012 Groundwater Monitoring Report (Figure 4-9) pdf 530 KB
2011 Sulfolane Concentrations in On-Refinery Monitoring Wells (November 2010 through January 2011) Map created by DEC

 

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FOR MORE INFORMATION


 

More analytical maps and data are available at the DEC office in Fairbanks:

DEC Contaminated Sites Program

610 University Ave.
Fairbanks, AK  99709-3643
Main phone: (907) 451-2143 
Fax: (907) 451-5105

Division Address

Department of Environmental Conservation
Division of Spill Prevention and Response
410 Willoughby Ave., Ste. 302

PO Box 111800

Juneau, AK 99811-1800