HomeMy WebLinkAboutBecks Lake Superfund Site 8-20- FILEDv~\\£.0 s,4 r. i.~'5). , 70 ii z. 0 UJ \ ~ ~ ~ ~I' ,<._-f) -1{. PRO'~v Beck's Lake Superfund Site Project Team EPA: • Demaree Collier-Remedial Project Manager • Maria Gonzales -Site Attorney • Lina Wu -Community Involvement Coordinator IDEM: •-Qourtney Townsend -Environmental Manager PRPs: ·~--..... ..,_. • Honey\l,yell International, Inc. (Honeywell) and the City of South B'end Filed in Clerk's Office ~;:_ AUG 2 0 2026 Bianca Tirado City Clerk, South Bend, IN
_,,,E.D S,,.qi: 0'~ ~\,51 i ft {, ' :ii 0 \ ... •~ ~-~P ·vr 0 "1L PRO'~ ~ IJ >," .,,°"· ~u7 f'-s 0 LEGEND NOTES: CBRC = CHARLES BLACK RECREATION CENTER NAVD88 = NORTH AMERICAN VERTICAL DATUM. 1988. CONTOURS GENERATED FROM FIELD GLOBAL POSITIONING SURVEY DATA GATHER.ED DURING THE 2016 REMEDIAL INVESTIGATION. N Beck's Lake (Typically less than 2 feet deep) ~ 0~ APP ~. ?""'-. RO. ,X/MATEAREA ~ 0-:;;,: \ GREATER THAN ~ 0~. ~'. . 2FEET···. D.EEP <??. ". \ j ~ \ -----~rt. W Washington St ELEVATION CONTOURS (NAVD88) INFERRED CONTOURS BECK'S LAKE LASALLE PARK AREA BOUNDARY 0 100 200 400 Feet
~,,E.o sr~;: 0 ~~ j.;, s <¾ :D LU 0 CJ -i,_ ,q;-~ & 1,-~ ~' -4L PRO'~G Site Overview: • Site was listed on the National Priorities List in 2013 • Focused Remedial Investigation in 2016-2017 • Nature and extent within boundaries of LPA • EPA collected soil samples from residential properties in 2017/2018 •·· S.upplemental investigation conducted in 2019 ..... •-Sarn_ples collected north of Linden Avenue and within LPA • TCRAc'()nQucted in 2022 '. \, . • Environrhental Covenant recorded in 2026
~,~E.D ST-41: i0.~u';., ' l) -z. '.D LU 0 ('.J "t-,_ . <::t" ~ & ~/' f-._'-.:. -4L PRO'ic.0 Investigation Results: • Lead and arsenic were found in soil at the LPA and elevated arsenic was found in groundwater • Residential Results -• Surface samples were below the Removal Management Level (RML) for lead (400 ppm) and arsenic (68 ppm) • Two residences had subsurface samples above the RM Ls • Waste material was not found beyond the borders of the LPA
~,,E.D Si~h v ~'51 j -~-~ {" ~ Jrime Critical Removal Action Components «'~~ ~.f) ~l PRO'~v LaSalle Park Area Clean-up Action: • Lead found in top 1-foot of soil above 1,200 mg/kg: • Resulting Action: Removed, Backfilled and Capped with 2-feet clean soil • Lead found in top 1-foot of soil above 400 mg/kg, but below 1,200 mg/kg: • Resulting Action: Capped with 1-foot clean soil Residential Area: • Lead found above 400 mg/kg in top 2-feet of soil: • Resulfing Action: Removed, Backfilled and Capped with clean soil
__ ,,iE.D Si,q r: -0Y" ~.J) f S. \ Results of Time-Critical Removal 0 (9 \ ; ~1,,/' ~..fl -<t( PRO'~v • Eliminated immediate risk from direct contact, ingestion and inhalation from contaminated soil at LPA. • Eliminated risk from contaminated soil in two homes. • An Environmental Restrictive Covenant was recorded that ensures the remedy remains protective and limits certain activities (i.e., drilling in cap, drinking groundwater, planting a pr_9duce garden at LPA)-Enforced by IDEM. •··· . Groundwater is not used for drinking water around the LPA per a City ordinance, so it is not a pathway for contamination , and also now has.the Covenant in place.
~E.D Si~r-~ .v~-~ '\-o ~ • ~ $ (9 JJ ~ 0 ~ ~ ~ ~1,, 0"-/"~l PAo,€ Next Steps: • Determine if any additional risk remains at the Beck's Lake site that needs to be addressed. • Collect additional data, if needed • Evaluate if any additional homes need cleanup based on new 2025 Residential Lead Directive •··----. Develop a Record of Decision that outlines what a.dttitional cleanup activities are needed
0~f-.E.D sr,41: <'~ .• ~~. s 7a ::D z 0 UJ i ~ ~ • ~ 1,/' ~{) -1t.. PRO'~G Contact with Questions: Lina Wu Wu.Lina@epa.gov 312-353-2886