Solid Waste List
Site Details
Facility IDOL510
Pin#SJ91-0001
NameNEWSVT Coventry Landfill (Casella)
TownCoventry
Type of FacilityLandfill, Lined
Applicant Address220 Avenue B
Applicant TownWilliston
Applicant StateVT
Applicant Zip05495
Primary ContactJoe Gay
Primary Phone(802)651-5454
Cert TypeFull
StatusOperating, permitted
Staff ContactJeff.Bourdeau@vermont.gov

LocationPFAS DetectedNotesSample Date
Groundwater MonitoringNon-Detect BRW-5S, sampled 4/19, 10/19, 5/20, 10/20 - low level detections in May 2019 (1.37 ppt PFOA) and October 2019 (2.03 ppt PFOA), non-detect for all analyzed PFAS in all other sample rounds10/21/2020
Groundwater MonitoringNon-Detect E2, sampled 8/18, 5/19, 10/19, 5/20, 10/20 - 1.37 ppt detection of five regulated PFAS in May 2019, non-detect for five regulated PFAS in all other sample periods10/20/2020
Groundwater MonitoringNon-Detect BRW-1, samples 5/19, 10/19, 5/20, 10/20 - non-detect for all analyzed PFAS10/20/2020
Groundwater MonitoringNon-Detect BRW-2R, sampled 9/18, 5/19, 10/19, 5/20, 10/20 - low level detection (0.26 ppt PFHxS, 0.79 ppt PFHxA) in May 2019, non-detect for all analyzed PFAS in other sample rounds10/20/2020
Groundwater MonitoringNon-Detect BRW-3S, sampled 5/19, 10/19, 5/20, 10/20 - low level detection (0.26 ppt PFHxS) in May 2019, non-detect for all analyzed PFAS in other sample periods10/20/2020
Groundwater MonitoringNon-Detect MRW-3D, sampled 8/18, 5/29, 10/19, 5/20, 10/20 - low level detection (0.28 ppt PFHxS) in May 2019, non-detect for all other analyzed PFAS in all other sample periods10/20/2020
Groundwater MonitoringNon-Detect BRW-4S, Sampled 5/19, 10/19, 5/20, 10/20 - low level detection (0.26 ppt PFHxS and 0.59 ppt PFNA) in May 2019, non-detect for all other analyzed PFAS in all other sample rounds10/20/2020
Groundwater MonitoringBelow StandardK1, sampled 6/20, 8/20 and 10/20 as part of underdrain investigation. Respectively, results were 11.10 ppt, 4.21 ppt and 4.16 ppt for the five regulated PFAS during these sample rounds.10/20/2020
Groundwater MonitoringNon-Detect PB6, sampled 8/18, 5/19, 10/19, 5/20, 10/20 - low level detections (1.9 ppt PFHxA in Aug 2018 and 0.24 ppt PFHxS in May 2019), non-detect for all analyzed PFAS in all other sample periods10/16/2020
Groundwater MonitoringBelow StandardE1, sampled 8/18, 5/19, 10/19, 5/20, 10/20 - 3.60 ppt detection of PFHpA in most recent sample period, highest detection of five regulated PFAS was 6.7 ppt in 201810/16/2020
Other (enter type into notes)Detected, No standardUnderdrains, sampled 7/19, 9/19, 10/19, 5/20 and 10/20. Five regulated PFAS detected in UD-1, UD-2 and UD-4, non-detect in UD-410/15/2020
Groundwater MonitoringNon-Detect G-12S, sampled 5/19, 10/19, 5/20, 10/20 - low level detection (0.24 ppt PFHxS) in May 2019, non-detect for all analyzed PFAS in all other sample rounds10/14/2020
Groundwater MonitoringAbove StandardP2RR, sampled 8/18, 9/18, 5/19, 10/19, 5/20, 10/20 - consistent detection of five regulated PFAS ranging from a high of 116 ppt to a low of 68 ppt10/14/2020
Groundwater MonitoringAbove StandardF1, sampled 11/19 as part of underdrain investigation, 130.3 ppt for five regulated PFAS11/19/2019
Groundwater MonitoringAbove StandardJ-4, sampled 11/19 as part of underdrain investigation, 97.81 ppt for sum of five regulated PFAS11/19/2019
Groundwater MonitoringBelow StandardJ-5, sampled 11/18/2019 as part of underdrain investigation, 10.26 ppt for five regulated PFAS11/18/2019
Groundwater MonitoringBelow StandardJ-6, sampled 11/19 as part of underdrain investigation, 3.93 ppt for five regulated PFAS11/18/2019
Groundwater MonitoringBelow StandardJ-6, sampled 11/19 as part of underdrain investigation, 3.93 ppt for five regulated PFAS11/18/2019
Groundwater MonitoringBelow StandardJ-3, sampled 11/19 as part of underdrain investigation, 2.04 ppt for five regulated PFAS11/18/2019
Groundwater MonitoringAbove StandardA1, sampled 11/19 as part of underdrain investigation, 32.4 ppt for five regulated PFAS11/18/2019
LeachateDetected, No standard 10/28/2019
LeachateDetected, No standard 10/18/2019
Groundwater MonitoringBelow Standard409, sampled 10/19, 8.84 ppt for for the five regulated PFAS10/07/2019
Groundwater MonitoringAbove Standard412R, sampled 10/19 as part of the underdrain investigation, 50.09 ppt for the sum of five regulated10/04/2019
Groundwater MonitoringBelow StandardBRW-6S, sampled 10/2019 only for underdrain investigation, non-detect for five regulated PFAS, 2.29 ppt PFBA, 3.37 ppt PFPeA and 2.53 PPT PFHxA detected.10/03/2019
LeachateDetected, No standard 10/01/2019
LeachateDetected, No standard 09/23/2019
LeachateDetected, No standard 09/18/2019
LeachateDetected, No standardduplicate09/18/2019
LeachateDetected, No standard 09/09/2019
LeachateDetected, No standard 09/03/2019
LeachateDetected, No standard 08/21/2019
Associated Files
 File
SelectAmendment 2020.8.19.pdf
SelectOL510 2018.10.02_J45256-1 UDS Level 2 Report Final Report.pdf
SelectOL510 2019.10.15 Conceptual_Leachate_Treatmnt_Scoping_Study.pdf
SelectOL510 2019.10.15 NEWSVT PFAS Source Testing Rpt - Final.pdf
SelectOL510 2023.02 FINAL Major Amendment 2_Leachate Management.pdf
SelectOL510 2023.02..28 FINAL Amendment 1_UD3 Treatment.pdf
SelectOL510 2025.04.21 NEWSVT FINAL AMENDMENT 2A.pdf
SelectOL510 Amendment Application_9.6.2024_FINAL.pdf
SelectOL510.2018.05.31 APPLICATION_ NEWSVT Phase VI .pdf
SelectOL510.2018.05.31 Draft Certification.pdf
SelectOL510.2018.05.31 Fact Sheet.pdf
SelectOL510.2018.10.12 Final Certification.pdf
SelectOL510.2018.10.12 Public Comments Recieved on Draft Certification.pdf
SelectOL510.2018.10.12 Responsiveness Summary.pdf
SelectOL510.2020.annualP.E.InspCondition 81.pdf
SelectOL510.2023.02.14. Responsiveness Summary.pdf
SelectOL510.2024.04.24 Responsiveness Summary Solid Waste Management Facility NEWSV.pdf
SelectPermit.3-1406.20111103.pdf