diff --git a/core/src/main/scala/org/broadinstitute/dsde/rawls/Boot.scala b/core/src/main/scala/org/broadinstitute/dsde/rawls/Boot.scala
index d6ff9cd143..d8d627c0ed 100644
--- a/core/src/main/scala/org/broadinstitute/dsde/rawls/Boot.scala
+++ b/core/src/main/scala/org/broadinstitute/dsde/rawls/Boot.scala
@@ -419,7 +419,8 @@ object Boot extends IOApp with LazyLogging {
           appConfigManager.gcsConfig.map(_.getString("terraBucketWriterRole")).getOrElse("unsupported"),
         new RawlsWorkspaceAclManager(samDAO),
         new MultiCloudWorkspaceAclManager(workspaceManagerDAO, samDAO, billingProfileManagerDAO, slickDataSource),
-        fastPassServiceConstructor
+        fastPassServiceConstructor,
+        dataRepoDAO
       )
 
       val workspaceAdminServiceConstructor: RawlsRequestContext => WorkspaceAdminService =
diff --git a/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/DataRepoDAO.scala b/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/DataRepoDAO.scala
index 6ae7e90155..9c469b567e 100644
--- a/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/DataRepoDAO.scala
+++ b/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/DataRepoDAO.scala
@@ -1,7 +1,7 @@
 package org.broadinstitute.dsde.rawls.dataaccess.datarepo
 
 import akka.http.scaladsl.model.headers.OAuth2BearerToken
-import bio.terra.datarepo.model.SnapshotModel
+import bio.terra.datarepo.model.{PolicyResponse, SnapshotModel}
 
 import java.util.UUID
 
@@ -10,4 +10,8 @@ trait DataRepoDAO {
   def getInstanceName: String
 
   def getSnapshot(snapshotId: UUID, accessToken: OAuth2BearerToken): SnapshotModel
+
+  def retrieveSnapshotPolicies(snapshotId: UUID, accessToken: OAuth2BearerToken): PolicyResponse
+
+  def removeSnapshotPolicy(snapshotId: UUID, member: String, accessToken: OAuth2BearerToken)
 }
diff --git a/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/HttpDataRepoDAO.scala b/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/HttpDataRepoDAO.scala
index 126a216491..104ef497c5 100644
--- a/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/HttpDataRepoDAO.scala
+++ b/core/src/main/scala/org/broadinstitute/dsde/rawls/dataaccess/datarepo/HttpDataRepoDAO.scala
@@ -3,7 +3,7 @@ package org.broadinstitute.dsde.rawls.dataaccess.datarepo
 import akka.http.scaladsl.model.headers.OAuth2BearerToken
 import bio.terra.datarepo.api.RepositoryApi
 import bio.terra.datarepo.client.ApiClient
-import bio.terra.datarepo.model.{ColumnModel, SnapshotModel, TableDataType}
+import bio.terra.datarepo.model.{ColumnModel, PolicyResponse, SnapshotModel, TableDataType}
 import org.broadinstitute.dsde.rawls.entities.datarepo.DataRepoBigQuerySupport
 
 import java.util.stream.Collectors
@@ -38,4 +38,10 @@ class HttpDataRepoDAO(dataRepoInstanceName: String, dataRepoInstanceBasePath: St
     }
     snapshot
   }
+
+  override def retrieveSnapshotPolicies(snapshotId: UUID, accessToken: OAuth2BearerToken): PolicyResponse =
+    getRepositoryApi(accessToken).retrieveSnapshotPolicies(snapshotId)
+
+  override def removeSnapshotPolicy(snapshotId: UUID, member: String, accessToken: OAuth2BearerToken) =
+    getRepositoryApi(accessToken).deleteSnapshotPolicyMember(snapshotId, "reader", member)
 }
diff --git a/core/src/main/scala/org/broadinstitute/dsde/rawls/workspace/WorkspaceService.scala b/core/src/main/scala/org/broadinstitute/dsde/rawls/workspace/WorkspaceService.scala
index 1e049a49da..0f85d260e2 100644
--- a/core/src/main/scala/org/broadinstitute/dsde/rawls/workspace/WorkspaceService.scala
+++ b/core/src/main/scala/org/broadinstitute/dsde/rawls/workspace/WorkspaceService.scala
@@ -2,6 +2,7 @@ package org.broadinstitute.dsde.rawls.workspace
 
 import akka.http.scaladsl.model.{StatusCode, StatusCodes}
 import akka.stream.Materializer
+import bio.terra.datarepo.model.{PolicyResponse, WorkspacePolicyModel}
 import bio.terra.workspace.client.ApiException
 import bio.terra.workspace.model.WorkspaceDescription
 import cats.implicits._
@@ -47,6 +48,7 @@ import spray.json._
 import org.broadinstitute.dsde.rawls.metrics.MetricsHelper
 import cats.effect.unsafe.implicits.global
 import org.broadinstitute.dsde.rawls.billing.BillingRepository
+import org.broadinstitute.dsde.rawls.dataaccess.datarepo.DataRepoDAO
 
 import java.io.IOException
 import java.util.UUID
@@ -81,7 +83,8 @@ object WorkspaceService {
                   terraBucketWriterRole: String,
                   rawlsWorkspaceAclManager: RawlsWorkspaceAclManager,
                   multiCloudWorkspaceAclManager: MultiCloudWorkspaceAclManager,
-                  fastPassServiceConstructor: (RawlsRequestContext, SlickDataSource) => FastPassService
+                  fastPassServiceConstructor: (RawlsRequestContext, SlickDataSource) => FastPassService,
+                  dataRepoDao: DataRepoDAO
   )(
     ctx: RawlsRequestContext
   )(implicit materializer: Materializer, executionContext: ExecutionContext): WorkspaceService =
@@ -109,6 +112,7 @@ object WorkspaceService {
       rawlsWorkspaceAclManager,
       multiCloudWorkspaceAclManager,
       (context: RawlsRequestContext) => fastPassServiceConstructor(context, dataSource),
+      dataRepoDao,
       new WorkspaceRepository(dataSource),
       new BillingRepository(dataSource)
     )
@@ -156,6 +160,7 @@ class WorkspaceService(
   rawlsWorkspaceAclManager: RawlsWorkspaceAclManager,
   multiCloudWorkspaceAclManager: MultiCloudWorkspaceAclManager,
   val fastPassServiceConstructor: RawlsRequestContext => FastPassService,
+  val dataRepoDao: DataRepoDAO,
   val workspaceRepository: WorkspaceRepository,
   val billingRepository: BillingRepository
 )(implicit protected val executionContext: ExecutionContext)
@@ -485,6 +490,11 @@ class WorkspaceService(
         new RawlsExceptionWithErrorReport(ErrorReport(StatusCodes.InternalServerError, "MC workspaces not supported"))
       )
     }
+    val resourceList =
+      workspaceManagerDAO.enumerateDataRepoSnapshotReferences(workspaceContext.workspaceIdAsUUID, 0, 100, ctx)
+    val snapshotIds = resourceList.getResources.asScala.flatMap { resource =>
+      Option(resource.getResourceAttributes.getGcpDataRepoSnapshot).map(_.getSnapshot)
+    }.toList
 
     for {
       // just a simple db operation now - the extra logging is excessive
@@ -501,6 +511,32 @@ class WorkspaceService(
         Future.traverse(workflowsToAbort)(wf => executionServiceCluster.abort(wf, ctx.userInfo))
       )
 
+      _ <- traceFutureWithParent("getSnapshotPolicies", parentContext)(_ =>
+        Future
+          .traverse(snapshotIds) { snapshotId =>
+            val filteredWorkspaces =
+              dataRepoDao
+                .retrieveSnapshotPolicies(UUID.fromString(snapshotId), ctx.userInfo.accessToken)
+                .getWorkspaces
+                .asScala
+                .filter(wsPM => wsPM.getWorkspaceId == workspaceContext.workspaceIdAsUUID)
+                .toList
+            logger.info(s"FilteredWorkspaces: $filteredWorkspaces")
+
+            Future.successful {
+              filteredWorkspaces.map { workspace =>
+                workspace.getWorkspacePolicies.asScala.foreach { wsPolicy =>
+                  wsPolicy.getMembers.asScala.foreach { member =>
+                    logger.info(s"removing policyMember: $member")
+                    dataRepoDao.removeSnapshotPolicy(UUID.fromString(snapshotId), member, ctx.userInfo.accessToken)
+
+                  }
+                }
+              }
+            }
+          }
+      )
+
       _ <- traceFutureWithParent("deleteFastPassGrantsTransaction", parentContext)(childContext =>
         fastPassServiceConstructor(childContext).removeFastPassGrantsForWorkspace(workspaceContext)
       )
@@ -533,7 +569,9 @@ class WorkspaceService(
       // Delete workflowCollection resource in sam outside of DB transaction
       _ <- traceFutureWithParent("deleteWorkflowCollectionSamResource", parentContext)(_ =>
         workspaceContext.workflowCollectionName
-          .map(cn => samDAO.deleteResource(SamResourceTypeNames.workflowCollection, cn, ctx))
+          .map { cn =>
+            samDAO.deleteResource(SamResourceTypeNames.workflowCollection, cn, ctx)
+          }
           .getOrElse(Future.successful(())) recoverWith {
           case t: RawlsExceptionWithErrorReport if t.errorReport.statusCode.contains(StatusCodes.NotFound) =>
             logger.warn(