diff --git a/java-bigquery-jdbc/.cloudbuild/jdbc_nightly.yaml b/java-bigquery-jdbc/.cloudbuild/jdbc_nightly.yaml
index e5eb04cd0e3e..c09d3a274169 100644
--- a/java-bigquery-jdbc/.cloudbuild/jdbc_nightly.yaml
+++ b/java-bigquery-jdbc/.cloudbuild/jdbc_nightly.yaml
@@ -25,12 +25,14 @@ steps:
   timeout: 10000s
   entrypoint: 'bash'
   args: ['java-bigquery-jdbc/.cloudbuild/scripts/jdbc-nightly.sh']
-  secretEnv: ['SA_EMAIL', 'KMS_RESOURCE_PATH', 'SA_SECRET']
+  secretEnv: ['SA_EMAIL', 'SA_EMAIL_NO_READAPI', 'KMS_RESOURCE_PATH', 'SA_SECRET']
 
 availableSecrets:
   secretManager:
   - versionName: projects/$PROJECT_ID/secrets/jdbc-presubmit-sa-email/versions/latest
     env: 'SA_EMAIL'
+  - versionName: projects/$PROJECT_ID/secrets/jdbc-presubmit-sa-email-no-readapi/versions/latest
+    env: 'SA_EMAIL_NO_READAPI'
   - versionName: projects/$PROJECT_ID/secrets/kms_resource_path/versions/latest
     env: 'KMS_RESOURCE_PATH'
   - versionName: projects/$PROJECT_ID/secrets/GoogleJDBCServiceAccountSecret/versions/latest
diff --git a/java-bigquery-jdbc/.cloudbuild/jdbc_presubmit.yaml b/java-bigquery-jdbc/.cloudbuild/jdbc_presubmit.yaml
index df6180d0cd03..0e27837c2be3 100644
--- a/java-bigquery-jdbc/.cloudbuild/jdbc_presubmit.yaml
+++ b/java-bigquery-jdbc/.cloudbuild/jdbc_presubmit.yaml
@@ -28,11 +28,13 @@ steps:
   timeout: 2000s
   entrypoint: 'bash'
   args: ['java-bigquery-jdbc/.cloudbuild/scripts/jdbc-presubmit.sh']
-  secretEnv: ['SA_EMAIL', 'KMS_RESOURCE_PATH', 'SA_SECRET']
+  secretEnv: ['SA_EMAIL', 'SA_EMAIL_NO_READAPI', 'KMS_RESOURCE_PATH', 'SA_SECRET']
 availableSecrets:
   secretManager:
   - versionName: projects/$PROJECT_ID/secrets/jdbc-presubmit-sa-email/versions/latest
     env: 'SA_EMAIL'
+  - versionName: projects/$PROJECT_ID/secrets/jdbc-presubmit-sa-email-no-readapi/versions/latest
+    env: 'SA_EMAIL_NO_READAPI'
   - versionName: projects/$PROJECT_ID/secrets/kms_resource_path/versions/latest
     env: 'KMS_RESOURCE_PATH'
   - versionName: projects/$PROJECT_ID/secrets/GoogleJDBCServiceAccountSecret/versions/latest
diff --git a/java-bigquery-jdbc/Makefile b/java-bigquery-jdbc/Makefile
index 63e7a2e042f4..9f171afdab95 100644
--- a/java-bigquery-jdbc/Makefile
+++ b/java-bigquery-jdbc/Makefile
@@ -93,6 +93,7 @@ run-it-standalone:
 		-e "GOOGLE_APPLICATION_CREDENTIALS=/auth/application_creds.json" \
 		-v $(SRC):/src \
 		-e "SA_EMAIL=$(SA_EMAIL)" \
+		-e "SA_EMAIL_NO_READAPI=$(SA_EMAIL_NO_READAPI)" \
 		-e "KMS_RESOURCE_PATH=$(KMS_RESOURCE_PATH)" \
 		-e "SA_SECRET=/auth/application_creds.json" \
 		-e "SA_SECRET_P12=/auth/application_creds.p12" \
diff --git a/java-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryStatement.java b/java-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryStatement.java
index 2ee127a26af1..e3ade6ebaa3d 100644
--- a/java-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryStatement.java
+++ b/java-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryStatement.java
@@ -929,16 +929,6 @@ ResultSet processArrowResultSet(TableResult results, Job job) throws SQLExceptio
             "Failed to execute query: Unable to allocate background threads to process the query results. Connection-scoped thread pool limit of 100 threads was reached or system is out of memory.",
             ex);
       }
-      if (ex instanceof RuntimeException) {
-        throw (ex instanceof BigQueryJdbcRuntimeException)
-            ? (BigQueryJdbcRuntimeException) ex
-            : new BigQueryJdbcRuntimeException(ex);
-      }
-      if (ex instanceof SQLException) {
-        throw (ex instanceof BigQueryJdbcException)
-            ? (BigQueryJdbcException) ex
-            : new BigQueryJdbcException(ex);
-      }
       throw new BigQueryJdbcException(ex.getMessage(), ex);
     }
   }
diff --git a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBase.java b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBase.java
index 18d9d1be36b2..80501e126712 100644
--- a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBase.java
+++ b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBase.java
@@ -284,7 +284,7 @@ public static String getBaseConnectionUrl() {
   public static final BigQuery bigQuery = BigQueryJdbcBaseTest.getBigQuery(connectionUrl);
 
   public static final String FORCE_READ_API_PROPERTIES =
-      "EnableHighThroughputAPI=1;HighThroughputActivationRatio=0;HighThroughputMinTableSize=0;MaxResults=1;";
+      ";EnableHighThroughputAPI=1;HighThroughputActivationRatio=0;HighThroughputMinTableSize=0;";
 
   public static final String createDatasetQuery =
       "CREATE SCHEMA IF NOT EXISTS `%s.%s` OPTIONS(default_table_expiration_days = 5)";
@@ -460,10 +460,16 @@ public static List<String> getInfoBySQL(Connection connection, String sqlCmd)
   }
 
   public static void validateStatement(Statement stmt, int expectedRows) throws SQLException {
+    validateStatement(stmt, expectedRows, "ResultSet");
+  }
+
+  public static <T> void validateStatement(Statement stmt, int expectedRows, String clazz)
+      throws SQLException {
     String query = "SELECT * FROM UNNEST(GENERATE_ARRAY(1, " + expectedRows + "))";
     assertTrue(stmt.execute(query));
     int count = 0;
     try (ResultSet rs = stmt.getResultSet()) {
+      assertTrue(rs.getClass().getName().contains(clazz));
       while (rs.next()) {
         count++;
       }
diff --git a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITJdbcTimestampPicosTest.java b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITJdbcTimestampPicosTest.java
index 32b40385f24a..1671e97c1ab9 100644
--- a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITJdbcTimestampPicosTest.java
+++ b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITJdbcTimestampPicosTest.java
@@ -154,7 +154,9 @@ private static String getPicosConnectionUrl(boolean picosEnabled, boolean arrowE
         + "EnableTimestampPicos="
         + (picosEnabled ? "1" : "0")
         + ";"
-        + (arrowEnabled ? ITBase.FORCE_READ_API_PROPERTIES : "EnableHighThroughputAPI=0;");
+        + (arrowEnabled
+            ? ITBase.FORCE_READ_API_PROPERTIES + "MaxResults=1;"
+            : "EnableHighThroughputAPI=0;");
   }
 
   @Test
diff --git a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITStatementTest.java b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITStatementTest.java
index e73f2395b493..3bdd48774e03 100644
--- a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITStatementTest.java
+++ b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITStatementTest.java
@@ -34,6 +34,7 @@
 import com.google.cloud.bigquery.Table;
 import com.google.cloud.bigquery.TableResult;
 import com.google.cloud.bigquery.jdbc.BigQueryConnection;
+import java.io.IOException;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.ResultSet;
@@ -490,4 +491,25 @@ public void testNonIdempotentCreateTableAndDrop() throws SQLException {
       }
     }
   }
+
+  @Test
+  @Tag("advanced")
+  public void testHighThroughputApiFallbackNoReadApi() throws IOException, SQLException {
+    String saNoReadApi = requireEnvVar("SA_EMAIL_NO_READAPI");
+
+    String connectionUri =
+        ITBase.connectionUrl
+            + ";ServiceAccountImpersonationEmail="
+            + saNoReadApi
+            + ";MaxResults=10;"
+            + ITBase.FORCE_READ_API_PROPERTIES;
+
+    try (Connection connection = DriverManager.getConnection(connectionUri)) {
+      assertNotNull(connection);
+      assertFalse(connection.isClosed());
+
+      Statement statement = connection.createStatement();
+      validateStatement(statement, 50, "BigQueryJsonResultSet");
+    }
+  }
 }