diff --git a/rct229/rulesets/ashrae9012019/ruleset_functions/get_swh_uses_associated_with_each_building_segment.py b/rct229/rulesets/ashrae9012019/ruleset_functions/get_swh_uses_associated_with_each_building_segment.py
new file mode 100644
index 000000000..99be00d56
--- /dev/null
+++ b/rct229/rulesets/ashrae9012019/ruleset_functions/get_swh_uses_associated_with_each_building_segment.py
@@ -0,0 +1,28 @@
+from rct229.utils.jsonpath_utils import find_all
+
+
+def get_swh_uses_associated_with_each_building_segment(
+    rmd: dict, building_segment_id: str
+) -> list[str]:
+    """
+    This function gets all the SWH uses connected to a building segment or an empty list if no service water heating uses are found in the building segment. This function is primarily to encapsulate getting service water heating uses in one function so that if a change is made in the schema as to how service water heating use is specified,
+    the RCT only needs to change in one place .
+
+    Parameters
+    ----------
+    rmd: dict
+        RMD at RuleSetModelDescription level
+    building_segment_id: str
+        building segment id
+
+    Returns
+    -------
+    swh_uses_list: list
+        A list containing the ids of all service water heating uses associated with a building segment
+    """
+
+    swh_uses_list = find_all(
+        f'$.buildings[*].building_segments[*][?(@.id="{building_segment_id}")].zones[*].spaces[*].service_water_heating_uses[*].id',
+        rmd,
+    )
+    return swh_uses_list
diff --git a/rct229/rulesets/ashrae9012019/ruleset_functions/get_swh_uses_associated_with_each_building_segment_test.py b/rct229/rulesets/ashrae9012019/ruleset_functions/get_swh_uses_associated_with_each_building_segment_test.py
new file mode 100644
index 000000000..f1b0c546e
--- /dev/null
+++ b/rct229/rulesets/ashrae9012019/ruleset_functions/get_swh_uses_associated_with_each_building_segment_test.py
@@ -0,0 +1,65 @@
+from rct229.rulesets.ashrae9012019.ruleset_functions.get_swh_uses_associated_with_each_building_segment import (
+    get_swh_uses_associated_with_each_building_segment,
+)
+from rct229.schema.schema_utils import quantify_rmd
+from rct229.schema.validate import schema_validate_rmd
+
+TEST_RMD = {
+    "id": "test_rmd",
+    "buildings": [
+        {
+            "id": "Building 1",
+            "building_open_schedule": "Required Building Schedule 1",
+            "building_segments": [
+                {
+                    "id": "Building Segment 1",
+                    "zones": [
+                        {
+                            "id": "Zone 1",
+                            "spaces": [
+                                {
+                                    "id": "Space 1",
+                                    "service_water_heating_uses": [
+                                        {"id": "service water heating uses 1"},
+                                        {"id": "service water heating uses 2"},
+                                    ],
+                                },
+                            ],
+                        }
+                    ],
+                }
+            ],
+        }
+    ],
+    "type": "BASELINE_0",
+}
+
+TEST_RPD_FULL = {
+    "id": "229",
+    "ruleset_model_descriptions": [TEST_RMD],
+    "data_timestamp": "2024-02-12T09:00Z",
+}
+
+TEST_RMD = quantify_rmd(TEST_RPD_FULL)["ruleset_model_descriptions"][0]
+
+
+def test__TEST_RPD__is_valid():
+    schema_validation_result = schema_validate_rmd(TEST_RPD_FULL)
+    assert schema_validation_result[
+        "passed"
+    ], f"Schema error: {schema_validation_result['error']}"
+
+
+def test__get_swh_uses_associated_with_each_building_segment__bldg_segment_ids_exist():
+    assert get_swh_uses_associated_with_each_building_segment(
+        TEST_RMD, "Building Segment 1"
+    ) == ["service water heating uses 1", "service water heating uses 2"]
+
+
+def test__get_swh_uses_associated_with_each_building_segment__bldg_segment_id_not_exist():
+    assert (
+        get_swh_uses_associated_with_each_building_segment(
+            TEST_RMD, "Building Segment 2"
+        )
+        == []
+    )