diff --git a/docs/max_severity.ultra b/docs/max_severity.ultra
index 980cc29..a28c46f 100644
--- a/docs/max_severity.ultra
+++ b/docs/max_severity.ultra
@@ -3,7 +3,9 @@ type: geojson
 popupTemplate: false
 options:
   bounds: [-77.64038085937504,37.44433544620035,-77.35868453979496,37.60716014465312]
-  attributionControl: { compact: false }
+  attributionControl:
+    compact: false
+    customAttribution: '<a href="https://maprva.org">MapRVA</a>'
 controls:
   - type: HTMLControl
     position: bottom-left
@@ -32,6 +34,11 @@ controls:
 style:
   extends: https://api.protomaps.com/styles/v4/grayscale/en.json?key=7942a4a49dd1cdb5
   sources:
+    protomaps:
+      type: vector
+      tiles: ["https://api.protomaps.com/tiles/v4/{z}/{x}/{y}.mvt?key=7942a4a49dd1cdb5"]
+      maxzoom: 15
+      attribution: '<a href="https://openstreetmap.org">OpenStreetMap</a>'
     boundary:
       type: geojson
       data: https://maprva.github.io/2025-water-crisis/boundary.geojson
diff --git a/docs/mode_severity.ultra b/docs/mode_severity.ultra
index d352d97..855fb4f 100644
--- a/docs/mode_severity.ultra
+++ b/docs/mode_severity.ultra
@@ -8,7 +8,9 @@ popupTemplate: >
   🟢&nbsp;{{ properties.sev4 }}
 options:
   bounds: [-77.64038085937504,37.44433544620035,-77.35868453979496,37.60716014465312]
-  attributionControl: { compact: false }
+  attributionControl:
+    compact: false
+    customAttribution: '<a href="https://maprva.org">MapRVA</a>'
 controls:
   - type: HTMLControl
     position: bottom-left
@@ -35,6 +37,11 @@ controls:
 style:
   extends: https://api.protomaps.com/styles/v4/grayscale/en.json?key=7942a4a49dd1cdb5
   sources:
+    protomaps:
+      type: vector
+      tiles: ["https://api.protomaps.com/tiles/v4/{z}/{x}/{y}.mvt?key=7942a4a49dd1cdb5"]
+      maxzoom: 15
+      attribution: '<a href="https://openstreetmap.org">OpenStreetMap</a>'
     boundary:
       type: geojson
       data: https://maprva.github.io/2025-water-crisis/boundary.geojson
diff --git a/docs/sev1_median_duration.ultra b/docs/sev1_median_duration.ultra
index 03aec59..e1198a5 100644
--- a/docs/sev1_median_duration.ultra
+++ b/docs/sev1_median_duration.ultra
@@ -4,11 +4,17 @@ popupOnHover: true
 popupTemplate: "{{ properties.duration }} hours<br>{{ properties.count }} reports"
 options:
   bounds: [-77.6,37.44433544620035,-77.35868453979496,37.60716014465312]
-  attributionControl: { compact: false }
-  
+  attributionControl:
+    compact: false
+    customAttribution: '<a href="https://maprva.org">MapRVA</a>'
 style:
   extends: https://api.protomaps.com/styles/v4/black/en.json?key=7942a4a49dd1cdb5
   sources:
+    protomaps:
+      type: vector
+      tiles: ["https://api.protomaps.com/tiles/v4/{z}/{x}/{y}.mvt?key=7942a4a49dd1cdb5"]
+      maxzoom: 15
+      attribution: '<a href="https://openstreetmap.org">OpenStreetMap</a>'
     boundary:
       type: geojson
       data: https://maprva.github.io/2025-water-crisis/boundary.geojson
diff --git a/docs/sev2_median_duration.ultra b/docs/sev2_median_duration.ultra
index b573849..4307478 100644
--- a/docs/sev2_median_duration.ultra
+++ b/docs/sev2_median_duration.ultra
@@ -4,11 +4,17 @@ popupOnHover: true
 popupTemplate: "{{ properties.duration }} hours<br>{{ properties.count }} reports"
 options:
   bounds: [-77.6,37.44433544620035,-77.35868453979496,37.60716014465312]
-  attributionControl: { compact: false }
-  
+  attributionControl:
+    compact: false
+    customAttribution: '<a href="https://maprva.org">MapRVA</a>'
 style:
   extends: https://api.protomaps.com/styles/v4/black/en.json?key=7942a4a49dd1cdb5
   sources:
+    protomaps:
+      type: vector
+      tiles: ["https://api.protomaps.com/tiles/v4/{z}/{x}/{y}.mvt?key=7942a4a49dd1cdb5"]
+      maxzoom: 15
+      attribution: '<a href="https://openstreetmap.org">OpenStreetMap</a>'
     boundary:
       type: geojson
       data: https://maprva.github.io/2025-water-crisis/boundary.geojson
diff --git a/docs/sev3_median_duration.ultra b/docs/sev3_median_duration.ultra
index 2670a43..e42fb16 100644
--- a/docs/sev3_median_duration.ultra
+++ b/docs/sev3_median_duration.ultra
@@ -4,11 +4,17 @@ popupOnHover: true
 popupTemplate: "{{ properties.duration }} hours<br>{{ properties.count }} reports"
 options:
   bounds: [-77.6,37.44433544620035,-77.35868453979496,37.60716014465312]
-  attributionControl: { compact: false }
-  
+  attributionControl:
+    compact: false
+    customAttribution: '<a href="https://maprva.org">MapRVA</a>'
 style:
   extends: https://api.protomaps.com/styles/v4/black/en.json?key=7942a4a49dd1cdb5
   sources:
+    protomaps:
+      type: vector
+      tiles: ["https://api.protomaps.com/tiles/v4/{z}/{x}/{y}.mvt?key=7942a4a49dd1cdb5"]
+      maxzoom: 15
+      attribution: '<a href="https://openstreetmap.org">OpenStreetMap</a>'
     boundary:
       type: geojson
       data: https://maprva.github.io/2025-water-crisis/boundary.geojson