diff --git a/client/src/components/User/DiskUsage/DiskUsageSummary.vue b/client/src/components/User/DiskUsage/DiskUsageSummary.vue
index 213225582f5e..a8d6c7fbfc50 100644
--- a/client/src/components/User/DiskUsage/DiskUsageSummary.vue
+++ b/client/src/components/User/DiskUsage/DiskUsageSummary.vue
@@ -7,7 +7,12 @@
                     {{ errorMessage }}
                 </b-alert>
                 <div v-if="user">
-                    <QuotaUsageSummary v-if="config.enable_quotas" :user="user" />
+                    <div v-if="config.enable_quotas">
+                        <QuotaUsageProvider v-slot="{ result: quotaUsages, loading: isLoadingUsage }">
+                            <LoadingSpan v-if="isLoadingUsage" />
+                            <QuotaUsageSummary v-else-if="quotaUsages" :quota-usages="quotaUsages" />
+                        </QuotaUsageProvider>
+                    </div>
                     <h2 v-else class="text-center my-3">
                         You're using <b>{{ getTotalDiskUsage(user) }}</b> of disk space.
                     </h2>
@@ -20,15 +25,19 @@
 <script>
 import _l from "utils/localization";
 import { bytesToString } from "utils/utils";
+import LoadingSpan from "components/LoadingSpan";
 import CurrentUser from "components/providers/CurrentUser";
 import ConfigProvider from "components/providers/ConfigProvider";
 import QuotaUsageSummary from "components/User/DiskUsage/Quota/QuotaUsageSummary";
+import { QuotaUsageProvider } from "./Quota/QuotaUsageProvider";
 
 export default {
     components: {
         CurrentUser,
         ConfigProvider,
         QuotaUsageSummary,
+        QuotaUsageProvider,
+        LoadingSpan,
     },
     data() {
         return {
diff --git a/client/src/components/User/DiskUsage/Quota/QuotaUsageBar.vue b/client/src/components/User/DiskUsage/Quota/QuotaUsageBar.vue
new file mode 100644
index 000000000000..ba05c9b464e4
--- /dev/null
+++ b/client/src/components/User/DiskUsage/Quota/QuotaUsageBar.vue
@@ -0,0 +1,54 @@
+<template>
+    <div class="quota-usage-bar w-75 mx-auto my-5">
+        <h2 v-if="!isDefaultQuota">
+            <b>{{ quotaUsage.sourceLabel }}</b> {{ storageSourceText }}
+        </h2>
+        <h3>
+            <b>{{ quotaUsage.niceTotalDiskUsage }}</b> of {{ quotaUsage.niceQuota }} used
+        </h3>
+        <h5 v-if="quotaHasLimit">{{ quotaUsage.quotaPercent }}{{ percentOfDiskQuotaUsedText }}</h5>
+        <b-progress :value="quotaUsage.quotaPercent" :variant="progressVariant" max="100" />
+    </div>
+</template>
+
+<script>
+import _l from "utils/localization";
+import { DEFAULT_QUOTA_SOURCE_LABEL } from "./model/QuotaUsage";
+
+export default {
+    props: {
+        quotaUsage: {
+            type: Object,
+            required: true,
+        },
+    },
+    data() {
+        return {
+            storageSourceText: _l("storage source"),
+            percentOfDiskQuotaUsedText: _l("% of disk quota used"),
+        };
+    },
+    computed: {
+        /** @returns {Boolean} */
+        isDefaultQuota() {
+            return this.quotaUsage.sourceLabel === DEFAULT_QUOTA_SOURCE_LABEL;
+        },
+        /** @returns {Boolean} */
+        quotaHasLimit() {
+            return !this.quotaUsage.isUnlimited;
+        },
+        /** @returns {String} */
+        progressVariant() {
+            const percent = this.quotaUsage.quotaPercent;
+            if (percent < 50) {
+                return "success";
+            } else if (percent >= 50 && percent < 80) {
+                return "primary";
+            } else if (percent >= 80 && percent < 95) {
+                return "warning";
+            }
+            return "danger";
+        },
+    },
+};
+</script>
diff --git a/client/src/components/User/DiskUsage/Quota/QuotaUsageProvider.js b/client/src/components/User/DiskUsage/Quota/QuotaUsageProvider.js
new file mode 100644
index 000000000000..a794b00291aa
--- /dev/null
+++ b/client/src/components/User/DiskUsage/Quota/QuotaUsageProvider.js
@@ -0,0 +1,24 @@
+import axios from "axios";
+import { SingleQueryProvider } from "components/providers/SingleQueryProvider";
+import { getAppRoot } from "onload/loadConfig";
+import { rethrowSimple } from "utils/simple-error";
+import { QuotaUsage } from "./model";
+
+// TODO: replace this with the proper provider and API call after
+// https://github.com/galaxyproject/galaxy/pull/10977 is available
+
+/**
+ * Fetches the disk usage by the user across all ObjectStores.
+ * @returns {Array<QuotaUsage>}
+ */
+async function fetchQuotaUsage() {
+    const url = `${getAppRoot()}api/users/current`;
+    try {
+        const { data } = await axios.get(url);
+        return [new QuotaUsage(data)];
+    } catch (e) {
+        rethrowSimple(e);
+    }
+}
+
+export const QuotaUsageProvider = SingleQueryProvider(fetchQuotaUsage);
diff --git a/client/src/components/User/DiskUsage/Quota/QuotaUsageSummary.vue b/client/src/components/User/DiskUsage/Quota/QuotaUsageSummary.vue
index 638693c5ae7f..8bc00f8a60ed 100644
--- a/client/src/components/User/DiskUsage/Quota/QuotaUsageSummary.vue
+++ b/client/src/components/User/DiskUsage/Quota/QuotaUsageSummary.vue
@@ -1,18 +1,16 @@
 <template>
     <div class="quota-summary">
-        <h2 class="text-center mt-5">
-            You've got <b>{{ totalQuotaString }}</b> of disk quota.
-        </h2>
-        <h4 class="text-center mb-5">
-            {{ quotaDescriptionSummary }}
-        </h4>
+        <div class="text-center my-5">
+            <h2>
+                You've got <b>{{ totalQuotaString }}</b> of total disk quota.
+            </h2>
+            <h4>
+                {{ quotaDescriptionSummary }}
+            </h4>
+        </div>
 
-        <div class="w-75 mx-auto my-5">
-            <h3>
-                <b>{{ usedQuotaString }}</b> of {{ totalQuotaString }} used
-            </h3>
-            <h5>{{ usedQuotaPercent }}% of total disk quota used</h5>
-            <b-progress :value="usedQuotaPercent" :variant="progressVariant" max="100"></b-progress>
+        <div v-for="quotaUsage in quotaUsages" :key="quotaUsage.sourceLabel">
+            <QuotaUsageBar :quota-usage="quotaUsage" />
         </div>
     </div>
 </template>
@@ -20,43 +18,31 @@
 <script>
 import _l from "utils/localization";
 import { bytesToString } from "utils/utils";
+import QuotaUsageBar from "./QuotaUsageBar";
 
 export default {
+    components: {
+        QuotaUsageBar,
+    },
     props: {
-        quotaUsage: {
-            type: Object,
+        quotaUsages: {
+            type: Array,
             required: true,
         },
     },
     data() {
         return {
-            quotaDescriptionSummary: _l("This is the maximum disk space that you can use"),
+            quotaDescriptionSummary: _l(
+                "This is the maximum disk space that you can use across all your storage sources." +
+                    " Unlimited storage sources are not taken into account"
+            ),
         };
     },
     computed: {
         /** @returns {String} */
         totalQuotaString() {
-            return this.quotaUsage.quota;
-        },
-        /** @returns {String} */
-        usedQuotaString() {
-            return bytesToString(this.quotaUsage.total_disk_usage, true);
-        },
-        /** @returns {float} */
-        usedQuotaPercent() {
-            return this.quotaUsage.quota_percent;
-        },
-        /** @returns {String} */
-        progressVariant() {
-            const percent = this.usedQuotaPercent;
-            if (percent < 50) {
-                return "success";
-            } else if (percent >= 50 && percent < 80) {
-                return "primary";
-            } else if (percent >= 80 && percent < 95) {
-                return "warning";
-            }
-            return "danger";
+            const totalQuota = this.quotaUsages.reduce((acc, item) => acc + item.quotaInBytes, 0);
+            return bytesToString(totalQuota, true);
         },
     },
 };
diff --git a/client/src/components/User/DiskUsage/Quota/model/QuotaUsage.js b/client/src/components/User/DiskUsage/Quota/model/QuotaUsage.js
new file mode 100644
index 000000000000..527da52b3291
--- /dev/null
+++ b/client/src/components/User/DiskUsage/Quota/model/QuotaUsage.js
@@ -0,0 +1,71 @@
+import { bytesToString } from "utils/utils";
+
+export const DEFAULT_QUOTA_SOURCE_LABEL = "Default";
+
+/**
+ * Contains information about quota usage for a particular ObjectStore.
+ */
+export class QuotaUsage {
+    constructor(data) {
+        this.data = data;
+    }
+
+    /**
+     * The name of the ObjectStore associated with the quota.
+     * @returns {String}
+     */
+    get sourceLabel() {
+        return this.data.quota_source_label || DEFAULT_QUOTA_SOURCE_LABEL;
+    }
+
+    /**
+     * The maximum allowed disk usage in bytes.
+     * @returns {Number}
+     */
+    get quotaInBytes() {
+        return this.data.quota_bytes;
+    }
+
+    /**
+     * The total amount of bytes used in this ObjectStore.
+     * @returns {Number}
+     */
+    get totalDiskUsageInBytes() {
+        return this.data.total_disk_usage;
+    }
+
+    /**
+     * The percentage of used quota.
+     * @returns {Number}
+     */
+    get quotaPercent() {
+        return this.data.quota_percent;
+    }
+
+    /**
+     * The maximum allowed disk usage as human readable size.
+     * @returns {String}
+     */
+    get niceQuota() {
+        if (this.isUnlimited) {
+            return "unlimited";
+        }
+        return bytesToString(this.quotaInBytes, true);
+    }
+
+    /**
+     * The total amount of disk used in this ObjectStore as human readable size.
+     * @returns {String}
+     */
+    get niceTotalDiskUsage() {
+        return bytesToString(this.totalDiskUsageInBytes, true);
+    }
+
+    /**
+     * Whether this ObjectStore has unlimited quota
+     * @returns {Boolean}
+     */
+    get isUnlimited() {
+        return !this.quotaInBytes;
+    }
+}
diff --git a/client/src/components/User/DiskUsage/Quota/model/index.js b/client/src/components/User/DiskUsage/Quota/model/index.js
new file mode 100644
index 000000000000..43c68fd60b0b
--- /dev/null
+++ b/client/src/components/User/DiskUsage/Quota/model/index.js
@@ -0,0 +1 @@
+export { QuotaUsage } from "./QuotaUsage";