diff --git a/app/models/pool.rb b/app/models/pool.rb
index c4b0d6402..8f93bc3cd 100644
--- a/app/models/pool.rb
+++ b/app/models/pool.rb
@@ -325,6 +325,14 @@ class Pool < ApplicationRecord
       errors[:name] << "cannot contain commas"
     when /\*/
       errors[:name] << "cannot contain asterisks"
+    when /\A_/
+      errors[:name] << "cannot begin with an underscore"
+    when /_\z/
+      errors[:name] << "cannot end with an underscore"
+    when /__/
+      errors[:name] << "cannot contain consecutive underscores"
+    when /[^[:graph:]]/
+      errors[:name] << "cannot contain non-printable characters"
     when ""
       errors[:name] << "cannot be blank"
     when /\A[0-9]+\z/