GWCL - Old Works Plant is a Water treatment plant located in Ghana. It is one of the 20 Water treatment plants in Ghana. Address of GWCL - Old Works Plant is Ghana. GWCL - Old Works Plant can be contacted at 233302246269. GWCL - Old Works Plant is located in a remote area, with less than 1 listed places around it. GWCL - Old Works Plant is rated 1 (out of 5 stars) by 1 reviewers on the web.