Granger-Hunter Improvement District's Material and Construction Specifications govern the construction of new and modifications to existing infrastructure within the District's boundaries. 

The District has also adopted Consolidated Rules, Regulations and Requirements for Municipal Water and Sanitary Sewer Service. These Rules & Regulations have been adopted to promote the orderly construction, operation, maintenance, repair, replacement and enlargement of the Main Water System and Main Sanitary Sewer System operated by the District, and to establish a uniform set of rules and regulations, contractual in nature, as conditions precedent to the District providing municipal water and sanitary service to Customers within the service area of the District