GLWA GREAT LAKES WATER AUTHORITY

Sewage disposal plants; Sewage treatment plants

Water supply; Water distribution and supply; Water supplying; Public utilities in the nature of supplying water; Water distribution; Distribution and supply of water; Recycled water distribution services for others; Domestic water distribution services for others; Public utility services in the nature of water distribution; Water supply and distribution services

Water treatment services; Treatment of water; Biological waste water treatment services; Waste water treatment services; Water treatment and purification