WATER LAW DEFINITION
Water law is a complex combination of common law and statutory law and implementing regulations. This body of law can generally be divided into two substantive areas: rights to use water and restrictions on pollution of water.
Water use law practice starts at the fundamental level with the rights of owners of property abutting a surface water, i.e. riparian owners, to use water without unreasonably interfering with the rights of other riparian owners. This can involve both withdrawing and using water or diverting the flow of surface water. The withdrawal of groundwater is also regulated where necessary to avoid overuse of aquifers. A body of state statutes and regulations regulates certain uses of water, such as transfers of water from one river basin to another, withdrawal of groundwater from overused aquifers, impoundment of water, and construction of wells. In addition, the Federal Safe Water Drinking Act regulates the treatment of water by water supply systems.
Water pollution law practice is an extraordinarily complex area of common law and regulatory programs. It can involve areas of common law such as nuisance, trespass, and negligence, but more often it involves an interwoven and overlapping network of federal and state statutes and regulations. A partial list includes state laws regulating surface water discharges from point sources; sedimentation and erosion; stormwater runoff; land uses in nutrient-sensitive waters and water supply watersheds; and sources of groundwater pollution. Federal regulatory programs include regulation of wetlands and construction in navigable waters and establishment of total maximum daily loads in highly polluted surface water bodies.
Clients in this area of practice include local governments, utilities, private developers, and industries seeking to build or expand water supply and waste treatment facilities, or engaging in large land development projects involving wetlands, stormwater controls, and water-dependent uses such as docks and marinas.
Representation of such clients frequently involves compliance counseling to obtain agency permits, and sometimes includes administrative litigation when the agency denies approval or when another person challenges an approval. Water law practice also can involve litigation in court, sometimes in the form of appeals of agency decisions, penalties or orders and sometimes private party claims based on nuisance, negligence, trespass, interference with riparian rights, or citizens’ suits to address alleged violations of regulatory requirements.
H. Glenn T. Dunn, Partner
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