News Headlines
From news.glin.net:

Tapping into Great Lakes may start 'water wars'
CBC News (7/11)
Thunder Bay, Ontario's mayor says he'll fight to prevent Waukesha, Wis., from using Great Lakes water. Waukesha's municipal boundaries fall outside the Great Lakes watershed.

Flint plans to start using own river water Monday
WWMT-TV - Kalamazoo, MI (4/18)
City officials have opened an intake pipe from the Flint River and plan to begin processing its water next week.

Flint officials won't pinpoint when the city will switch to Flint River as Detroit water charges go higher
MLive (4/16)
City officials are saying little about their timing for using the Flint River for drinking water but Thursday, April 17, for the first time in nearly 50 years, Flint and Genesee County, Mich., won't have a long-term contract in place for buying water from Detroit.

Mayor Barrett makes water pitch to White House
WISN-TV - Milwaukee, WI (4/10)
Milwaukee Mayor Tom Barret will be traveling to the White House to pitch the idea of making Milwaukee America's water capitol.

Flint gets final permit approvals from state to use Flint River for drinking water
MLive (4/10)
The state of Michigan has issued the permits needed for the city of Flint to begin using the Flint River for drinking water, a major step toward ending water purchases from the city of Detroit as early as next week.

Lindenhurst closer to switching to Lake Michigan water
Daily Herald (4/9)
Details are firming up in the yearslong effort to bring Lake Michigan water to Lindenhurst, Illinois, with construction of some portions of the project expected to begin this summer.

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Great Lakes Commission

General Definitions & Abbreviations

bgd: billion gallons per day

bld: billion liters per day

consumptive use: that portion of water withdrawn or withheld from the Great Lakes basin and assumed to be lost or otherwise not returned to the Great Lakes basin due to evapotranspiration, incorporation into products, or other processes (Agreement Article 103; Compact Section 1.2).

Great Lakes surface water (GLSW): the Great Lakes, their connecting channels (the St. Clair River, the Detroit River, the Niagara River and the St. Marys River), and the St. Lawrence River

groundwater (GW): all subsurface water

diversion: a transfer of Water from the basin into another watershed, or from the watershed of one of the Great Lakes into that of another by any means of transfer, including but not limited to a pipeline, canal, tunnel, aqueduct, channel, modification of the direction of a watercourse, a tanker ship, tanker truck or rail tanker but does not apply to water that is used in the basin or Great Lakes watershed to manufacture or produce a product that is then transferred out of the basin or watershed (Agreement Article 103; Compact Section 1.2)

intrabasin transfer: a transfer of water from the watershed of one of the Great Lakes into the watershed of another Great Lake (Agreement Article 103; Compact Section 1.2)

level of accuracy: the quality of data based on percentage of total volume and rated as 1) measured; 2) partially measured or 3) estimated,

level of aggregation: the quality of data based on percentage of total volume and rated as 1) originating from site-specific sources or 2) originating from higher level aggregate sources, such as county or census databases

mgd: million gallons per day

mld: million liters per day

other surface water (OSW): tributary streams, lakes, ponds, and reservoirs within the Great Lakes basin

threshold facility: a facility withdrawing in excess of the Great Lakes-St. Lawrence Compact/Agreement uniform trigger level of 100,000 U.S. gallons/day (380,000 liters/day) averaged over a 30-day period. A threshold facility is determined by the total withdrawal (or consumption) of all sources combined (Great Lakes-St. Lawrence surface water, other surface water, and groundwater) rather than a single source.

tgd: trillion gallons per day

tld: trillion liters per day

withdrawal amount: the taking of Water from surface Water or groundwater (Agreement Article 103, Compact Section 1.2).