News Headlines
From news.glin.net:

Plans for south Jefferson waterline build momentum
Watertown Daily Times (8/28)
For homeowners in southwestern Jefferson County, N.Y., many of whom use wells, access to municipal water pumped from Lake Ontario would be a major improvement.

Geysers on the Maumee
The Toledo Blade (8/18)
A geyser is not something you expect to see while traveling along or over the Maumee River, but in 1952 you might have seen one.

Lake Erie: Is it time to worry again about its health?
Erie Time-News (8/12)
Lake Erie is the shallowest and warmest of the Great Lakes, making biological conditions more conducive for algae growth, and making the lake more susceptible to effects of climate change. And invasive species are a persistent threat.

Surfing on the Great Lakes has its own culture
Second Wave (8/12)
Surfing on the Great Lakes draws more adventurous surfers in recent years to northern Michigan. While it may not be a surf mecca along the lines of Oahu, it has a style all its own, say its devotees.

Milwaukee finds a fix for stormwater overflows: Abandoned basements
NPR (8/12)
As part of a new citywide sustainability plan and an attempt to reinvent itself as a "fresh coast" capital, Milwaukee is upgrading its water systems, and is researching options for tackling its chronic problems with stormwater management.

COMMENTARY: Time for Ontario to be more ambitious on water
Northumberland View (8/11)
With its new majority, Ontario should pass an ambitious Great Lakes Protection Act and create new financing tools for water management.

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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consumptive use: that portion of water withdrawn or withheld from the Great Lakes basin and assumed to be lost or otherwise not returned to the Great Lakes basin due to evapotranspiration, incorporation into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).