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yaroslavvb | 5 months ago

Stricter (but not looser) standards can be imposed on state level. Canada has no binding national drinking water law, they leave it to territories/provinces to decide how to implement guidelines.

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sgnelson|5 months ago

Watersheds don't follow political boundaries.

8note|5 months ago

sometimes they do.

the Alberta/British Columbia border is defined by which direction water drains off the mountains