Can you tell me 2 types of water issues?

or:Can you tell me 2 types of water issues?or:too much water - floodnot enough water - droughttoo much water on an unstable hillside - landslipcontam

or:Can you tell me 2 types of water issues?

or:too much water - floodnot enough water - droughttoo much water on an unstable hillside - landslipcontaminated drinking watertoo much water taken from rivers for irrigation - no water downstream

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