You need water for your productions and greenhouses ?
You could melt the snow and turn it into water!
If you don't have snow you can use a Stonewell, it will generate water for a little amount of money.

Snow Melter
Price: 65.000$
Daily Upkeep: 200$
Water Capacity: 500.000 Liters
Snow Capacity: 90.000 Liters
Daily Production Cost: 600$

Stone Well
Price: 3.000$
Daily Upkeep: 10$
Water Capacity: 3.000 Liters
Water Produced Every Day: 12000/24000/36000 Liters
Daily Production Cost: 240/600/960$

Small Water Tank
Price: 5.000$
Daily Upkeep: 20$
Water Capacity: 20.000 Liters

Medium Water Tank
Price: 50.000$
Daily Upkeep: 50$
Water Capacity: 200.000 Liters