Low cold water pressure - Kitchen

[Playtime]

I'm looking for ideas regarding my reduced cold water pressure at the kitchen sink (2008 2720SD). Pressure is reduced (about 1/2 hot water pressure) from storage tank, and on street water. Both hot & cold water pressure is excellent at the bathroom vanity. I've had the top ends of all faucets apart and all is clean/clear. Thanks in advance for any ideas you can offer.