Would you like a side of cotton with your water information?

The San Francisco Public Utilities Commission, a city agency that oversees power, water and wastewater, publishes an online newsletter named Currents.

In an effort to encourage more people to sign up for the electronic newsletter, the agency is giving away 100 t-shirts that profess the wearers’ love for San Francisco water.

New newsletter subscribers will be entered into a t-shirt raffle throughout January and February.