I just had my water tested at pet smart. They said it is about 70 ppm so I think it is pretty hard. I am not sure how accurate it is though but I am going to assume it is correct.
Unless you test it elsewhere or yourself, you will likely go with their result. A GH of 70 ppm is very soft. The equivalent degrees (the second measure used in the hobby) is 4 dH. Terms are very subjective and as everyone has seen there is no standard meaning for them, it depends whouses them. But the following list may be helpful in a very gneral way.
0 - 4 dGH 0 - 70 ppm very soft
4 - 8 dGH 70 - 140 ppm soft
8 - 12 dGH 140 - 210 ppm medium hard
12 - 18 dGH 210 - 320 ppm fairly hard
18 - 30 dGH 320 - 530 ppm hard
over 30 dGH over 530 ppm very hard
This means no African rift lake cichlids. Unless of course you take measures to prepare hard water. I've done this myself, but it is not as easy as it sounds.
Any cichlid from South America would be OK in this water. However, tank size enters the picture, and combining cichlid species needs careful thought. None of these species live with any other cichlids in their respective habitats, so putting them together immediately creates risks and subjects the fish to something completely un-natural. One of our members posted a good thread a few weeks back about how we set our fish up to have serious issues like bullying simply by doing things likeputting together mis-matched species. The stress this causes the fish has to play out somehow, and not usually well.
Central American species should be OK here, someone like
@Wills can give you more info on these cichlids. But in a 60g, combining species is again going to be less than easy.