If you're talking Gaseous release the release rate at most BWRs is roughly the same as at a PWR. Liquid releases are not even close as most BWRs never have to release liquid to the environment.
As for dose, hmmmm, I can tell you this, the BWR I came from had far lower doses than the PWR at which I currently work, and we never came near the total dose that I've seen in two outages here. I get more dose in an Aux Building tour than I'd get in a week of reactor building tours at my old BWR.
If you pop a fuel rod at a BWR its not all that major and doesn't effect outage dose rates like in a PWR.
I also got a lot less dose from being up-close and personal on the BWR turbine, than I did in the world of tiny boric acid leaks bringing CRUD to ya in the PWR world.
Once H2 injection went in, there were some streamers and higher dose rates in a few select portions of the BWR piping.
My major concern with BWR over PWR comes from the scenario where a BWR has been running a 24 month cycle MOX fuel, you're at EOL, and a 100% load reject occurs. Seems that with voids gone, the SDM is really low. Yes,a PWR under similar scenario with a MS line break could get there as well, but load rejects are a lot more common.
Another minor feature about PWRs is that with the Rx vessel slightly below ground level, is the ability to gravity feed additional borated water sources.
Overall, having worked a bit in both types, I wouldnt have a problem living at 5281 ft from vessel center on either design. Remember, TMI and Davis-Besse are both PWRs. It depends more on diligence of Maint. and Ops. , we have good plant designs and containments.
On a side note, nuclear side VPs like to push for large units (1300MW if we can get it , yessiree) for perceived economies of scale (fewer bodies/MW). Which is fine, but it means that 1. You are the MSSC in your reserve sharing group, and someone is burning a lot of coal to provide spinning reserve, and 2. An extended outage at a 1300MW is much pricier than buying replacement power for a 600MW unit. If memory serves me right, most of the 6 to 9 month outages from hell have been at large PWRs, yes?