The non sewage waste water (grey, gray?) if the dump won’t do

The Burners have a rather severe problem when it comes to waste disposal. RV’s are very popular out on the playa but most don’t have waste tanks that will handle a full week’s worth of washing. Evaporative ponds for waste wash water have been superceded and newer technologies developed. The Gray-B-Gon is a wind powered device that fits in well with the Burning Man ethos. Flying Saucer evaporation also works well but uses a pump. The term ‘evapotron’ has been appropriated to name these devices and a web site put up to describe the devices – see evapotrons.

These ‘evapotrons’ are active devices that wet a tulle fabric or burlap cloth or something similar to promote evaporation. Besides the mechanics, there are two issues that are worth considering in normal RV practice. These are filtration and disinfecting. Oasis design has good discussion on Common grey water mistakes about these issues. Some more advanced efforts at treating waste wash water can make it somewhat acceptable for cooling devices (wikipedia). It is probably a better (safer) bet to put mechanical art on top of the RV to evaporate the waste. It appears that even a modest system can take care of ten gallons or more per day at Black Rock City.

It used to be that you could let RV wash water waste drain directly to plant covered absorbent soil away from any pond or stream and any traffic or use. That was reasonably safe. Most camping places prohibit such practice these days. There are some creative and portable solutions available if you need to safely handle waste wash water and an RV dump isn’t handy.

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