Yes, it's illegal in Texas to spread ashes. This is due to the possibility of environmental contamination and the risk that diseases will spread. Ashes can be spread on the ground and mixed with topsoil, which could eventually lead to contamination of waterways. This can lead to contamination of drinking water and wildlife problems. Spreading Ashes may seem harmless, but it can have serious consequences. You should consult your local authorities if you wish to scatter the ashes of a deceased loved one.