An environmental sampling and assay system, having a coupon storage assembly, storing coupons; an environment sampling assembly, the sampling assembly mixing an environmental sample with a liquid to create a sample-liquid, bearing the environmental sample; a coupon moving assembly; a coupon wetting assembly for automatically wetting a coupon with the sample-liquid; a coupon perceiving device; a data input, adapted to receive a signal; and a data processing and control assembly, controlling the environmental sampling system, the coupon moving assembly, the wetting assembly and the coupon perceiving device. Further, the coupon moving assembly can retrieve a coupon from the coupon storage assembly and move it in a linear manner to the coupon wetting assembly.