Wastewater, effluent, sludge and slurry treatment systems for the purpose of clarifying wastewater for water reclamation, recycling and re-use, comprised of chemical treatment units, solids coagulation and flocculation units, solids separation and dewatering units, water and solids containment tanks; drilling fluid treatment systems for the purpose of removing cuttings and recovering and re-using drilling fluid, comprised of chemical treatment units, solids coagulation and flocculation units, solids separation and dewatering units, water and solids containment tanks; receiving boxes, sold as components for wastewater, effluent, sludge, slurry and drilling fluid treatment systems