Water Treatment Systems for Private Water System Ponds: The water treatment system for a pond is designed to work in stages to maximize the effectiveness and make the water potable and safe for drinking.
The annual federal duck stamp had a face value of $1 in 1934, jumped to $2 in 1949, and to $3 in 1959. In 1972 the price increased to $5, then up to $7.50 in 1979, $10 in 1987, $12.50 in 1989 and to $15 in 1991. In 2015 the price of federal duck stamp rose to $25. For every $15 stamp sold, the federal government retains $14.70 for wetlands acquisition and conservation, so very little gets lost in the system for overhead. Most state conservation stamps have a face value of $5.
The Federal Duck Stamp, formally known as the Migratory Bird Hunting and Conservation Stamp, is an adhesive stamp issued by the United States federal government that must be purchased prior to hunting for migratory waterfowl such as ducks and geese.