61.   Nonetheless, Pritchard said he supports the legislation because park facilities, including employee housing and sewage treatment plants, are deteriorating.

62.   Now, a sewage plant here is turning its unwanted gas into electricity and heat.

63.   One problem is that much of the pollution comes from unregulated parties, like small farms, as opposed to factories, power plants and sewage treatment plants.

64.   Others, like Chicago, built huge underground storage tunnels that hold excess wastewater until dry weather returns and the polluted water can be pumped to sewage treatment plants.

65.   Over the years, sites near the West Palm Beach grave hosted a slaughterhouse, a dump and a sewage plant.

66.   Overflowing lagoons of animal waste and runoff from sewage plants have deluged water treatment systems.

67.   Over the years, sites near the Tamarind mass grave hosted a slaughterhouse, a dump and a sewage plant.

68.   Sewage plants sometimes discharge dirty water.

69.   So this is where the city built a sewage treatment plant and a landfill.

70.   State and local governments have been successful at combating pollution from source points such as factories and sewage plants.