| 41. | Worn-out sewage treatment plants at Yellowstone dump untreated waste into nearby streams and lakes.
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| 42. | Today this is less the case because several sewage treatment plants have been created.
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| 43. | A sewage treatment plant filters most of the raw sewage from the surrounding communities.
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| 44. | The park is situated atop a sewage treatment plant off the coast of Harlem.
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| 45. | So this is where the city built a sewage treatment plant and a landfill.
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| 46. | The cost of building a new sewage treatment plant was a staggering $ 4 billion.
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| 47. | The deluge polluted more than 200 sewage treatment plants and nearly 400, 000 private wells.
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| 48. | The sewage treatment plant won't be built for months.
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| 49. | A sewage treatment plant also discharges into the creek.
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| 50. | A sewage treatment plant nearby will provide cheap water.
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