original: When wells are lost to pollution, there is no town water which can be brought in because the town government has no wells of its own.
simplifications: When wells are lost to pollution, there is no town water which can be brought in.   The town government has no wells of its own. The town government has no wells of its own, so when wells are polluted there is no more water. There is no town water if the wells are lost to pollution. The town government has no wells of its own. When wells become polluted, town water can't be brought in. This is because the town government has no wells of its own. When wells don't work because of pollution, there is no town water because the town does not have its own wells. When wells can no longer be used because of pollution, there is no town water which can be brought in. When wells are polluted, towns can't supply water because the town government has no wells of its own. If wells are polluted there is no town water to buy because the government has no wells. When wells are polluted, the government cannot bring in water because they have no well of their own. When wells are lost due to pollution, there is no city water that can be brought in because the town government has no wells of its own.