71.   In some cases, treatment systems will be required to clean the water before it is sent to storm drains.

72.   Investigators were looking into the possibility that hazardous materials were being illegally dumped into storm drains and from there entering the sewer system, Lawson said.

73.   Investigators were looking into the possibility that hazardous materials were being illegally dumped into storm drains and from there entering the sewer system, Lawson and Gordon said.

74.   Later Tuesday, residents began cleaning up their homes, and neighborhood work parties sprung up like mushrooms to clear streets of branches and unclog storm drains.

75.   Neighborhood work parties sprung up to clear streets of branches and unclog storm drains.

76.   Prosecutors allege Greineder wore gloves that he threw into nearby storm drains, along with the hammer and knife used in the slaying.

77.   Prosecutors allege Greineder was wearing gloves and threw them into nearby storm drains, along with a hammer and knife used in the slaying.

78.   Prosecutors allege Greineder was wearing gloves and threw them into nearby storm drains, along with the hammer and knife used in the slaying.

79.   Researchers believe the algae got into the lagoon when someone dumped the contents of their aquarium into a storm drain or into the lagoon itself.

80.   Seven of the tunnels connected to storm drains linking the two cities named Nogales on either side of the Arizona border.