Northern water snake The belly also varies in color. It can be white, yellow, or gray. Usually it also has reddish or black crescents. The northern water snake is nonvenomous and harmless to humans, but superficially resembles the venomous cottonmouth and is often killed unnecessarily as a result of this mistaken identity. The two can be easily distinguished by morphological traits: the water snake has a longer, more slender body and a flattened head the same width as the neck, round pupils, and no heat-sensing pits. The cottonmouth has a fatter body, a wedge-shaped head with prominent venom glands that are wider than
Water supply and sanitation in Honduras water systems provided water on an intermittent basis, for an average duration of 6 hours a day. In 51% of urban water systems was drinking water disinfected, and only 3% of collected wastewater was treated. The country has water resources for a water potential of 1,542 m/s, but in 2006 only 88.5 m/s (6%) were used for consumption, whereof 75 m/s was used for irrigation and 13.5 m/s for domestic and industrial use. There are high levels of pollution. The 4,300 rural water supply systems extract their water from the following sources: Water supply systems which use gravity correspond to