sum: built on saltwater marshes and crisscrossed by canals, experienced problems with its water supply for most of its history

the Great Council prohibited禁止 the washing of all cloth and dyed woolens in the canals, adding that water used for dyeing could not be flushed into the canals.

Thanks to resistanceon the part of the dyers, infractionsinfringement violation were many

most of the dye works that used blood or indigo(a dark blue dye) had shifted to the periphery

The canals of Venice began to be protected in the name of nascent ecological awareness

In less affluent areas of the city, cisterns were often owned and maintained by neighborhood groups.

In crowded parts of the city where landlords offered small house for rent, one or two cisterns were provided for each street

Every public square in the city had a cistern to serve the poorest venetians.

a new program of cistern construction and repair was undertaken

a number of projects were suggested during the fourteenth and fifteenth centuries to channel river water and even to construct an aqueduct