hesp hespy makes up one quarter of the water supply. a couple other water supplies, elenore and cherry that provide water for hydropower generation and to meet obligations for the senior water rights of the modesto irrigation districts. they own and operate don pedro but the sfpuc pays for half of that in exchange for water bank which holds as much water as one and a half hech hech -- hetc h hetcys. we have wonderful water rights, it's only in the dry years where they are not so good. in fact, in an average year, the sfpuc is entitled to three times as much water as it needs. this is an old demand. i'll be showing you demand has decreased quite a bit. storage is an important component of the system. you can see they have about 1.5 million acre-feet of storage. at the height of the recent drought, they still had three years of water in storage. the water bank went down but they manage it in a way that there was all this water. following the five-year drought, the state was still in drought, we had the four-year period and an average year