Common use of Water Quality Clause in Contracts

Water Quality. (a) It shall be the objective of the State and the State shall take all reasonable measures to make available, at all delivery structures for delivery of project water to the District, project water of such quality that the following constituents do not exceed the concentrations stated as follows: WATER QUALITY OBJECTIVES FOR THE METROPOLITAN WATER DISTRICT OF SOUTHERN CALIFORNIA Constituent Unit Monthly Average Average for any 10-year Period Maximum Total dissolved solids ppm. 440 220 - Total hardness ppm. 180 110 - Chlorides ppm. 110 55 - Sulfates ppm. 110 20 - Sodium percentage % 50 40 - Fluoride ppm. - - 1.5 Lead ppm. - - 0.1 Selenium ppm. - - 0.05 Hexavalent Chromium ppm. - - 0.05 Arsenic ppm. - - 0.05 Iron and Manganese together ppm. - - 0.3 Magnesium ppm. - - 125. Copper ppm. - - 3.0 Zinc ppm. - - 15. Phenol ppm. - - 0.001

Water Quality. (a) It shall be the objective of the State and the State shall take all reasonable measures to make available, at all delivery structures for delivery of project water to the District, project water of such quality that the following constituents do not exceed the concentrations stated as follows: WATER QUALITY OBJECTIVES FOR THE METROPOLITAN ALAMEDA COUNTY WATER DISTRICT OF SOUTHERN CALIFORNIA Constituent Unit Monthly Average Average for any 10-year Period Maximum Total dissolved solids Dissolved Solids ppm. 440 220 - -- Total hardness ppm. Hardness ppm 180 110 - -- Chlorides ppm. 110 55 - -- Sulfates ppm. 110 20 - -- Sodium percentage Percentage % 50 40 - -- Fluoride ppm. - - -- -- 1.5 Lead ppm. - - -- -- 0.1 Selenium ppm. - - -- -- 0.05 Hexavalent Chromium ppm. - - -- -- 0.05 Arsenic ppm. - - -- -- 0.05 Iron and Manganese together ppm. - - -- -- 0.3 Magnesium ppm. - - 125. -- -- 125.0 Copper ppm. - - -- -- 3.0 Zinc ppm. - - 15. -- -- 15.0 Phenol ppm. - - -- -- 0.001

Water Quality. (a) It shall be the objective of the State and the State shall take all reasonable measures to make available, at all delivery structures for delivery of project water to the District, project water of such quality that the following constituents do not exceed the concentrations stated as follows: WATER QUALITY OBJECTIVES FOR THE METROPOLITAN SANTA XXXXX COUNTY FLOOD CONTROL AND WATER CONSERVATION DISTRICT OF SOUTHERN CALIFORNIA Constituent Unit Monthly Average Average for any 10-year Period Maximum Total dissolved solids Dissolved Solids ppm. 440 220 - -- Total hardness ppm. Hardness ppm 180 110 - -- Chlorides ppm. 110 55 - -- Sulfates ppm. 110 20 - -- Sodium percentage Percentage % 50 40 - -- Fluoride ppm. - - -- -- 1.5 Lead ppm. - - -- -- 0.1 Selenium ppm. - - -- -- 0.05 Hexavalent Chromium ppm. - - -- -- 0.05 Arsenic ppm. - - -- -- 0.05 Iron and Manganese together ppm. - - -- -- 0.3 Magnesium ppm. - - 125. -- -- 125.0 Copper ppm. - - -- -- 3.0 Zinc ppm. - - 15. -- -- 15.0 Phenol ppm. - - -- -- 0.001