Ground water in the San Jacinto and Temecula basins, California . s but has 50 parts per million ofchloride and 93 parts per million of bicarbonate. Its alkali coeffi-cient is 34 inches and it is therefore classed as good for irrigation. The water of well 3, at IMidland school, is poor for irrigation. Itcontains 942 parts per million of total soUds, of which 350 parts arechloride. WeU 4, at Moreno school, contains 400 parts of solids, butits quality for irrigation is fah*, because the solids consist chiefly ofbicarbonates, which are not so objectionable in waters to be usedfor irrigation as th
Ground water in the San Jacinto and Temecula basins, California . s but has 50 parts per million ofchloride and 93 parts per million of bicarbonate. Its alkali coeffi-cient is 34 inches and it is therefore classed as good for irrigation. The water of well 3, at IMidland school, is poor for irrigation. Itcontains 942 parts per million of total soUds, of which 350 parts arechloride. WeU 4, at Moreno school, contains 400 parts of solids, butits quality for irrigation is fah*, because the solids consist chiefly ofbicarbonates, which are not so objectionable in waters to be usedfor irrigation as the chlorides, sulphates, and normal carbonates. PEBRIS AND CHARACTEE. The Ferris area embraces a stretch of the vaUey land 3 to 4 mileswide extending from the northwest rim of the San Jacinto basin atBox Springs southward through Alessandro and Ferris valleys to thelow divides that separate the Ferris VaUey from Menifee and Win-chester valleys. The greater part of the vaUey north of Ferris is TJ. S. GEOLOGICAL SUEVET WATER-SUPPLY PAPEE 429 PLATE XI. A. SAN JACINTO RIVER NEAR PERRIS.
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