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STATE OP,CALIFORNIA <br /> � PETE WILSON, Governor <br /> (;ALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION ,.ate <br /> 3443 ROUTIER ROAD. SUITE A __ <br /> SACRAMENTO, CA 95827-3098 e <br /> PHONE: (916) 361-5600 0 <br /> FAX: (916) 361-5686 "` <br /> 28 September 1992 SEP 3 0 1992 <br /> i�iVIRQNMENTAL HEALTH <br /> �EblNl�1'i�t�ct�k►ccg <br /> Mr. Richard Larrouy <br /> San Joaquin County Planning Division <br /> Community Development Department <br /> 1810 E. Hazelton Ave. <br /> Stockton, CA 95205 <br /> APPLICATION MS-92-133, T&C WITT <br /> I met with Ted Witt at the cattle feeding site at 2357 Rolerson Road on 22 <br /> September 1992 to discuss management of a pond that is surrounded by corrals <br /> and collects corral runoff. Mr. Witt indicated that the pond had not been <br /> pumped out on cropland for two years and that the level of the pond was <br /> controlled by evaporation. <br /> The electrical conductivity of the water in the pond 22 September 1992 was <br /> 8400 micromhos/cm which indicates accumulation of salt and nutrient. I <br /> explained that left in that condition, the pond is considered a threat to <br /> ground water quality. <br /> Mr. Witt suggested a management plan in which water will be pumped from the <br /> pond onto cropland and the water would be replaced with irrigation tail water <br /> or water from the river. This would greatly reduce the salt and nutrient <br /> loading of the pond and should alleviate the threat to ground water quality. <br /> The acreage of cropland available appears to be adequate to assimilate th6 <br /> nutrient loading. I suggested that the pond water be tested from time to time <br /> to determine nitrogen levels. <br /> On 23 September 1992, Mr. Witt submitted a written wastewater management plan. <br /> The plan, if implemented, should allow adequate protection of water quality at <br /> the site. A copy of the plan is enclosed for your reference. <br /> If you have any questions, please call me at (916) 361-5711. <br /> ZU I S F. PRATT <br /> Land & Water Resource Specialist <br /> Enclosure <br /> LFP: Idj <br /> cc: Mr. James Miller, San Joaquin County Public Health Services, Stockton <br /> Mr. Ted Witt, Wood Bridge <br />