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The City of San Diego contracted with Downstream Services and consulting firms to perform emergency sonar assessment and cleaning of five large diameter sewer siphons.
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In 2019, the largest earthquake to hit California in over two decades caused major damage to the town
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Long Beach Water Department Groundwater Treatment Plant Tank Replacement
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Under a City of Ventura Storm Drain Maintenance contract, Downstream Services Stormwater Department discovered
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Glen Ivy Hot Springs Flow Monitoring
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The City of Manteca contracted with Downstream Services to repair 8,250 ft of 30-inch diameter