OM Services
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Flood Control Infrastructure Maintenance
The County of Orange maintains 380 miles of concrete, rock-lined and earthen flood control facilities. Flood control facilities are designed to handle water flow from storm drains and other runoff…
Protecting the Environment
The Santa Ana River and its shoreline are home to numerous threatened or endangered species, including the Santa Ana sucker, the least Bell's vireo, the southwestern willow flycatcher, and the…
Lower Santa Ana River
Improvements to 23 miles of existing channel from Weir Canyon Road to the Pacific Ocean include channel widening, improvement to the existing Greenville-Banning Channel located parallel to the river…