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Through our staff’s efforts and services, the Los Osos CSD Water Department provides quality water to approximately 8,500 customers in the communities of Los Osos and Baywood Park.

LOCSD Water System Uses Five Source Wells

Water delivered to LOCSD customers is groundwater that originates from the Los Osos Valley Basin. The five water well sites are known as the Eighth Street Well, Third Street Well, 10th Street Well, Palisades Well and South Bay Well. The groundwater basin is a collection of local drainage basins, streams and creeks and natural percolation from rain, agriculture and domestic use. Water is cleaned through a natural filtration process as it trickles down through the ground. During this process, water may also pick up contaminants found in the soil, either natural or man-made. Groundwater is normally very clean and is simply disinfected to help minimize the chance of any viral and bacterial contamination.

Each well site is equipped with on-line equipment for operation and monitoring purposes. An alarm system is integrated into the monitoring process to notify operators if there is a problem at any well site or District facility. The South Bay and Eighth Street wells have additional filtration equipment designed to remove iron and manganese found in these two wells to aesthetically acceptable levels.

Water Report, MtBE:

MTBE Remediation Site Clean (July 2006)

In August 2000 the District began sampling the 10th St. well site on a monthly basis for MtBE upon learning that a local water supply well in the vicinity had detected MtBE in a water sample. MtBE is a fuel additive in gasoline that has detrimentally impacted many water wells throughout the state. An MtBE clean-up site located up gradient of the well is known to be culprit of the contamination. The 10th St. well is located within 1500 feet of the clean up site. Since sampling begain in August 2000 all laboratory test data indicate non-detect for MtBE. After 3 years of active operations for remediation of the MtBE site – the work is complete. Future testing for MtBE will be in accordance with California Safe Drinking Water Act requirement for testing regulated Volatile Organic Compounds (VOC). Next sampling for MtBE will be performed on a triennial basis beginning in September 2008.


  

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