EWA operates a State-certified laboratory that conducts over 10,000 tests annually including analysis of in-plant samples, wastewater effluent, ocean samples and biosolids. Testing results demonstrate that the EWPCF consistently exceeds regulatory standards. Click here to read more.
EWA’s staff collects more than 2,000 samples a year from the Pacific Ocean, including shoreline and offshore monitoring for elevated bacteria levels. Every five years, a more intensive study is conducted that includes analysis of sediment and various fish species surrounding the ocean outfall. Testing results demonstrate that the local marine environment remains healthy. Click here to read more.
Source Control Program
The discharge of industrial wastewater into the sewer system is controlled through issuance of discharge permits, industry inspections and wastewater monitoring. Although only required to do so annually, EWA staff conducts quarterly wastewater sampling to ensure businesses are complying with their discharge permit limitations. Click here to read more.
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Copyright 2011 by Encina Wastewater Authority