1	HB Planning Commission Parkside 9/10/2002 Robert W. Harrison, PE President Conex Systems 714-968-1369 ConexSys@socal.rr.com
2	County of Orange HCA/Environmental Health Division Bolsa Chica (BC)/East Garden Grove Wintersburg Channel (EGGWC) Bacteriological Monitoring Total Coliform (TC), E.Coli (EC), Enterococcus (ENT) Most Probable Number per 100 ml Sample
3	Slater Pump Station EGGWC Water Quality Evidence shows high bacteriological levels Total Coliform E. Coli Enterococcus High levels of phosphates, nitrates and heavy metals (Bolsa Chica Restoration EIR) Parkside will create additional runoff which will add to the existing bacteriological levels The impact of this additional influx into the pump station on the bacteriological levels has not been, but must be defined The Wintersburg Channel empties into outer Bolsa Chica Bay and then through Huntington Harbour increasing pollutant levels in both What treatment processes will be used to reduce these levels?
4	Slater Pump Station Permits HB Department of Public Works (HPDPW) insists no permits will be required for any work on the Slater Pump Station Stated that Pumps #4 & #5 were installed without County permits Orange County records show that ALL inlets to EGGWC (C05) were properly permitted by HB – David Webb, County of Orange 9/4/02 Original permits (1964 & 1965) Additional pumps to the C05 channel, 3 outlet repairs & 5 new outlets constructed (5/15/75) Parkside EIR (5/27/98 & 8/10/01) Orange County has responded to HB and stated: Permits Will be Required Only the issue of the discharge quantity has been addressed Does not address the issue of bacteriological discharge
5	Land History Wetlands Origins Much of the land is below sea level Land elevation requiring substantial fill 5½ to 10½ feet Remains of the original wetlands still exists Salt tolerant plants are still present Pickle Weed Wetlands validation Core samples would be adequate Validate if the anaerobic line still exists defining a wetlands Historical maps show area as a wetlands Original ocean inlet was through the beach south of Warner Avenue
6	Best Land Usage Recommendation Structured wetlands – Public acquisition Provide a filter basin for the EGGWC Natural treatment for water purification prior to entering outer Bolsa Chica Bay and Huntington Harbour Provides a buffer for flood control Provides additional wildlife habitat Working successfully for the Irvine Ranch Water District San Joaquin Wildlife Sanctuary Just announced that a land parcel at the El Toro Base is being earmarked as a structured wetlands