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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00338
PWS Name:	GRAND RONDE COMMUNITY WTR ASSN

Who Was Contacted and Phone:	Karl Ekstrom (503) 879-5624
Contact Date:	05/10/2007
Contacted By:	FARRELLY, PETER (DWP)
Contact Method/Location:	Field

Assistance Type:	OTHER REGULATORY - REGULATORY ASSISTANCE
Reasons:	Operations N/A

Details:	SUMMARY: Wastewater Irrigation near DW Reservoir DETAILS: Karl updated Jim Solvedt and Pete on the wastewater irrigation system Spirit Mountain Casino is installing next to Grand Ronde’s drinking water reservoir later this spring. While Jim and I agree that the risk to the drinking water system is low or non-existent based on previous evaluations, Karl could pursue the following options: Take Heterotrophic Plate Counts (HPC) of the water in the reservoir before and after irrigation system installation Speak with the reservoir manufacturer about options on protective modifications you could make to the reservoir · Request the daily wastewater quality data – specifically coliform counts – from the Casino to assure the treatment plant is producing Level IV quality effluent as designed Letter was written to Karl 5.11.07 to this effect. ACTION NEEDED: Wait to see if Karl wants to setup a mtg with Spirit Mountains engineer, et al.