OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00564
PWS Name: BAY HILLS WATER ASSOCIATION
 
Who Was Contacted and Phone: John Mackown (541) 265-3245
Contact Date: 01/12/2010
Contacted By: MACPHERSON, JAMES (REGION 2)
Contact Method/Location: Office
 
Assistance Type: OTHER REGULATORY - REGULATORY ASSISTANCE
Reasons: SWTR
Operations
 
Details: SUMMARY: Reply to questions regarding LT2 treatment options DETAILS: John asked several questions about options if chosing to commit to log-5.5 treatment in response to LT2. 1) How much credit can a system get from a Watershed Control (Protection) Plan? We discussed plan features and 0.5-log credit. 2) How are the results of E. coli evaluated? Annual mean of >10 E. coli/100 mL is the threshold in still waters. 3) What is the analyte in re-sampling in 2019? Cryptosporidium. 4) What treatment certification is needed for a chlorination, cartridge & UV system with corrosion control? Treatment Class 1. ACTION NEEDED: None