OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 93701
PWS Name: STAFFORD ELEMENTARY
 
Who Was Contacted and Phone: Pat McGough (503) 673-7975
Contact Date: 01/27/2010
Contacted By: FARRELLY, PETER (DWP)
Contact Method/Location: Office
 
Assistance Type: OTHER REGULATORY - REGULATORY ASSISTANCE
Reasons: Coliform
None
 
Details: SUMMARY: GWR DETAILS: 1. There is no virus inactivation credit given your current system design via chlorine or UV.

2. You all need to develop a coliform sampling plan that includes a source sample-site as one of your repeat samples.
Example coliform sampling plan

3. Annual raw water sampling (marked "source" on your coliform sampling sheet)

There is more information on the new GWR website. ACTION NEEDED: see #2 above.