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OHA Drinking Water Services Water Advisory Details |
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| PWS ID: | OR41 05663 |
| PWS Name: | WILLAMETTE NURSERIES |
| Advisory Type: | Do Not Drink Water |
| Reason: | Arsenic |
| Area Affected: | System-wide |
| Affected Populations: | All |
| Begin Date: | Apr 12, 2019 |
| Date Lifted: | May 21, 2019 |
| Contacted By: | NUSRALA, JAMES (DWP) |
| Who Was Contacted: | Devin Cooper |
| Contact Phone: | 503-263-6405 |
| Details: | An April 9 sample result had 0.046 milligrams per liter (mg/L) Arsenic, which exceeds the 0.035 mg/L acute health risk level. As a result a do not drink public notice needs to be posted within 24 hours. Devin and I discussed the following:
- Today he will complete the pre-populated public notice template, date it, post it around the nursery, and return a copy to DWS.
- Continue on quarterly arsenic testing, with the next test due in 3rd quarter 2019
- Research treatment options and submit fee and materials to DWS for plan review prior to purchasing or installing a unit. He is looking at a point of use device. Treatment will be required as the 4 quarter average exceeds the maximum contaminant level of 0.010 mg/L, given a high result in 1st quarter 2019. Lifted 05/21/2019: This sample was taken at the newly inventoried system called 211 Farm (PWS#4106280). This system was not on the inventory at the time of sampling. I will the do not drink notice for the new system. |
| Associated Alerts: | CHEM8303 - 04/12/2019 - ARSENIC |