OHA Drinking Water Services
Contact Report Details
|PWS ID:||OR41 00305|
|PWS Name:||FOREST GROVE, CITY OF|
|Who Was Contacted:||Andy Sewall|
|Contacted By:||ALFAFARA, NICOLE (DWP)|
|Assistance Type:||OTHER WATER QUALITY - Chlorine Supply Shortage|
|Details:||6/16/21: System reached out to DWS staff inquiring about temporarily ceasing prechlorination to stretch sodium hypochlorite supply in response to the potential future chlorine supply shortage.
6/17/21: System ceased prechlorination on 6/16/21, plans to closely monitor residuals, and will keep DWS staff updated.
6/23/21: Current on-site sodium hypochlorite inventory is 378 gallons. A 500 gallon delivery of 12.5% sodium hypochlorite is expected tomorrow (6.24.21) and with this shipment the system's chlorine supply is expected to last until around July 21, 2021.
6/29/21: On 6/22 the system increased finished water chlorine residual target from 0.6 mg/L to 0.9 mg/L and slowly stepped back in to prechlorinating on 6.24.21