OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 94011
PWS Name: LOST VALLEY EDUCATIONAL CENTER
 
Who Was Contacted: SHARON FRANTZ, THEO LANE
Contact Phone: (Email address hidden)
Contact Date: 11/20/2025
Contacted By: SEERUP, JOSH (DWP)
Contact Method/Location: Email
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Coliform
 
Details: Source assessment sample collected 11/19/2025 at well #2 was total coliform and E. coli positive. Spoke with Theo and emailed system advising system to collect five confirmation samples from that source within 24 hours, and to follow-up with Lane County. Beyond the 5 confirmation samples, no other actions required at this time.

Of note, system has 4-log viral inactivation in treatment in place, and a distribution system sample collected at the same date was free of coliform bacteria with a free chlorine residual of 0.4 mg/L.

Correction 10/21/2025: Due to the 4-log treatment, the confirmation samples are not required. Emailed system to call off thee confirmation samples.

 
Associated Alerts: TCR-4926 - 11/20/2025 - E. COLI  See also: 11/21/2025

TCR-4925 - 11/20/2025 - COLIFORM (TCR)