OHA Drinking Water Services
OR41
PWS ID: 00719 ---- UMPQUA BASIN WATER ASSOC


Water System History    -   Click here for Detail View
Date of
Status Change
Active or
Inactive
Primary
Source
PWS
Type
Population PWS
Name
Current Status
10/31/2025
ASWC9,499        UMPQUA BASIN WATER ASSOC
10/31/2025ASW C 9,200        UMPQUA BASIN WATER ASSOC
01/23/2023ASW C 8,900        UMPQUA BASIN WATER ASSOC
02/12/2018ASW C 8,800        UMPQUA BASIN WATER ASSOC
12/21/2012ASW C 9,500        UMPQUA BASIN WATER ASSOC
05/11/2006ASW C 9,500        UMPQUA BASIN WATER ASSOCIATION
08/04/2003ASW C 8,500        UMPQUA BASIN WATER ASSOCIATION


Annual Operating Period History
Population
Type
Avg Daily
Population
Start
Month
Start
Day
End
Month
End
Day
Effective
Begin Date
Effective
End Date
Residential949911123109/12/2025
Residential920011123111/09/202209/11/2025
Residential890011123108/29/201711/08/2022
Residential880011123112/21/201208/28/2017
Residential950011123106/26/200312/20/2012
Residential8500111231First Record06/25/2003