OHA Drinking Water Services
PWS ID:
00657 ---- PORTLAND WATER BUREAU
GW/GWUDI Source Detail
Non-purchased Groundwater/GWUDI Sources:
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SRC-BA: SAND&GRAVEL AQ (SGA) - WELL #1
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
No - Seal Not Constructed Properly |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BB: SGA WELL #2
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/16/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BC: SGA WELL #4
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BD: SGA WELL #6
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
08/12/2021 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BE: SGA WELL #7
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
08/12/2021 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BF: SGA WELL #8
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
No - Seal Not Constructed Properly |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BG: SGA WELL #9
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
No - Inappropriate Depth |
|
Surface water type: |
Lagoon |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BH: SGA WELL #11
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BI: SGA WELL #14
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
No - Seal Missing or Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/16/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BJ: SGA WELL #16
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
05/29/2024 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BK: SGA WELL #35
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
08/12/2021 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BL: SGA WELL #36
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BM: SGA WELL #37
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BN: SGA WELL #34
GW, Active, Seasonal ---- Operating Period Unknown
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-BO: SGA WELL #38
GW, Active, Seasonal ---- Operating Period Unknown
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
04/25/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CA: TROUTDALE SANDSTONE AQ WELL #3
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CB: TSA WELL #5
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CC: TSA WELL #10
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CD: TSA WELL #15
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CE: TSA WELL #26
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CF: TSA WELL #29
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
Yes |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-CG: TSA WELL #28
GW, Active, Seasonal ---- Operating Period Unknown
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-DA: BLUE LAKE AQ (BLA) - WELL #12
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-DB: BLA WELL #13
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-DC: BLA WELL #17
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
08/12/2021 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-DD: BLA WELL #18
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/25/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-DE: BLA WELL #19
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Moderate |
|
Surface water within 500 feet: |
No |
Construction adequate?: |
Yes |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
04/15/2019 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-EA: COL R. SANDS (CRSA) - WELL #32
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
10/11/2001 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-FA: TROUTDALE GRAVEL AQ (TGA)- WELL #1
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-FB: TGA WELL #2
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-FC: TGA WELL #3
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. CHLORAMINES
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-GA: GILBERT WELL #4
GW, Inactive (Permanently Abandoned), Other ---- Operating Period Unknown
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-GB: GILBERT WELL #3
GW, Inactive (Permanently Abandoned), Other ---- Operating Period Unknown
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-HA: VIVIAN WELL #6
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-HB: VIVIAN WELL #7
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-HC: VIVIAN WELL #8
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
SRC-HD: VIVIAN WELL #9
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: |
Unknown |
|
Surface water within 500 feet: |
Unknown |
Construction adequate?: |
Unknown |
|
Surface water type: |
Unknown |
E. coli sources within 2-year time-of-travel: |
Unknown |
|
Data last updated: |
03/02/2006 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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