OHA Drinking Water Services
OR41
PWS ID: 94200 ---- COE DALLES/JD-THE DALLES DAM
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #1 (IN WASHINGTON STATE)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
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: 08/11/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-CA:  WELL #3
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
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: 08/11/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-BA:  WELL #2 (IN WASHINGTON STATE)
GW, Inactive, Emergency ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Missing or Unknown   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 08/11/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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More information for this water system: SDWIS ID 1640
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