OHA Drinking Water Services
OR41
PWS ID: 00901 ---- TROUTDALE, CITY OF
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #2 (STARK)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No - Inappropriate Depth   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 09/17/2014
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-CA:  WELL #4 (CITY SHOP)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, PRE
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: 09/17/2014
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-DA:  WELL #6 (SWEETBRIAR)
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION, PRE
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: 09/17/2014
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-EA:  WELL #7 (SANDEE PALISADES)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No - Inappropriate Depth   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 09/17/2014
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-FA:  WELL #8 (SANDEE PALISADES)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No - Inappropriate Depth   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 09/17/2014
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-GA:  WELL #5
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
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: 05/15/2015
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 #3 (COLUMBIA)
GW, Inactive, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No - Inappropriate Depth   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 09/17/2014
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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