OHA Drinking Water Services
OR41
PWS ID: 00724 ---- ST HELENS, CITY OF
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AB:  (SOUTH) #2 RANNEY COLLECTOR
GU, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
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: 10/05/2018
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-AC:  #3 RANNEY COLLECTOR
GU, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
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: Yes   Data last updated: 10/05/2018
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-AA:  (NORTH) #1 RANNEY COLLECTOR
GU, Inactive, Emergency ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
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: Yes   Data last updated: 10/05/2018
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-BA:  BAYPORT WELL
GW, Inactive, Emergency ---- 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: 10/05/2018
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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