OHA Drinking Water Services
OR41
PWS ID: 00203 ---- COLUMBIA CITY MUN WATERWORKS
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-CA:  WELL #2
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON;  HYPOCHLORINATION, POST
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: 06/20/2013
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-CB:  WELL #1
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON;  HYPOCHLORINATION, POST
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: 06/20/2013
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 4031
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