OHA Drinking Water Services
OR41
PWS ID: 91613 ---- HELVETIA TAVERN INC
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, PRE ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 03/30/2004
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2010 - 03/31/2011
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		2
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		13
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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