OHA Drinking Water Services
OR41
PWS ID: 00582 ---- OAKRIDGE, CITY OF
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #1
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Inappropriate Materials   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 2/13/2008
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 1
0
0		 2
0
0		 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		 13
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AB:  WELL #2
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
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: 2/13/2008
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 2/29/2012
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		4
2
0		 3
0
0		 1
0
0		 2
0
0		 2
0
0		 2
1
0		 2
0
0		 3
1
1		 6
3
1		 2
0
0		 2
0
0		 2
1
0		 31
8
2
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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SRC-AC:  WELL #4
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
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: 2/13/2008
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 0
-
-		 0
-
-		 2
0
0		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 10
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AE:  WELL #6
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
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: 2/13/2008
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 0
-
-		 1
1
0		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 8
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AD:  WELL #5
GW, Inactive (Disconnected), Other ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
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: 2/13/2008
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 10/1/2012
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-
Outcome/Determination:  N/A
No historic GWUDI data were found.
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