OHA Drinking Water Services
Groundwater/GWUDI Source Detail for PWS 00513 ---- MEDFORD WATER COMMISSION

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SRC-AA:  1927 INTAKE
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 07/26/2010
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 12/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
1
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		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AH:  UNNAMED SPRING
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated:
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-CA:  EAST INTAKE
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?: Unknown   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 06/10/2015
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 12/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
1
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		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-CC:  SPRING #1
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 05/24/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 12/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
1
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		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-CD:  SPRING #2
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 05/24/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 12/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		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		1
0
0		1
0
0		1
0
0		12
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-CE:  SPRING #3
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 05/24/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 12/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
1
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		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-CF:  SPRING #4
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 05/24/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 12/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		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		1
0
0		1
0
0		1
0
0		12
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-CB:  RANCHERIA IG
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 08/11/2016
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2016 - 08/31/2016
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
1
0		1
0
0		1
1
0		1
1
0		1
1
0		1
1
0		1
1
0		6
6
2		0
-
-		0
-
-		0
-
-		0
-
-		13
12
2
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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SRC-CG:  UNNAMED SPRING
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated:
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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