OHA Drinking Water Services
OR41
PWS ID: 00002 ---- ADRIAN, CITY OF
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AF:  WELL #6
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
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: 8/21/2020
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 7/1/2019 - 7/31/2020
 JanMarMarMayMayJulJulAugOctOctDecDecTotal
# 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
1
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-AA:  WELL #4
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Not Constructed Properly   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 8/21/2020
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 1/31/2012
 JanMarMarMayMayJulJulAugOctOctDecDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 2
0
0		 1
0
0		 1
0
0		 2
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 #3
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Not Constructed Properly   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 3/30/2004
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:  WELL #2
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Not Constructed Properly   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 3/30/2004
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 1/31/2012
 JanMarMarMayMayJulJulAugOctOctDecDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 1
0
0		 1
0
0		 0
-
-		 0
-
-		 1
0
0		 1
0
0		 1
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-AD:  WELL #1 DISCONNECTED
GW, Inactive (Disconnected), Other ---- Operating Period Unknown
Disinfection: None
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: 8/22/2006
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-AE:  WELL #5 DISCONNECTED
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: No
Construction adequate?: Yes   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 7/24/2009
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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