OHA Drinking Water Services
OR41
PWS ID: 91511 ---- SHADY COVE MIDDLE SD #9
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #1 (MAIN BLDG.,)
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Inappropriate Depth   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 3/2/2017
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010
 JanMarMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 1
0
0		 9
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-BA:  WELL #3 UPPER BLDG
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: Unknown - Seal Missing or Unknown   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 3/6/2009
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010
 JanMarMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 2
0
0		 1
0
0		 10
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AB:  WELL #2 (ROOM 10/LAWNS)
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: Unknown - Seal Missing or Unknown   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 10/7/2004
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010
 JanMarMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 1
1
0		 1
0
0		 1
0
0		 0
-
-		 0
-
-		 1
1
0		 8
2
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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