OHA Drinking Water Services
OR41
PWS ID: 91859 ---- SEA LION CAVES
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #1 (SOUTH)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  ULTRAVIOLET RADIATION ;  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: Moderate   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: 10/30/2003
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 3/1/2012 - 2/28/2013
 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		 0
-
-		 1
0
0		 1
1
0		 1
1
0		 1
0
0		 11
2
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AB:  WELL #2 (NORTH)
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  ULTRAVIOLET RADIATION ;  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: Moderate   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: 11/15/2012
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 3/1/2012 - 2/28/2013
 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		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 11
0
0
Outcome/Determination:  Low Risk

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 5/31/2011
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 1
0
0		 0
-
-		 0
-
-		 0
-
-		 1
0
0
Outcome/Determination:  N/A
No historic GWUDI data were found.
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