OHA Drinking Water Services
OR41
PWS ID: 94011 ---- LOST VALLEY EDUCATIONAL CENTER
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  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: 08/04/2010
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 06/01/2016 - 01/31/2018
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		2
0
0		1
1
0		1
0
0		1
0
0		1
0
0		2
0
0		1
1
0		2
0
0		2
0
0		2
0
0		2
2
0		2
2
0		19
6
0
Outcome/Determination:  Chronic Total Coliform

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2014 - 12/31/2014
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		0
-
-		0
-
-		0
-
-		1
0
0		1
0
0		1
1
0		1
0
0		1
1
0		1
1
0		6
6
4		0
-
-		13
9
4
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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SRC-AB:  WELL #3
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?: Yes   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 07/06/2017
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2010 - 07/31/2010
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
1
0		1
0
0		1
0
0		1
0
0		1
0
0		0
-
-		6
6
5		0
-
-		0
-
-		0
-
-		0
-
-		0
-
-		11
7
5
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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