OHA Drinking Water Services
OR41
PWS ID: 94571 ---- AREA 61
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AD:  WELL (UNAPPROVED)
GW, Active, Permanent ---- Operating Period Unknown
Disinfection: None
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: 7/2/2024
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-AA:  WELL
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Missing or Unknown   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 1/3/2019
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 2/17/2012
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 1
1
1		 5
5
0		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 6
6
1
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AB:  WELL
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection: None
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: 2/23/2012
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 3/1/2012 - 4/30/2014
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 0
-
-		 1
0
0		 2
0
0		 1
0
0		 1
0
0		 1
0
0		 1
1
0		 2
0
0		 1
0
0		 0
-
-		 1
0
0		 12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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More information for this water system: SDWIS ID 2272
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