OHA Drinking Water Services
OR41
PWS ID: 94551 ---- SILVER INN
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AB:  WELL #2
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  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: 4/29/2025
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 #1 ABANDONED
GW, Inactive (Permanently Abandoned), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection:  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No - Seal Missing or Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 3/18/2024
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 7/1/2024 - 4/16/2025
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
1
0		 1
1
0		 1
0
0		 1
0
0		 0
-
-		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 7
7
5		 1
1
0		 16
10
5
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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