OHA Drinking Water Services
OR41
PWS ID: 01183 ---- ALPINE TERRACE
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  DUG WELL
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Missing or Unknown   Surface water type: Lake/Pond
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 6/27/2025
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 7/1/2024 - 6/30/2025
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 2
2
0		 1
1
0		 7
7
2		 5
0
0		 1
0
0		 1
0
0		 23
10
2
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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