OHA Drinking Water Services
OR41
PWS ID: 05346 ---- ALSEA RIVIERA IMPROVEMENT DIST
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  SPRING
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: 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: 1/21/2015
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2015 - 8/31/2015
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		6
6
0		 1
1
0		 1
1
0		 1
1
0		 1
1
0		 1
1
0		 6
6
1		 6
6
2		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 23
23
3
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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More information for this water system: SDWIS ID 316
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