OHA Drinking Water Services
OR41
PWS ID: 00951 ---- WAUNA WATER DISTRICT
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  PETERSON SPRING
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?: Yes   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 01/22/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2020 - 04/30/2021
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
1
0		1
0
0		1
1
0		1
0
0		0
-
-		1
1
0		1
1
0		1
0
0		1
1
0		1
1
0		1
1
0		1
1
0		11
8
0
Outcome/Determination:  Chronic Total Coliform
No historic GWUDI data were found.
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SRC-AB:  NORTH (LOWER) KNAPP SPRING
GW, Active, Seasonal ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
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: 01/22/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-AC:  SOUTH (UPPER) KNAPP SPRING
GW, Active, Seasonal ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
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: 01/22/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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More information for this water system: SDWIS ID 3806
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