OHA Drinking Water Services
OR41
PWS ID: 00833 ---- DEERHORN COMMUNITY WTR ASSN
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #1
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: 10/20/2023
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 5/1/2011 - 5/31/2012
 JanMarMarMayMayJulJulAugOctOctDecDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 1
0
0		 1
0
0		 1
0
0		 2
0
0		 1
0
0		 1
0
0		 1
0
0		 1
1
0		 1
0
0		 1
0
0		 1
0
0		 13
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AB:  WELL #2
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: 1/8/2024
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 5/1/2011 - 5/31/2012
 JanMarMarMayMayJulJulAugOctOctDecDecTotal
# Samples
TC+
E. coli+ 		1
1
0		 1
0
0		 1
0
0		 1
0
0		 2
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
1
0		 1
0
0		 1
0
0		 13
2
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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More information for this water system: SDWIS ID 3445
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