OHA Drinking Water Services
OR41
PWS ID: 00842 ---- STANFIELD, CITY OF
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  WELL #3
GW, Active, Seasonal ---- Operating Period: Jun 1 - Oct 31
Disinfection:  RESID. MAINT. GAS CHLORINATION
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: 12/5/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 9/30/2012
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		0
-
-		 0
-
-		 0
-
-		 0
-
-		 1
0
0		 2
0
0		 2
0
0		 2
0
0		 2
0
0		 0
-
-		 0
-
-		 0
-
-		 9
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-BA:  WELL #4
GW, Active, Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, PRE ;  HYPOCHLORINATION, PRE ;  RESID. MAINT. GAS CHLORINATION
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: 12/5/2022
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-CA:  WELL #5
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  RESID. MAINT. GAS CHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: Moderate   Surface water within 500 feet: Yes
Construction adequate?: Yes   Surface water type: Lake/Pond
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 11/28/2022
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-CB:  WELL #6 (PILOT)
GW, Inactive, Emergency ---- Operating Period Unknown
Disinfection:  RESID. MAINT. GAS CHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 12/5/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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