OHA Drinking Water Services
OR41
PWS ID: 00318 ---- GEARHART WATER DEPARTMENT
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-DA:  PW-01
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		12
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-DC:  PW-03
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
1
0		1
1
0		1
1
0		1
1
0		1
0
0		1
0
0		12
4
0
Outcome/Determination:  Chronic Total Coliform
No historic GWUDI data were found.
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SRC-DE:  PW-05
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		12
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-DG:  PW-07
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		12
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-DI:  PW-09
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
1
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-DK:  PW-11
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
1
0		1
0
0		1
0
0		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-DM:  PW-13
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
1
0		1
0
0		1
0
0		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-DN:  PW-14
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 02/09/2022
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 07/01/2022 - 06/30/2023
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
1
0		1
0
0		1
0
0		1
0
0		1
0
0		12
1
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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