OHA Drinking Water Services
OR41
PWS ID: 00079 ---- BAY CITY WATER SYSTEM
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AA:  1975 WELL #1
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON;  HYPOCHLORINATION, POST
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Not Constructed Properly   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 1/11/2024
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 5/1/2011 - 1/31/2012
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
1
1		 0
-
-		 0
-
-		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 8
1
1
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AB:  1980 WELL #2
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON;  HYPOCHLORINATION, POST
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Not Constructed Properly   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 1/11/2024
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Complete

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 5/1/2011 - 1/31/2012
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
1
1		 0
-
-		 0
-
-		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 0
-
-		 1
1
0		 1
0
0		 1
0
0		 1
0
0		 8
2
1
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AC:  2023 WELL #3
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  GWR 4-LOG VIRUS COMPLIANCE MON;  HYPOCHLORINATION, POST
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: 2/2/2024
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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