OHA Drinking Water Services
OR41
PWS ID: 91810 ---- FERN RIDGE MIDDLE SCHOOL
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AB:  WELL #2
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  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: 8/15/2024
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Yes

Monthly Schedule (Open): 1 sample(s) per month to be taken beginning 7/1/2025 -
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 0
-
-		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 7
0
0
No historic GWUDI data were found.
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SRC-AA:  WELL OLD
GW, Inactive (Permanently Abandoned), Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: No - Inappropriate Materials   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 9/9/2008
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 11/30/2010
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
1
0		 0
-
-		 1
0
0		 2
2
0		 1
1
0		 1
0
0		 0
-
-		 1
0
0		 1
0
0		 1
1
1		 6
6
3		 0
-
-		 15
11
4
Outcome/Determination:  E. coli Confirmed
No historic GWUDI data were found.
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More information for this water system: SDWIS ID 1033
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