OHA Drinking Water Services
OR41
PWS ID: 94886 ---- OPRD CASCARA CAMPGROUND
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AB:  WELL #2
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION - ARSENIC ;  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: High   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: 11/10/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 12/01/2021 - 09/30/2022
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+		0
-
-		0
-
-		0
-
-		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		1
0
0		0
-
-		0
-
-		0
-
-		6
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
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SRC-AA:  WELL #1
GW, Inactive, Other ---- Operating Period: May 1 - Sep 30
Disinfection:  HYPOCHLORINATION - ARSENIC ;  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Inappropriate Depth   Surface water type: Lake/Pond
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 05/24/2016
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.

Historic GWUDI Monitoring Data
Sample Date Result
09/30/2007 Absent
08/31/2007 Absent
07/31/2007 Absent
06/30/2007 Absent
05/31/2007 TC+
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