OHA Drinking Water Services
PWS ID:
00172 ---- CASCADE LOCKS, CITY OF
GW/GWUDI Source Detail
Non-purchased Groundwater/GWUDI Sources:
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SRC-AA: HERMAN CREEK WELL #1
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
No - Inappropriate Materials |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
05/14/2010 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed
Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2010 - 03/31/2011
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
# Samples
TC+
E. coli+ | 1 0
0 | 2 0
0 | 2 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 | 14 0
0 |
Outcome/Determination: Low Risk |
No historic GWUDI data were found.
SRC-AB: HERMAN CREEK WELL #2
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection: RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: |
High |
|
Surface water within 500 feet: |
Yes |
Construction adequate?: |
No - Inappropriate Materials |
|
Surface water type: |
Stream |
E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
05/14/2010 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed
Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 01/01/2010 - 03/31/2011
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
# 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.
SRC-AC: HERMAN CREEK WELL #3
GW, Active, Permanent ---- Operating Period Unknown
Disinfection: RESID. MAINT. HYPOCHLORINATION
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: |
|
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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