OHA Drinking Water Services
PWS ID:
00869 ---- THE DALLES, CITY OF
GW/GWUDI Source Detail
Non-purchased Groundwater/GWUDI Sources:
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SRC-BA: WELL #1 - LONE PINE
GW, Active, Seasonal ---- Operating Period Unknown
Disinfection: RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
| Aquifer sensitivity: |
Moderate |
|
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: |
04/22/2015 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 05/01/2009 - 10/31/2009
| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
# Samples
TC+
E. coli+ | 0
-
- | 0
-
- | 0
-
- | 0
-
- | 1
0
0 | 1
0
0 | 1
0
0 | 1
0
0 | 1
0
0 | 1
0
0 | 0
-
- | 0
-
- | 6
0
0 |
| Outcome/Determination: Low Risk |
No historic GWUDI data were found.
SRC-CA: WELL #2 - JORDAN ST
GW, Active, Seasonal ---- 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 - Seal Missing or Unknown |
|
Surface water type: |
Unknown |
| E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
04/23/2015 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed
Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 04/01/2009 - 09/30/2009
| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
# 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.
SRC-DA: WELL #3 - MARKS
GW, Active, Seasonal ---- 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 - Seal Missing or Unknown |
|
Surface water type: |
Unknown |
| E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
04/23/2015 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed
Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 04/01/2009 - 09/30/2009
| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
# 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.
SRC-EA: RIVERSIDE WELL #1
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.
SRC-EB: RIBERSIDE WELL #2
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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More information for this water system:
SDWIS ID 3916
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