OHA Drinking Water Services
PWS ID:
93427 ---- COLUMBIA RIVER NITROGEN, LLC
GW/GWUDI Source Detail
Non-purchased Groundwater/GWUDI Sources:
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SRC-AB: WELL #2 (BLDG)
GW, Active, 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 - Seal Missing or Unknown |
|
Surface water type: |
Unknown |
| E. coli sources within 2-year time-of-travel: |
Yes |
|
Data last updated: |
11/13/2023 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed
Monthly Schedule (Closed):
1 sample(s) per month to be taken
beginning 7/1/2024
- 6/30/2025
| | Jan | Mar | Mar | May | May | Jul | Jul | Aug | Oct | Oct | Dec | 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-AA: WELL #1 (FIELD)
GW, Inactive (Disconnected), Other ---- Operating Period: Jan 1 - Dec 31
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: |
8/27/2015 |
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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More information for this water system:
SDWIS ID 3083
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