Public water system · OR4190178
ActiveUsace Mcnary Dam
Non-transient non-community water system in Umatilla County, Washington, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
6
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | 03 | 1040 | No | Archived |
| 2023-09-01 | 19 | 3028 | No | Resolved |
| 2023-09-01 | 19 | 3028 | No | Resolved |
| 2023-07-01 | 19 | 3028 | No | Resolved |
| 2023-07-01 | 19 | 3028 | No | Resolved |
| 2015-11-03 | 34 | 3014 | No | Resolved |
| 2015-10-01 | 22 | 3100 | Yes | Resolved |
| 2014-10-01 | 03 | 2306 | No | Resolved |
| 2006-01-01 | 03 | 1040 | No | Resolved |
| 2006-01-01 | 23 | 3100 | No | Resolved |
| 2005-01-01 | 03 | 2040 | No | Resolved |
| 2005-01-01 | 03 | 2034 | No | Resolved |
Usace Mcnary Dam: frequently asked questions
Is Usace Mcnary Dam's water safe to drink?
Usace Mcnary Dam is an active non-transient non-community water system regulated under the Safe Drinking Water Act, overseen by the OR state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Usace Mcnary Dam?
Usace Mcnary Dam (PWSID OR4190178) is a federal government-owned non-transient non-community water system, regulated by the OR state drinking water program.
How many people does Usace Mcnary Dam serve?
Usace Mcnary Dam reports serving 120 people through 6 service connections in Umatilla County, Washington.
Where does Usace Mcnary Dam get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Umatilla County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hermiston, City of | Umatilla | 20,000 | Community | Surface water |
| Pendleton, City of | Umatilla | 16,996 | Community | Groundwater |
| Umatilla, City of | Umatilla | 8,256 | Community | Groundwater |
| Milton-Freewater, City of | Umatilla | 7,145 | Community | Groundwater |
| Stanfield, City of | Umatilla | 2,115 | Community | Groundwater |
| Pilot Rock, City of | Umatilla | 1,326 | Community | Groundwater |